protected void btnAddZoneCity_Click(object sender, EventArgs e)
        {
            dvmsgUpdateZone.Style.Add("display", "none");
            MDMSVC.DC_ZoneRQ RQ = new MDMSVC.DC_ZoneRQ();
            RQ.Create_Date = DateTime.Now;
            RQ.Create_User = System.Web.HttpContext.Current.User.Identity.Name;;
            RQ.Zone_id     = Zone_Id;
            if (ddlMasterCityEdit.SelectedValue != "0")
            {
                RQ.City_id = new Guid(ddlMasterCityEdit.SelectedValue);
            }
            var result = masterSVc.AddZoneCityMapping(RQ);

            if (result != null)
            {
                if (result.StatusCode == MDMSVC.ReadOnlyMessageStatusCode.Success)
                {
                    BootstrapAlert.BootstrapAlertMessage(dvMsgaddZoneCity, "City has been added successfully", BootstrapAlertType.Success);
                    fillgrdZoneCitiesData(Zone_Id);
                }
                else
                {
                    BootstrapAlert.BootstrapAlertMessage(dvMsgaddZoneCity, result.StatusMessage, (BootstrapAlertType)result.StatusCode);
                }
            }
        }