public JsonResult IsTenantAvailable(TenantModel tenant) { try { var svc = WebServiceFactory.ApplicationTenant(); var result = svc.ReadMultiple(new [] { new ApplicationTenant_Filter { Field = ApplicationTenant_Fields.Name, Criteria = "@" + tenant.TenantName }, new ApplicationTenant_Filter { Field = ApplicationTenant_Fields.Application_Service_Name_Web_Service_Filter_Field, Criteria = Configuration.ApplicationServiceName } }, null, 1); return Json(result.Length == 0, JsonRequestBehavior.AllowGet); } catch (Exception e) { return Json(e.Message, JsonRequestBehavior.AllowGet); } }