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POPassing an object through WCF service to silverlight
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  1. POPassing an object through WCF service to silverlight
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    copied!<p>I have a WCF project within my Silverlight application. The WCF project uses Entity Framework to read from a database, i want to pass a list of objects that reflect rows to the Silverlight application this is the service contract;</p> <pre><code>[ServiceContract] public interface IGetToolboxItemsService { [OperationContract] List&lt;Control&gt; GetToolboxItems(); [OperationContract] string ReturnWord(string word); } </code></pre> <p>and here is the class that does the work</p> <pre><code>public class GetToolboxItemsService : IGetToolboxItemsService { public List&lt;Control&gt; GetToolboxItems() { SilverlightScreenDesignerEntities ent = new SilverlightScreenDesignerEntities(); List&lt;Control&gt; controls = new List&lt;Control&gt;(); controls = ent.Controls.ToList(); return controls; } public string ReturnWord(string word) { return word; } } </code></pre> <p>This is how i call the service in the client;</p> <pre><code>ToolboxServiceReference.GetToolboxItemsServiceClient proxy = new ToolboxServiceReference.GetToolboxItemsServiceClient(); proxy.GetToolboxItemsCompleted += proxy_GetToolboxItemsCompleted; proxy.GetToolboxItemsAsync(); </code></pre> <p>and then the completed event is here;</p> <pre><code>void proxy_GetToolboxItemsCompleted(object sender, ToolboxServiceReference.GetToolboxItemsCompletedEventArgs e) { var data = e.Result; } </code></pre> <p>when i debug the service it runs off to the database and brings back a list of <code>Controls</code> which is whats expected however i get the error message when trying to get the list of controls through the client.</p> <pre><code>The remote server returned an error: NotFound </code></pre> <p>yet when i try the simple return word, the service works fine and nothing breaks, is there an extra step thats needed because im passing through an object?</p> <p>Here is the web.config;</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;!-- For more information on how to configure your ASP.NET application, please visit http://go.microsoft.com/fwlink/?LinkId=169433 --&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 --&gt; &lt;section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=4.4.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" /&gt; &lt;/configSections&gt; &lt;system.web&gt; &lt;compilation debug="true" targetFramework="4.0"&gt; &lt;assemblies&gt; &lt;add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" /&gt; &lt;/assemblies&gt; &lt;/compilation&gt; &lt;/system.web&gt; &lt;system.serviceModel&gt; &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name=""&gt; &lt;dataContractSerializer maxItemsInObjectGraph="2147483647"/&gt; &lt;serviceMetadata httpGetEnabled="true" /&gt; &lt;serviceDebug includeExceptionDetailInFaults="true" /&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;/behaviors&gt; &lt;/system.serviceModel&gt; &lt;entityFramework&gt; &lt;defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework"&gt; &lt;parameters&gt; &lt;parameter value="v11.0" /&gt; &lt;/parameters&gt; &lt;/defaultConnectionFactory&gt; &lt;/entityFramework&gt; &lt;connectionStrings&gt; &lt;add name="ModelContainer" connectionString="metadata=res://*/Model.csdl|res://*/Model.ssdl|res://*/Model.msl;provider=System.Data.SqlClient;provider connection string=&amp;quot;data source=MOBINOTE135;initial catalog=BankManager;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&amp;quot;" providerName="System.Data.EntityClient" /&gt; &lt;add name="SilverlightScreenDesignerEntities" connectionString="metadata=res://*/Model.csdl|res://*/Model.ssdl|res://*/Model.msl;provider=System.Data.SqlClient;provider connection string=&amp;quot;data source=MOBINOTE135;initial catalog=SilverlightScreenDesigner;integrated security=True;multipleactiveresultsets=True;application name=EntityFramework&amp;quot;" providerName="System.Data.EntityClient" /&gt; &lt;/connectionStrings&gt; &lt;/configuration&gt; </code></pre>
 

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