protected void ExportResult_Click(object sender, EventArgs e) { DateTime min = MinDate; DateTime max = MaxDate; List<WMUserClickResult> list = WMUserClicks.GetResults(min, max); if (!General.IsNullable(list)) { string fileName = string.Format("~/share/upload/excel/clicks/{0:yyyyMMdd}_{1:yyyyMMdd}.xlsx", min, max); ExcelDocument excel = new ExcelDocument(fileName, null); if (excel.CreateExcel(list, "clickResult")) FileHelper.DownLoadFile(fileName, MimeType.Excel); } }