ASP.NET 导出EXCEL

采用.Net Excel组件导出 EXCEL文件，

/// <summary>
        /// 导出Excel
        /// </summary>
        /// <param name="source">需要导出的数据</param>
        /// <param name="exportFullPath">导出Excel文件的全路径</param>
        /// <param name="hasHeadline">如果 true则生成表头 </param>
        private void ExportExcel(DataTable source, string exportFullPath, bool hasHeadline)
        {
            

            #region 采用.Net Excel组件导出

            Application objExcel = new Application();
            if (objExcel == null)
            {
                throw new Exception("ERROR: You must install Microsoft Excel Application!");
            }

            //创建一个Excel文件（未保存，无文件名）
            Workbooks objWorkbooks = objExcel.Workbooks;
            _Workbook objWorkbook = objWorkbooks.Add(XlWBATemplate.xlWBATWorksheet); //默认创建sheet1

            //取得Sheet1
            Sheets objSheets = objWorkbook.Worksheets;
            _Worksheet objWorksheet = (_Worksheet)objSheets.get_Item(1);

            //写入标题
            int intDataBeginRow = 1;
            if (hasHeadline)
            {
                for (int i = 0; i < source.Columns.Count; i++)
                {
                    objWorksheet.Cells[1, i + 1] = source.Columns[i].ColumnName.Trim();
                }

                //数据起始行加1
                intDataBeginRow++;
            }

            //写入数据,Excel的索引是从1开始的
            for (int j = 0; j < source.Rows.Count; j++)
            {
                for (int k = 0; k < source.Columns.Count; k++)
                {
                    objWorksheet.Cells[j + intDataBeginRow, k + 1] = source.Rows[j][k].ToString();
                }
            }
            objWorksheet.Hyperlinks.Delete(); //去掉超链

            //保存文件（如果使用objWorkbook.SaveAs将不兼容excel2000,excelxp）
            objWorkbook._SaveAs(exportFullPath, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value);

            //关闭文件，释放资源
            objWorkbook.Close(false, exportFullPath, false);
            objExcel = null;

            #endregion
        }

直接调用ExportExcel 即可