/// <summary>
        /// Deletes the row in Grid View
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void lbtnDelete_Click(object sender, EventArgs e)
        {
            LinkButton lbtnSender = (LinkButton)sender;
            long       AreaCodeID = 0;

            AreaCodeID = Convert.ToInt64(lbtnSender.CommandArgument);

            CampaignService objCampaignService = new CampaignService();

            try
            {
                objCampaignService.DeleteAreaCode(AreaCodeID);

                GetAreaCodes();
            }
            catch (Exception ex)
            {
                PageMessage = ex.Message;
            }
        }