private void deleteCompleted(object sender, DeleteArgumentCompletedEventArgs e)
 {
     try
     {
         //delete successful
         if (e.Result.Equals(ListMessage.True))
         {
             //remove on current CurrentData
             this.currentData.Remove(this.currentSelectItem);
             this.Refresh();
         }
         else
         {
             if (ListMessage.Message.ContainsKey(e.Result))
             {
                 this.messagePop.SetSingleError(CommonResource.errorDelete + "\n " + ListMessage.Message[e.Result]);
             }
             else
             {
                 this.messagePop.SetSingleError(CommonResource.errorDelete + "\n " + e.Result);
             }
         }
     }
     catch (Exception)
     {
         this.messagePop.SetSingleError(CommonResource.errorCannotConnectServer);
     }
     finally
     {
         MyHelper.IsFree();
     }
 }
 private void deleteCompleted(object sender, DeleteArgumentCompletedEventArgs e)
 {
     try
     {
         //delete successful
         if (e.Result.Equals(ListMessage.True))
         {
             //remove on current CurrentData
             this.currentData.Remove(this.currentSelectItem);
             this.Refresh();
         }
         else
         {
             if (ListMessage.Message.ContainsKey(e.Result))
                 this.messagePop.SetSingleError(CommonResource.errorDelete + "\n " + ListMessage.Message[e.Result]);
             else
                 this.messagePop.SetSingleError(CommonResource.errorDelete + "\n " + e.Result);
         }
     }
     catch (Exception)
     {
         this.messagePop.SetSingleError(CommonResource.errorCannotConnectServer);
     }
     finally
     {
         MyHelper.IsFree();
     }
 }