Calling WCF service problem RSS

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  sladapter

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  Calling WCF service problem

  Mar 14, 2008 01:35 AM | LINK

   I have a simple WCF service looks like this:

   

  public class FileUploadService : IFileUploadService
      {        
          #region IFileUploadService Members
  
          public string DoUpload(string FileName, string Content)
          {
              System.Threading.Thread.Sleep(3000);
              return FileName;                       
          }
  
          #endregion
      }

   

  I have code to call this service in my silverlight control:

  string fileName = "somestring";
  

  string content = "somerandomstring";
  

  var fs = new FileUploadService.FileUploadServiceClient();     
  fs.DoUploadCompleted +=new EventHandler<FileUploadService.DoUploadCompletedEventArgs>(fs_DoUploadCompleted);
  fs.DoUploadAsync(fileName, content);

   void fs_DoUploadCompleted(object sender, FileUploadService.DoUploadCompletedEventArgs e)
   {
              if (e.Error == null)
              { 

                //do something with the e.Result
  

              }

  }

  It works fine until I put a longer string in the content variable. I would get an error in the following generated code in Reference.cs:
  

   public string EndDoUpload(System.IAsyncResult result)

  {
                  object[] _args = new object[0];
                  string _result = ((string)(base.EndInvoke("DoUpload", _args, result)));  //Error here
                  return _result;
  }

  The error message is:

  An exception of type 'System.ServiceModel.ProtocolException' occurred in System.ServiceModel.dll but was not handled in user code
  
  Additional information: [UnexpectedHttpResponseCode]
  Arguments:Not Found

  I did all tests to see how long I can set the content string variable without getting error. The magic number is 8192. If the string length is greater than 8192, I would get the error. But works fine for shorter string.

  Is this a bug?
  

   

  Sally Xu
  Software Engineer
  Aprimo, Inc
  
  Please remember to mark the replies as answers if they answered your question
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  jackbond

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  Re: Calling WCF service problem

  Mar 14, 2008 01:55 AM | LINK

  I think you've hit the limit for the default max size on a web service request. This thread might help you:

  http://silverlight.net/forums/t/11313.aspx

  sladapter

          public string DoUpload(string FileName, string Content)
          {
              System.Threading.Thread.Sleep(3000);
              return FileName;                       
          }

  On a side note, I'm curious, why do you have a Sleep statement there?
  
                         

  Jack Bond
  Khet - The first Silverlight multiplayer game
  Zork I: The Great Underground Empire
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  sladapter

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  Re: Calling WCF service problem

  Mar 14, 2008 02:00 PM | LINK

   Thanks jackbond!

  The solution in the link you provided solved problem.

  By the way, the Thread.Sleep statement is there for testing purpose. It will be replaced with real code. 

  Sally Xu
  Software Engineer
  Aprimo, Inc
  
  Please remember to mark the replies as answers if they answered your question