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A Random Walk Through of the LightSwitch Data Model

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10 Sep 2011Ms-PL4 min read 41.5K   563   22  
We will create a Silverlight Custom Control called “LightSwitch Explorer” that will display information about the collections of the screen that it is displayed on, raise methods, and switch screens.
  • LightSwitchExplorer.zip
    • LightSwitchExplorer.sln
    • LightSwitchExplorer
      • _Pvt_Extensions
        • Microsoft.LightSwitch.Extensions
          • Client
            • DebugOnlyRef
              • Microsoft.LightSwitch.Extensions.Design.Client.dll
          • ClientGen
            • Reference
              • ar
                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
              • Microsoft.LightSwitch.Extensions.Client.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
              • pt-BR
                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
              • ro
                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
              • sr-Latn-CS
                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
              • sv
                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
              • zh-Hans
                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
              • zh-Hant
                • Microsoft.LightSwitch.Extensions.Client.Resources.dll
          • IDE
            • Reference
              • de
                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
              • es
                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
              • Microsoft.LightSwitch.Extensions.Design.dll
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                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
              • zh-Hans
                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
              • zh-Hant
                • Microsoft.LightSwitch.Extensions.Design.Resources.dll
          • LsPkgLastWriteTime.txt
          • ServerGen
            • Reference
              • ar
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • bg
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • ca
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • Microsoft.LightSwitch.Extensions.Server.dll
              • ms
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
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                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • pt
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • pt-BR
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • ro
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • ru
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • sk
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • sl
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • sr-Cyrl-CS
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • sr-Latn-CS
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • sv
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • th
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • tr
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • uk
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • vi
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • zh-Hans
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
              • zh-Hant
                • Microsoft.LightSwitch.Extensions.Server.Resources.dll
      • app.config
      • Bin
        • Data
          • ApplicationDatabase.mdf
          • ApplicationDatabase_log.ldf
          • Temp
        • Debug
          • bin
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            • cs
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            • he
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            • Microsoft.LightSwitch.Design.Server.Internal.dll
            • ms
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            • pt
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            • sr-Cyrl-CS
            • sr-Latn-CS
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            • uk
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            • zh-Hans
            • zh-Hant
          • Data
          • VslsHost.exe
          • Web
            • Manifests
              • Microsoft.LightSwitch.Design.Server.Manifest.dll
      • Client
      • ClientGenerated
      • Common
      • Data
        • ApplicationDefinition.lsml
      • default.htm
      • LightSwitchExplorer.lsproj
      • LightSwitchExplorer.lsproj.user
      • Server
      • ServerGenerated
      • ServiceConfiguration.cscfg
      • ServiceDefinition.csdef
      • Silverlight.js
    • SilverlightControlLibrary
<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <appSettings>
    <add key="UserCodeAssemblies" value="Application.Common.dll;Application.Server.dll;Application.ServerGenerated.dll" />
    <add key="ExtensionAssemblies" value="Microsoft.LightSwitch.Extensions.Server.dll" />
    <!-- A value of true will enable diagnostic logging on the server -->
    <add key="Microsoft.LightSwitch.Trace.Enabled" value="false" />
    <!-- A value of true only lets local access to Trace.axd -->
    <add key="Microsoft.LightSwitch.Trace.LocalOnly" value="true" />
    <!-- The valid values for the trace level are: None, Error, Warning, Information, Verbose -->
    <add key="Microsoft.LightSwitch.Trace.Level" value="Information" />
    <!-- A value of true will indicate that logging sensitive information is okay -->
    <add key="Microsoft.LightSwitch.Trace.Sensitive" value="false" />
    <!-- The semi-colon separated list of categories that will be enabled at the specifed trace level -->
    <add key="Microsoft.LightSwitch.Trace.Categories" value="Microsoft.LightSwitch" />
    <!-- A value of true will indicate http requests should be re-directed to https -->
    <add key="Microsoft.LightSwitch.RequireEncryption" value="false" />
  </appSettings>
  <connectionStrings>
    <add name="_IntrinsicData" connectionString="Data Source=|SqlExpressInstanceName|;AttachDbFilename=|ApplicationDatabasePath|;Integrated Security=True;Connect Timeout=30;User Instance=True;MultipleActiveResultSets=True" />
  </connectionStrings>
  <system.web>
    <!-- LightSwitch trace.axd handler -->
    <trace enabled="true" localOnly="false" requestLimit="40" writeToDiagnosticsTrace="false" traceMode="SortByTime" mostRecent="true" />
    <httpHandlers>
      <add verb="GET" path="trace.axd" type="Microsoft.LightSwitch.WebHost.Implementation.TraceHandler,Microsoft.LightSwitch.Server.Internal,Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    </httpHandlers>
    <httpModules>
      <add name="DomainServiceModule" type="System.ServiceModel.DomainServices.Hosting.DomainServiceHttpModule, System.ServiceModel.DomainServices.Hosting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      <add name="ServerHttpModule" type="Microsoft.LightSwitch.WebHost.Implementation.RedirectToHttpsModule,Microsoft.LightSwitch.Server.Internal,Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    </httpModules>
    <compilation debug="false" targetFramework="4.0">
      <assemblies>
        <add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
        <add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
        <add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
        <add assembly="Microsoft.LightSwitch.Base.Server, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
      </assemblies>
    </compilation>
    <authentication mode="None" />
    <pages>
      <controls>
        <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      </controls>
    </pages>
    <!-- Setting maxRequestLength to be much greater than default 4096 so that large data may be uploaded e.g. images, docs -->
    <httpRuntime maxRequestLength="102400" />
  </system.web>
  <system.codedom>
    <compilers>
      <compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
        <providerOption name="CompilerVersion" value="v4.0" />
        <providerOption name="WarnAsError" value="false" />
      </compiler>
    </compilers>
  </system.codedom>
  <system.webServer>
    <validation validateIntegratedModeConfiguration="false" />
    <modules runAllManagedModulesForAllRequests="true">
      <add name="DomainServiceModule" preCondition="managedHandler" type="System.ServiceModel.DomainServices.Hosting.DomainServiceHttpModule, System.ServiceModel.DomainServices.Hosting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      <add name="ServerHttpModule" preCondition="managedHandler" type="Microsoft.LightSwitch.WebHost.Implementation.RedirectToHttpsModule,Microsoft.LightSwitch.Server.Internal,Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    </modules>
    <handlers>
      <!-- LightSwitch trace.axd handler -->
      <add name="LightSwitchTrace" path="trace.axd" verb="*" type="Microsoft.LightSwitch.WebHost.Implementation.TraceHandler,Microsoft.LightSwitch.Server.Internal,Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    </handlers>
    <defaultDocument>
      <files>
        <clear />
        <add value="default.htm" />
      </files>
    </defaultDocument>
  </system.webServer>
  <system.serviceModel>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <dataContractSerializer maxItemsInObjectGraph="6553600" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>
</configuration>

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License

This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)


Written By
Software Developer (Senior) http://ADefWebserver.com
United States United States
Michael Washington is a Microsoft MVP. He is a ASP.NET and
C# programmer.
He is the founder of
AiHelpWebsite.com,
LightSwitchHelpWebsite.com, and
HoloLensHelpWebsite.com.

He has a son, Zachary and resides in Los Angeles with his wife Valerie.

He is the Author of:

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