public void ApendixHisReport(string searchprm) { ContractSearchpara ObjPara = JsonConvert.DeserializeObject <ContractSearchpara>(searchprm, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore }); DataTable dt = new DataTable(); try { bool isActive = false; if (ObjPara.IsActive != null && ObjPara.IsActive.ToLower() == "on") { isActive = true; } dt = T_CMS_Master_ContractManager.CMS_AppendixHistoryReport(int.Parse(ObjPara.EntityId), null, isActive); } catch { } FileInputHelper.ExportExcel(dt, "Apendix_History_" + SystemConfig.CurrentDate.ToShortDateString(), "Apendix History List", false); }