private string Insert() { string res = "F"; DataTable dt = ExcelHelperV2_0.Import(Request); if (dt != null) { res = LeaveStockInfoManage.InsertInfos(ref dt, Request.Form["dataType"]); if (res.IndexOf("error:") != 0) { res = JsonHelper.DataTableToJsonForEasyUiDataGridLoadDataMethod(dt.Rows.Count, dt); } } return(res); }