protected void btnDelete_Click(object sender, EventArgs e)
 {
     //Call delete conversation API
     if (lvLastMessages.SelectedIndex > -1)
     {
         HiddenField hdfield = (HiddenField)lvLastMessages.Items[lvLastMessages.SelectedIndex].FindControl("hfConvID");
         if (hdfield != null)
         {
             if (TelligentService.DeleteConversation(ScreenName, hdfield.Value))
             {
                 BindConversations(true);
                 rptMessages.DataSource = new List <Message>();
                 rptMessages.DataBind();
             }
         }
     }
 }