//导出数据 protected void Button2_Click(object sender, EventArgs e) { DataTable dt = bll.GetItemExportList(userId); string fileName = "AA生活记账数据导出(" + userId + userName + ").xlsx"; string savePath = Server.MapPath("/Backup/Export/") + fileName; try { AsposeExport(dt, savePath); DownExcel(savePath, fileName); } catch { Utility.Alert(this, "数据导出错误!"); } }