public JsonResult CustomerByServiceAndProjectId(string serviceId, string projectId) { string customers = string.Empty; if ((!string.IsNullOrEmpty(projectId)) && (!string.IsNullOrEmpty(serviceId))) { BCBSClient client = new BCBSClient(); customers = client.GetCustomerByServiceAndProjectId(Convert.ToInt64(serviceId),Convert.ToInt64(projectId)); } return Json(customers, JsonRequestBehavior.AllowGet); }