"use strict"; const {Fragment: _Fragment, jsx: _jsx, jsxs: _jsxs} = arguments[0]; const {useMDXComponents: _provideComponents} = arguments[0]; function _createMdxContent(props) { const _components = { code: "code", p: "p", pre: "pre", span: "span", ..._provideComponents(), ...props.components }; return _jsxs(_Fragment, { children: [_jsx(_components.p, { children: "Entity Framework is an object-relational mapper (O/RM) that enables .NET developers to work with a database using .NET objects. It eliminates the need for most of the data-access code that developers usually need to write.” Entity Framework is an open-source ORM framework for .NET applications supported by Microsoft. Architects and developers of data-oriented applications have typically struggled with the need to achieve two very different objectives." }), "\n", _jsx(_components.p, { children: "Create one Window form application" }), "\n", _jsx(_components.p, { children: "Create the form as below." }), "\n", _jsx("img", { className: "w-4/5", src: "https://res.cloudinary.com/djfqidbj1/image/upload/v1704618399/qdvsrtpqgpffzlwtu08i.jpg", alt: "onurtaskiran" }), "\n", _jsx(_components.p, { children: "Let's create our product object" }), "\n", _jsx(_components.p, { children: "Product.cs" }), "\n", _jsx(_components.pre, { className: "language-javascript", children: _jsxs(_components.code, { className: "language-javascript", children: ["namespace ", _jsx(_components.span, { className: "token maybe-class-name", children: "EntityFrameworkExample" }), "\n", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " ", _jsx(_components.span, { className: "token keyword", children: "class" }), " ", _jsx(_components.span, { className: "token class-name", children: "Product" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " int ", _jsx(_components.span, { className: "token maybe-class-name", children: "Id" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " get", _jsx(_components.span, { className: "token punctuation", children: ";" }), " set", _jsx(_components.span, { className: "token punctuation", children: ";" }), " ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " string ", _jsx(_components.span, { className: "token maybe-class-name", children: "Name" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " get", _jsx(_components.span, { className: "token punctuation", children: ";" }), " set", _jsx(_components.span, { className: "token punctuation", children: ";" }), " ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " decimal ", _jsx(_components.span, { className: "token maybe-class-name", children: "UnitPrice" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " get", _jsx(_components.span, { className: "token punctuation", children: ";" }), " set", _jsx(_components.span, { className: "token punctuation", children: ";" }), " ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " int ", _jsx(_components.span, { className: "token maybe-class-name", children: "StockAmount" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " get", _jsx(_components.span, { className: "token punctuation", children: ";" }), " set", _jsx(_components.span, { className: "token punctuation", children: ";" }), " ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }) }), "\n", _jsx(_components.p, { children: "Now, in this step, we will install entity framework. So, go to nuget package manager and then install theentity framework as you do see below in the screenshot." }), "\n", _jsx("img", { className: "w-4/5", src: "https://res.cloudinary.com/djfqidbj1/image/upload/v1704618400/zyqppasaoww0ynyy96ww.jpg", alt: "onurtaskiran" }), "\n", _jsx(_components.p, { children: "Create the CompanyContext class as follows" }), "\n", _jsx(_components.p, { children: "CompanyContext.cs" }), "\n", _jsx(_components.pre, { className: "language-javascript", children: _jsxs(_components.code, { className: "language-javascript", children: ["using ", _jsx(_components.span, { className: "token maybe-class-name", children: "System" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Data" }) }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Entity" }) }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n\nnamespace ", _jsx(_components.span, { className: "token maybe-class-name", children: "EntityFrameworkExample" }), "\n", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " ", _jsx(_components.span, { className: "token keyword", children: "class" }), " ", _jsx(_components.span, { className: "token class-name", children: "CompanyContext" }), " ", _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "DbContext" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "DbSet" }), _jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token maybe-class-name", children: "Product" }), _jsx(_components.span, { className: "token operator", children: ">" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "Products" }), " ", _jsx(_components.span, { className: "token punctuation", children: "{" }), " get", _jsx(_components.span, { className: "token punctuation", children: ";" }), " set", _jsx(_components.span, { className: "token punctuation", children: ";" }), " ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n"] }) }), "\n", _jsx(_components.p, { children: "Form1.cs" }), "\n", _jsx(_components.pre, { className: "language-javascript", children: _jsxs(_components.code, { className: "language-javascript", children: ["using ", _jsx(_components.span, { className: "token maybe-class-name", children: "System" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\nusing ", _jsx(_components.span, { className: "token maybe-class-name", children: "System" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Windows" }) }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Forms" }) }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n\nnamespace ", _jsx(_components.span, { className: "token maybe-class-name", children: "EntityFrameworkExample" }), "\n", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " partial ", _jsx(_components.span, { className: "token keyword", children: "class" }), " ", _jsx(_components.span, { className: "token class-name", children: "Form1" }), " ", _jsx(_components.span, { className: "token operator", children: ":" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "Form" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Form1" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "InitializeComponent" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "private" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: "dgwProducts_CellContentClick" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsxs(_components.span, { className: "token parameter", children: ["object sender", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "DataGridViewCellEventArgs" }), " e"] }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "ProductCon" }), " _productCon", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "ProductCon" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "private" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Form1_Load" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsxs(_components.span, { className: "token parameter", children: ["object sender", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "EventArgs" }), " e"] }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "LoadProducts" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "private" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "LoadProducts" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n dgwProducts", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "DataSource" }) }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " _productCon", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "GetAll" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "private" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "SearchProducts" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token parameter", children: "string key" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token comment", children: "// var result = _productCon.GetAll().Where(p => p.Name.Contains(key)).ToList();" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "var" }), " result ", _jsx(_components.span, { className: "token operator", children: "=" }), " _productCon", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "GetByName" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "key", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n dgwProducts", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "DataSource" }) }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " result", _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "private" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: "btnAdd_Click" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsxs(_components.span, { className: "token parameter", children: ["object sender", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "EventArgs" }), " e"] }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n _productCon", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Add" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Product" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "Name" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " tbxName", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Text" }) }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "UnitPrice" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "Convert" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "ToDecimal" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "tbxUnitPrice", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Text" }) }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "StockAmount" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "Convert" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "ToInt32" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "tbxStockAmount", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Text" }) }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "LoadProducts" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "MessageBox" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Show" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token string", children: "\"Added!\"" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "private" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: "btnUpdate_Click" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsxs(_components.span, { className: "token parameter", children: ["object sender", _jsx(_components.span, { className: "token punctuation", children: "," }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "EventArgs" }), " e"] }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n _productCon", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Update" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "Product" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "Id" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "Convert" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "ToInt32" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "dgwProducts", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "CurrentRow" }) }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Cells" }) }), _jsx(_components.span, { className: "token punctuation", children: "[" }), _jsx(_components.span, { className: "token number", children: "0" }), _jsx(_components.span, { className: "token punctuation", children: "]" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Value" }) }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "Name" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " tbxNameUpdate", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Text" }) }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "UnitPrice" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "Convert" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "ToDecimal" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "tbxUnitPriceUpdate", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Text" }) }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: "," }), "\n ", _jsx(_components.span, { className: "token maybe-class-name", children: "StockAmount" }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "Convert" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "ToInt32" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "tbxStockAmountUpdate", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Text" }) }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "LoadProducts" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: 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_jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Where" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token parameter", children: "p" }), " ", _jsx(_components.span, { className: "token arrow operator", children: "=>" }), " p", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Name" }) }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Contains" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "key", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "ToList" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Add" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsxs(_components.span, { className: "token parameter", children: [_jsx(_components.span, { className: "token maybe-class-name", children: "Product" }), " product"] }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token function", children: "using" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token maybe-class-name", children: "CompanyContext" }), " context ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "CompanyContext" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token comment", children: "// context.Products.Add(product);" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "var" }), " entity ", _jsx(_components.span, { className: "token operator", children: "=" }), " context", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Entry" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "product", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n entity", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "State" }) }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "EntityState" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Added" }) }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n context", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "SaveChanges" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Update" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsxs(_components.span, { className: "token parameter", children: [_jsx(_components.span, { className: "token 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"token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "var" }), " entity ", _jsx(_components.span, { className: "token operator", children: "=" }), " context", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Entry" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "product", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n entity", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "State" }) }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "EntityState" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Modified" }) }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n context", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "SaveChanges" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n ", _jsx(_components.span, { className: "token keyword", children: "public" }), " ", _jsx(_components.span, { className: "token keyword", children: "void" }), " ", _jsx(_components.span, { className: "token function", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Delete" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsxs(_components.span, { className: "token parameter", children: [_jsx(_components.span, { className: "token maybe-class-name", children: "Product" }), " product"] }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token function", children: "using" }), " ", _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token maybe-class-name", children: "CompanyContext" }), " context ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token keyword", children: "new" }), " ", _jsx(_components.span, { className: "token class-name", children: "CompanyContext" }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "{" }), "\n ", _jsx(_components.span, { className: "token keyword", children: "var" }), " entity ", _jsx(_components.span, { className: "token operator", children: "=" }), " context", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Entry" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), "product", _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n entity", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "State" }) }), " ", _jsx(_components.span, { className: "token operator", children: "=" }), " ", _jsx(_components.span, { className: "token maybe-class-name", children: "EntityState" }), _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "Deleted" }) }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n context", _jsx(_components.span, { className: "token punctuation", children: "." }), _jsx(_components.span, { className: "token method function property-access", children: _jsx(_components.span, { className: "token maybe-class-name", children: "SaveChanges" }) }), _jsx(_components.span, { className: "token punctuation", children: "(" }), _jsx(_components.span, { className: "token punctuation", children: ")" }), _jsx(_components.span, { className: "token punctuation", children: ";" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n ", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n", _jsx(_components.span, { className: "token punctuation", children: "}" }), "\n\n"] }) }), "\n", _jsx(_components.p, { children: "App.config" }), "\n", _jsx(_components.pre, { className: "language-javascript", children: _jsxs(_components.code, { className: "language-javascript", children: [_jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token operator", children: "?" }), "xml version", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"1.0\"" }), " encoding", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"utf-8\"" }), _jsx(_components.span, { className: "token operator", children: "?" }), _jsx(_components.span, { className: "token operator", children: ">" }), "\n", _jsx(_components.span, { className: "token operator", children: "<" }), "configuration", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "configSections", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "section name", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"entityFramework\"" }), "\n type", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\"" }), "\n requirePermission", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"false\"" }), _jsx(_components.span, { className: "token operator", children: "/" }), _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token operator", children: "/" }), "configSections", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "connectionStrings", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "add name", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"CompanyContext\"" }), " connectionString", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"server=(localdb)\\mssqllocaldb;initial catalog=Company;integrated security=true\"" }), "\n providerName", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"System.Data.SqlClient\"" }), _jsx(_components.span, { className: "token operator", children: "/" }), _jsx(_components.span, { className: "token operator", children: ">" }), "\n\n ", _jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token operator", children: "/" }), "connectionStrings", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "startup", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "supportedRuntime version", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"v4.0\"" }), " sku", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\".NETFramework,Version=v4.7.2\"" }), _jsx(_components.span, { className: "token operator", children: "/" }), _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token operator", children: "/" }), "startup", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "entityFramework", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "providers", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), "provider invariantName", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"System.Data.SqlClient\"" }), " type", _jsx(_components.span, { className: "token operator", children: "=" }), _jsx(_components.span, { className: "token string", children: "\"System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer\"" }), _jsx(_components.span, { className: "token operator", children: "/" }), _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token operator", children: "/" }), "providers", _jsx(_components.span, { className: "token operator", children: ">" }), "\n ", _jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token operator", children: "/" }), "entityFramework", _jsx(_components.span, { className: "token operator", children: ">" }), "\n", _jsx(_components.span, { className: "token operator", children: "<" }), _jsx(_components.span, { className: "token operator", children: "/" }), "configuration", _jsx(_components.span, { className: "token operator", children: ">" }), "\n"] }) })] }); } function MDXContent(props = {}) { const {wrapper: MDXLayout} = { ..._provideComponents(), ...props.components }; return MDXLayout ? _jsx(MDXLayout, { ...props, children: _jsx(_createMdxContent, { ...props }) }) : _createMdxContent(props); } return { default: MDXContent };