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ahmedshaabansolimanahmedshaabansoliman
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Initial project upload
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‎.gitattributes‎

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# Auto detect text files and perform LF normalization
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* text=auto
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# Custom for Visual Studio
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*.cs diff=csharp
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# Standard to msysgit
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*.doc diff=astextplain
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*.DOC diff=astextplain
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*.docx diff=astextplain
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*.DOCX diff=astextplain
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*.dot diff=astextplain
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*.DOT diff=astextplain
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*.pdf diff=astextplain
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*.PDF diff=astextplain
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*.rtf diff=astextplain
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*.RTF diff=astextplain

‎CodeLab.Assets.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.26430.15
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EFUpdateWrapper", "EFUpdateWrapper\EFUpdateWrapper.csproj", "{FEB70436-681B-4376-AE7C-75CB22FFB547}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UpdateWrapperTest", "UpdateWrapperTest\UpdateWrapperTest.csproj", "{86181326-FCE6-4AD5-83D6-757CF2495A31}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EFDefaultUpdate", "EFDefaultUpdate\EFDefaultUpdate.csproj", "{09A6EEDA-57E6-483C-ACAA-CE05A9AB0B75}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{FEB70436-681B-4376-AE7C-75CB22FFB547}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{FEB70436-681B-4376-AE7C-75CB22FFB547}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{FEB70436-681B-4376-AE7C-75CB22FFB547}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{FEB70436-681B-4376-AE7C-75CB22FFB547}.Release|Any CPU.Build.0 = Release|Any CPU
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{86181326-FCE6-4AD5-83D6-757CF2495A31}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{86181326-FCE6-4AD5-83D6-757CF2495A31}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{86181326-FCE6-4AD5-83D6-757CF2495A31}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{86181326-FCE6-4AD5-83D6-757CF2495A31}.Release|Any CPU.Build.0 = Release|Any CPU
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{09A6EEDA-57E6-483C-ACAA-CE05A9AB0B75}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{09A6EEDA-57E6-483C-ACAA-CE05A9AB0B75}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{09A6EEDA-57E6-483C-ACAA-CE05A9AB0B75}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{09A6EEDA-57E6-483C-ACAA-CE05A9AB0B75}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

‎EFDefaultUpdate/App.config‎

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<?xml version="1.0" encoding="utf-8"?>
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<configuration>
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<configSections>
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<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
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<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
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</configSections>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
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</startup>
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<connectionStrings>
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<add name="BookLibraryEntities" connectionString="metadata=res://*/Model1.csdl|res://*/Model1.ssdl|res://*/Model1.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=.\sqldev16;initial catalog=BookLibrary;persist security info=True;user id=sa;password=123456280;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />
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</connectionStrings>
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<entityFramework>
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<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
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<parameters>
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<parameter value="mssqllocaldb" />
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</parameters>
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</defaultConnectionFactory>
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<providers>
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<provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
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</providers>
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</entityFramework>
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</configuration>

‎EFDefaultUpdate/Book.cs‎

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//------------------------------------------------------------------------------
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// <auto-generated>
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// This code was generated from a template.
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//
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// Manual changes to this file may cause unexpected behavior in your application.
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// Manual changes to this file will be overwritten if the code is regenerated.
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// </auto-generated>
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//------------------------------------------------------------------------------
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namespace EFDefaultUpdate
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{
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using System;
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using System.Collections.Generic;
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public partial class Book
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{
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public int ID { get; set; }
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public string Name { get; set; }
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public string Author { get; set; }
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public int Category { get; set; }
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public virtual BookCategory BookCategory { get; set; }
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}
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}

‎EFDefaultUpdate/BookCategory.cs‎

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//------------------------------------------------------------------------------
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// <auto-generated>
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// This code was generated from a template.
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//
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// Manual changes to this file may cause unexpected behavior in your application.
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// Manual changes to this file will be overwritten if the code is regenerated.
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// </auto-generated>
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//------------------------------------------------------------------------------
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namespace EFDefaultUpdate
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{
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using System;
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using System.Collections.Generic;
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public partial class BookCategory
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{
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
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public BookCategory()
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{
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this.Books = new HashSet<Book>();
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}
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public int ID { get; set; }
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public string Name { get; set; }
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
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public virtual ICollection<Book> Books { get; set; }
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}
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}

‎EFDefaultUpdate/EFDefaultUpdate.csproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{09A6EEDA-57E6-483C-ACAA-CE05A9AB0B75}</ProjectGuid>
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<OutputType>WinExe</OutputType>
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<RootNamespace>EFDefaultUpdate</RootNamespace>
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<AssemblyName>EFDefaultUpdate</AssemblyName>
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<TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
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<HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.dll</HintPath>
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</Reference>
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<Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
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<HintPath>..\packages\EntityFramework.6.1.3\lib\net45\EntityFramework.SqlServer.dll</HintPath>
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.ComponentModel.DataAnnotations" />
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<Reference Include="System.Core" />
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<Reference Include="System.Runtime.Serialization" />
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<Reference Include="System.Security" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Deployment" />
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<Reference Include="System.Drawing" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Windows.Forms" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Book.cs">
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<DependentUpon>Model1.tt</DependentUpon>
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</Compile>
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<Compile Include="BookCategory.cs">
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<DependentUpon>Model1.tt</DependentUpon>
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</Compile>
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<Compile Include="Form1.cs">
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<SubType>Form</SubType>
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</Compile>
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<Compile Include="Form1.Designer.cs">
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<DependentUpon>Form1.cs</DependentUpon>
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</Compile>
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<Compile Include="Model1.Context.cs">
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<AutoGen>True</AutoGen>
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<DesignTime>True</DesignTime>
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<DependentUpon>Model1.Context.tt</DependentUpon>
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</Compile>
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<Compile Include="Model1.cs">
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<AutoGen>True</AutoGen>
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<DesignTime>True</DesignTime>
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<DependentUpon>Model1.tt</DependentUpon>
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</Compile>
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<Compile Include="Model1.Designer.cs">
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<AutoGen>True</AutoGen>
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<DesignTime>True</DesignTime>
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<DependentUpon>Model1.edmx</DependentUpon>
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</Compile>
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<EmbeddedResource Include="Form1.resx">
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<DependentUpon>Form1.cs</DependentUpon>
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</EmbeddedResource>
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<EmbeddedResource Include="Properties\Resources.resx">
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<Generator>ResXFileCodeGenerator</Generator>
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<LastGenOutput>Resources.Designer.cs</LastGenOutput>
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<SubType>Designer</SubType>
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</EmbeddedResource>
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<Compile Include="Properties\Resources.Designer.cs">
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<AutoGen>True</AutoGen>
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<DependentUpon>Resources.resx</DependentUpon>
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</Compile>
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<EntityDeploy Include="Model1.edmx">
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<Generator>EntityModelCodeGenerator</Generator>
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<LastGenOutput>Model1.Designer.cs</LastGenOutput>
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</EntityDeploy>
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<None Include="Model1.edmx.diagram">
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<DependentUpon>Model1.edmx</DependentUpon>
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</None>
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<None Include="packages.config" />
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<None Include="Properties\Settings.settings">
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<Generator>SettingsSingleFileGenerator</Generator>
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<LastGenOutput>Settings.Designer.cs</LastGenOutput>
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</None>
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<Compile Include="Properties\Settings.Designer.cs">
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<AutoGen>True</AutoGen>
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<DependentUpon>Settings.settings</DependentUpon>
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<DesignTimeSharedInput>True</DesignTimeSharedInput>
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</Compile>
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</ItemGroup>
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<ItemGroup>
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<None Include="App.config" />
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</ItemGroup>
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<ItemGroup>
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<Content Include="Model1.Context.tt">
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<Generator>TextTemplatingFileGenerator</Generator>
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<LastGenOutput>Model1.Context.cs</LastGenOutput>
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<DependentUpon>Model1.edmx</DependentUpon>
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</Content>
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<Content Include="Model1.tt">
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<Generator>TextTemplatingFileGenerator</Generator>
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<DependentUpon>Model1.edmx</DependentUpon>
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<LastGenOutput>Model1.cs</LastGenOutput>
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</Content>
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</ItemGroup>
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<ItemGroup>
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<Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>

‎EFDefaultUpdate/Form1.Designer.cs‎

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‎EFDefaultUpdate/Form1.cs‎

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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace EFDefaultUpdate
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{
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public partial class Form1 : Form
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{
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public Form1()
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{
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InitializeComponent();
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}
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private void button1_Click(object sender, EventArgs e)
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{
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BookLibraryEntities ctx = new BookLibraryEntities();
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Book b = ctx.Books.First(bk => bk.ID == 1);
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b.Author = "My Updated Author";
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ctx.SaveChanges();
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//=========================
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}
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private void button2_Click(object sender, EventArgs e)
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{
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try
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{
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BookLibraryEntities ctx = new BookLibraryEntities();
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Book b = new Book();
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b.ID = 1;
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ctx.Books.Attach(b);
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b.Author = "My Updated Author2";
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ctx.SaveChanges();
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}
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catch (System.Data.Entity.Validation.DbEntityValidationException ex)
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{
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}
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}
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}
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}

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