Npoi export Excel2007

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public void Export_ProjectList(DataTable dt, HttpRequestBase Request) { string strModelFile = “”; strModelFile = Request.PhysicalApplicationPath + “ProjectList.xls”;// Template address XSSFWorkbook workbook = null; FileStream file = new FileStream(strModelFile, FileMode.Open, FileAccess.Read); workbook = new XSSFWorkbook(file);// If you export 2003 It is HSSFWorkbook HSSFSheet sheet = (HSSFSheet)workbook.GetSheet(“ProjectList”);// It can be ISheet Sheet=null; if (sheet == null) { return; } ICellStyle cellStyle = workbook.CreateCellStyle(); cellStyle.BorderBottom = BorderStyle.Thin; cellStyle.BorderLeft = BorderStyle.Thin; cellStyle.BorderRight = BorderStyle.Thin; cellStyle.BorderTop = BorderStyle.Thin; cellStyle.WrapText = true; cellStyle.Alignment = HorizontalAlignment.Center; cellStyle.VerticalAlignment = VerticalAlignment.Center;

// Set details if (dt != null && dt.Rows.Count > 0) { IRow dataRowtitle = sheet.CreateRow(0); dataRowtitle.Height = 500; dataRowtitle.CreateCell(0).SetCellValue(“ Serial number ”); dataRowtitle.CreateCell(1).SetCellValue(“ Item number ”); dataRowtitle.CreateCell(2).SetCellValue(“ Project name ”); dataRowtitle.CreateCell(3).SetCellValue(“ Project content ”); dataRowtitle.CreateCell(4).SetCellValue(“ Administrative region ”); dataRowtitle.CreateCell(5).SetCellValue(“ Affiliated branch ”); dataRowtitle.CreateCell(6).SetCellValue(“ Contacts ”); dataRowtitle.CreateCell(7).SetCellValue(“ Contact number ”);

for (int i = 0; i < dt.Rows.Count; i++) { IRow dataRow = sheet.CreateRow(i + 1); dataRow.Height = 450;

for (int j = 0; j < 8; j++) { ICell iCell = dataRow.CreateCell(j); iCell.CellStyle = cellStyle; switch (j) { case 0: iCell.SetCellValue(i + 1);// Serial number break; case 1: iCell.SetCellValue(dt.Rows[i][“PROJECTCODE”] == null ? “” : String.Format(“{0:d}”, dt.Rows[i][“PROJECTCODE”]));// Item number break; case 2: iCell.SetCellValue(dt.Rows[i][“NAME”].ToString());// Project name break; case 3: iCell.SetCellValue(dt.Rows[i][“CONTENT”].ToString());// Project content break; case 4: iCell.SetCellValue(GetListName(GFun.SafeToInt32(dt.Rows[i][“DISTRICT”])));// Administrative region break; case 5: iCell.SetCellValue(GetListName(GFun.SafeToInt32(dt.Rows[i][“BRANCH”])));// Affiliated branch break; case 6: iCell.SetCellValue(dt.Rows[i][“CONTACTS”].ToString());// Contacts break; case 7: iCell.SetCellValue(dt.Rows[i][“PHONENUM”].ToString());// Contact number break; }

} } } string fileName = string.Empty; //sheet.GetRow(0).GetCell(0).SetCellValue(“ Project information ”);// title SetExportFileName(fileName + “ Query result export .xlsx”, workbook); } public static void SetExportFileName(string sFileName, XSSFWorkbook workbook) { System.Web.HttpContext.Current.Response.Charset = “GB2312”; System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8; sFileName = System.Web.HttpUtility.UrlEncode(sFileName, System.Text.Encoding.UTF8); // Add header information , by ” File download / Save as ” Dialog box specifies the default file name System.Web.HttpContext.Current.Response.AddHeader(“Content-Disposition”, “attachment; filename=” + sFileName);

// Specifies that the returned stream is a stream that cannot be read by the client , Must be downloaded System.Web.HttpContext.Current.Response.ContentType = “application/ms-Excel”;

// Send the file stream to the client workbook.Write(System.Web.HttpContext.Current.Response.OutputStream); // Stop page execution System.Web.HttpContext.Current.Response.End(); }

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