Why do i get this ArgumentException when adding ScopeParameter

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  I have a Web Applicatio, I've created a Service file for Sync, Its Sync Framework CTP 4.0 October

   

  I have a client on Windows Phone 7

   

  Server Code :

   

  public class ForumSyncService : Microsoft.Synchronization.Services.SyncService<ForumOfflineEntities> 
      {
          
          public static void InitializeService(Microsoft.Synchronization.Services.ISyncServiceConfiguration config) 
          {
              config.ServerConnectionString = NutriLeaf.Services.Constants.Settings.ServerDbConnectionString;
              config.SetEnableScope("ForumScope");
              config.SetDefaultSyncSerializationFormat(Microsoft.Synchronization.Services.SyncSerializationFormat.ODataJson);
              config.SetConflictResolutionPolicy(Microsoft.Synchronization.Services.ConflictResolutionPolicy.ClientWins);
              config.EnableDiagnosticPage = true;
              config.UseVerboseErrors = true;
              config.AddFilterParameterConfiguration("UserID", "ForumThreads", "@UserID", typeof(int));
              config.AddFilterParameterConfiguration("UserID", "ForumThreadReplies", "@UserID", typeof(int));
          }
      }
      #endregion
  

  
  
  

   

  Client Code

   

  static ForumSync.ForumOfflineContext ForumContext = new ForumSync.ForumOfflineContext(Constants.SyncCache.Forums, new Uri(Constants.SyncServices.Forums));
          public static void SyncForums()
          {
              if (UserID == "" || UserID == "0")
              {
                  throw new ArgumentNullException("UserID in setting file not found");
              }
  
              ForumContext.CacheController.ControllerBehavior.AddScopeParameters("UserID", "123"); //exception here
              ForumContext.CacheController.ControllerBehavior.SerializationFormat = Microsoft.Synchronization.ClientServices.SerializationFormat.ODataJSON;
              ForumContext.LoadCompleted += new EventHandler<Microsoft.Synchronization.ClientServices.IsolatedStorage.LoadCompletedEventArgs>(ForumContext_LoadCompleted);
              ForumContext.LoadAsync();
          }
  

  
  I get ArgumentException : Value doesnot fall within expected range!

   

  Stack Trace

   

     at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)

     at System.Collections.Generic.Dictionary`2.Insert(String key, String value, Boolean add)

     at System.Collections.Generic.Dictionary`2.Add(String key, String value)

     at Microsoft.Synchronization.ClientServices.CacheControllerBehavior.AddScopeParameters(String key, String value)

     at NutriLeaf.Phone.Sync.NutriLeafSync.SyncForums()

     at NutriLeaf.Phone.Pages.Sync.Sync.NutriLeafSync_ArticleSyncCompleted(Object sender, EventArgs e)

     at NutriLeaf.Phone.Sync.NutriLeafSync.CacheController_ArticleRefreshCompleted(Object sender, RefreshCompletedEventArgs e)

     at Microsoft.Synchronization.ClientServices.CacheController.FireRefreshCompletedEvent(Exception error, Boolean wasCancelled)

     at Microsoft.Synchronization.ClientServices.CacheController.RefreshWorkerCompleted(Object error)

     at System.Threading.ThreadPool.WorkItem.WaitCallback_Context(Object state)

     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)

     at System.Threading.ThreadPool.WorkItem.doWork(Object o)

     at System.Threading.Timer.ring()

   

   

   

   

  PLEASE HELP!!! 

   

  Thank you for your Help!

  ---

  Nawaz Dhandala

  Wednesday, November 16, 2011 2:45 PM