public ActionResult Add(CampaignViewModel viewModel)
        {
            if (ModelState.IsValid)
            {
                OperationContext.ServiceSession.EM_CampaignsService.Add(viewModel.ToPOCO());
                OperationContext.ServiceSession.SaveChange();

                return OperationContext.SendAjaxMessage(AjaxMessageStatus.OperationSuccess, "", "", null);
            }
            else
            {
                return OperationContext.SendAjaxMessage(AjaxMessageStatus.OperationFailed, "Please enable javascript in browser.", "", null);
            }
        }
        public ActionResult Modify(int id, CampaignViewModel viewmodel)
        {
            if (ModelState.IsValid)
            {
                viewmodel.CampaignID = id;
                OperationContext.ServiceSession.EM_CampaignsService.Update(viewmodel.ToPOCO(), "CampaignDesc", "CampaignName", "UpdatedBy", "UpdatedDate", "StartDate", "EndDate");
                OperationContext.ServiceSession.SaveChange();

                string hasEmail = string.Empty;
                string emailInstanceId=string.Empty;
                if (OperationContext.ServiceSession.EM_EmailInstancesService.Get(e => e.CampaignID == id).FirstOrDefault() != null)
                {
                    hasEmail = "hasEmail";
                    emailInstanceId =
                        OperationContext.ServiceSession.EM_EmailInstancesService.Get(e => e.CampaignID == id)
                            .FirstOrDefault()
                            .EmailInstanceID.ToString();
                    //ViewBag.emailInstanceId = emailInstanceId;
                }
                return OperationContext.SendAjaxMessage(AjaxMessageStatus.OperationSuccess, hasEmail, "",emailInstanceId);
            }
            return OperationContext.SendAjaxMessage(AjaxMessageStatus.OperationFailed, "Please enable javascript in the browser", "", null);
        }