protected void ddlAnnouncementTo_SelectedIndexChanged(object sender, EventArgs e)
 {
     try
     {
         if (ddlAnnouncementTo.SelectedIndex != 0)
         {
             SqlDataReader sdr = uc.GetUserMobile(ddlAnnouncementTo.SelectedItem.Text, ddlAnnouncementTo.SelectedItem.Value);
             if (sdr.HasRows)
             {
                 if (sdr.Read())
                 {
                     txtAnnouncementToMobile.Text = sdr["t_MobileNo"].ToString();
                 }
             }
             sdr.Close();
         }
     }
     catch (Exception ex)
     {
         string exrmsg = ex.Message.ToString();
         ScriptManager.RegisterStartupScript(this, typeof(Page), "Warning", "<script>showpoperror('" + exrmsg + "')</script>", false);
     }
 }