c# 导出表格

var record = m_editor.getMasterRecord();
var Check_Id = record.Check_Id;
var url = "/Storage/Storage_Check/StorageExport?Check_Id="+Check_Id;
window.open(url);

#region 库存明细导出
    /// <summary>
    /// 说明：库存明细导出
    /// 时间：2015-2-20
    /// </summary>
    /// <param name="idLists"></param>
    /// <param name="Provider_Ids"></param>
    /// <returns></returns>
    public ActionResult StorageExport(string Check_Id)
    {
      string where = string.Empty;
      string sql = string.Empty;
      ResultInfo info = new ResultInfo();

      where = "Check_Id=" + Check_Id;
      Storage_Check Detail = Storage_CheckRepository.Instance.Get(where);
      IList<Storage_CheckList> DetailList = Storage_CheckListRepository.Instance.GetMany(where).ToList();

      #region  将数据写入到Execl中，并下载
      string path = Server.MapPath("~/Upload/ImportCheck/库存盘点数量导入.xlsx"); //HttpContext.Current.Server
      //指定Templete文档Text.xlsx
      FileInfo newFile = new FileInfo(path);
      //开启
      using (ExcelPackage pck = new ExcelPackage(newFile))
      {
        //设定ExcelWorkBook
        ExcelWorkbook workBook = pck.Workbook;
        workBook.Worksheets.Delete();
        ExcelWorksheet currentWorksheet = pck.Workbook.Worksheets.Add("库存盘点数据");
        if (workBook != null)
        {
          if (workBook.Worksheets.Count > )
          {
            currentWorksheet.Cells[, ].Value = "盘点ID";//盘点ID
            currentWorksheet.Cells[, ].Value = "盘点明细ID";//盘点明细ID
            currentWorksheet.Cells[, ].Value = "货位";//货位
            currentWorksheet.Cells[, ].Value = "编号";
            currentWorksheet.Cells[, ].Value = "商品名称";
            currentWorksheet.Cells[, ].Value = "条形码";
            currentWorksheet.Cells[, ].Value = "商品规格";
            currentWorksheet.Cells[, ].Value = "小单位";
            currentWorksheet.Cells[, ].Value = "批次号";
            currentWorksheet.Cells[, ].Value = "账面库存量";
            currentWorksheet.Cells[, ].Value = "盘点数量";
            currentWorksheet.Cells[, ].Value = "生产日期";
            currentWorksheet.Cells[, ].Value = "到期日期";
            currentWorksheet.Cells[, ].Value = "备注";

                        int i = ;
            foreach (Storage_CheckList list in DetailList)
            {
              i += ;
                        //    var SmallUnit = "";
                         // var Product =    Base_ProductInfoRepository.Instance.GetMany("ProductCode =" + list.ProductCode).ToList();
                            //foreach (var a in Product)
                            //{
                            //    SmallUnit = a.SmallUnit;
                            //}
              var Product = Base_ProductInfoRepository.Instance.Get("ProductCode ='" + list.ProductCode+"'");
              int ProductStorage = (Detail.IsBlind ?? ) ==  ?  : (list.ProductStorage??);
              //Cells[RowIndex,CellIndex]
              currentWorksheet.Cells[i, ].Value = list.Check_Id;//盘点ID
              currentWorksheet.Cells[i, ].Value = list.CheckList_Id;//盘点明细ID
              currentWorksheet.Cells[i, ].Value = list.PositionName;
              currentWorksheet.Cells[i, ].Value = list.ProductCode;
              currentWorksheet.Cells[i, ].Value = list.ProductName;
              currentWorksheet.Cells[i, ].Value = list.ProductModel;
              currentWorksheet.Cells[i, ].Value = list.ProductSpec;
              currentWorksheet.Cells[i, ].Value = Product.SmallUnit;
              currentWorksheet.Cells[i, ].Value = list.BatchNumber;
              currentWorksheet.Cells[i, ].Value = ProductStorage;
              currentWorksheet.Cells[i, ].Value = list.CheckQuantity;
              currentWorksheet.Cells[i, ].Value = list.ProduceDate.HasValue ? list.ProduceDate.Value.ToString("yyyy-MM-dd") : "";
              currentWorksheet.Cells[i, ].Value = list.LimitDate.HasValue ? list.LimitDate.Value.ToString("yyyy-MM-dd") : "";
              currentWorksheet.Cells[i, ].Value = list.Remark;
 //    string Check_Id = worksheet.Cells[i, 1].Value != null ? worksheet.Cells[i, 1].Value.ToString() : null;
                        }
          }
        }
        //存至库存盘点数据导出.xlsx

        //pck.SaveAs(new FileInfo("E:" + @"\库存盘点数量导入.xlsx"));
        string pathInfoList = Server.MapPath("~/Upload/ImportCheck/库存盘点数据导出.xlsx");
        pck.SaveAs(new FileInfo(pathInfoList));
      }

      return new RedirectResult("/Upload/ImportCheck/库存盘点数据导出.xlsx");
      #endregion
    }
    #endregion