public JsonResult UpdateCampaign(CampaignViewModel data)
        {
            data.Campaign.UpdatedBy = Session[SessionResource.UserName].ToString();

            if (MgmtToolDataProvider.UpdateCampaign(data))
            {
                return Json(data, "application/Json");
            }
            return null;            
        }
        public JsonResult AddCampaign(CampaignViewModel data)
        {
            data.Campaign.CreatedBy = Session[SessionResource.UserName].ToString();

            var campaignId = MgmtToolDataProvider.AddCampaign(data);

            if (campaignId > -1)
            {
                data.CampaignID = campaignId;
                return Json(data, "application/json");
            }
            return null;
        }