Karine Bosch

protected override void CreateChildControls()
{
    base.CreateChildControls();

    // instantiation of the silverlight control
    silverlightControl =
      new System.Web.UI.SilverlightControls.Silverlight();
    silverlightControl.ID = "SLAdventureWorks";
    silverlightControl.MinimumVersion = "2.0.30923.0";
    silverlightControl.Width = new Unit(750);
    silverlightControl.Height = new Unit(600);
    silverlightControl.Source =
       this.Page.ClientScript.GetWebResourceUrl(this.GetType(),
        "SL.AdventureWorksProducts.Resources.SL.XAML.AdventureWorksProducts.xap");

    // parameters passed are the URL of the SharePoint site and
    //the name of the list containing the AdventureWorks Products
    silverlightControl.InitParameters = "siteurl=" +
       SPContext.Current.Web.Url +
       ",listname=AdventureWorks Products";

    this.Controls.Add(silverlightControl);
}

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(
        new Uri(siteUrl + "/_vti_bin/Lists.asmx", UriKind.Absolute));
request.Method = "POST";
request.BeginGetRequestStream(new AsyncCallback(RequestCallback),
        request);

private void RequestCallback(IAsyncResult asyncResult)
{
   try
   {
      string envelope = @"<?xml version=""1.0"" encoding=""utf-8""?>
        <soap12:Envelope xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:soap12=""http://www.w3.org/2003/05/soap-envelope"">
        <soap12:Body>
        <GetListItems xmlns=""http://schemas.microsoft.com/sharepoint/soap/"">
              <listName>{0}</listName>
              <query><Query xmlns="""">{1}<OrderBy><FieldRef Name=""Title"" /></OrderBy></Query></query>
              <viewFields><ViewFields xmlns="""">
                    <FieldRef Name=""ID"" />
                    <FieldRef Name=""Title"" />
                    <FieldRef Name=""ProductName"" />
                    <FieldRef Name=""ListPrice"" />
                    <FieldRef Name=""Thumbnail"" />
                    <FieldRef Name=""Color"" />
                    <FieldRef Name=""Weight"" />
                    <FieldRef Name=""Size"" />
                    <FieldRef Name=""Description"" />
                 </ViewFields>
              </viewFields>
             <queryOptions><QueryOptions xmlns=""""><IncludeMandatoryColumns>False</IncludeMandatoryColumns></QueryOptions></queryOptions>
        </GetListItems>
        </soap12:Body>
      </soap12:Envelope>";

     string query = string.Empty;
     if (!string.IsNullOrEmpty(searchstring) && searchstring != "Topic...")
     {
        query = "<Where><Contains><FieldRef Name=\"Title\" />" +
           ";<Value Type=\"Text\">{0}</Value></Contains></Where>";
        query = string.Format(query, searchstring);
     }
     envelope = string.Format(envelope, listName, query);
     HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;
     request.ContentType = "application/soap+xml; charset=utf-8";
     request.Headers["ClientType"] = "Silverlight";

     Stream requestStream = request.EndGetRequestStream(asyncResult);
     StreamWriter body = new StreamWriter(requestStream);
     body.Write(envelope);
     body.Close();

     request.BeginGetResponse(new AsyncCallback(ResponseCallback), request);
  }
  catch (WebException ex)
  {
     responsestring = ex.Message;
  }

        }

private void ResponseCallback(IAsyncResult asyncResult)
{
     HttpWebRequest request = (HttpWebRequest)asyncResult.AsyncState;
     WebResponse response = null;

     try
     {
         response = request.EndGetResponse(asyncResult);
     }
     catch (WebException we)
     {
         responsestring = we.Status.ToString();
     }
     catch (System.Security.SecurityException se)
     {
         responsestring = se.Message;
         if (responsestring == "")
            responsestring = se.InnerException.Message;
     }
     syncContext.Post(ExtractResponse, response);             
}

private void ExtractResponse(object state)
{
    HttpWebResponse response = state as HttpWebResponse;

    if (response != null && response.StatusCode == HttpStatusCode.OK)
    {
       using (StreamReader reader = new StreamReader(response.GetResponseStream()))
       {
           responsestring = reader.ReadToEnd();
           ProcessResponse();
       }
    }
    else
       ProcessMessage();
}

  <httpHandlers>
      <remove verb="GET,HEAD,POST" path="*" />
      <add verb="GET,HEAD,POST" path="*" type="Microsoft.SharePoint.ApplicationRuntime.SPHttpHandler, Microsoft.SharePoint, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
      <add verb="OPTIONS,PROPFIND,PUT,LOCK,UNLOCK,MOVE,COPY,GETLIB,PROPPATCH,MKCOL,DELETE,(GETSOURCE),(HEADSOURCE),(POSTSOURCE)" path="*" type="Microsoft.SharePoint.ApplicationRuntime.SPHttpHandler, Microsoft.SharePoint, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" />
      <add verb="*" path="Reserved.ReportViewerWebControl.axd" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
      <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
      <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
      <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false" />
      <remove verb="*" path="*.asmx" />
      <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false" />
  </httpHandlers>