public static string GetFileInfo(string prequest_id) { SpManager spManager = new SpManager(); Dictionary <string, object> inputParam = new Dictionary <string, object>(); inputParam.Add("pbranch_id", string.Empty); inputParam.Add("prequest_id", prequest_id); inputParam.Add("prequest_status_id", string.Empty); inputParam.Add("pregistration_no", string.Empty); inputParam.Add("psanchay_patra_no", string.Empty); inputParam.Add("pcustomer_name", string.Empty); inputParam.Add("pcustomer_mobile_no", string.Empty); DataTable dt = spManager.GetFileInfo(inputParam); return(DatatableToJson(dt)); }