public static void SaveToExcel(Page page, ReportViewer rptViewer, string fileName, ExcelDeviceInfo deviceInfo)
{
Warning[] warnings;
string[] streamids;
string mimeType;
string encoding;
string extension;
byte[] bytes = rptViewer.LocalReport.Render(
deviceInfo.OutputFormat, deviceInfo.ToString(),
out mimeType, out encoding,
out extension, out streamids, out warnings);
string savePath = fileName;
using (FileStream stream = new FileStream(savePath, FileMode.Create))
{
stream.Write(bytes, 0, bytes.Length);
}
}
public static void ExportToExcel(Page page, ReportViewer rptViewer, string fileName, ExcelDeviceInfo deviceInfo)
{
Warning[] warnings;
string[] streamids;
string mimeType;
string encoding;
string extension;
byte[] bytes = rptViewer.LocalReport.Render(
deviceInfo.OutputFormat, deviceInfo.ToString(),
out mimeType, out encoding,
out extension, out streamids, out warnings);
FileInfo fInfo = new FileInfo(Path.GetTempFileName());
FileStream fs = new FileStream(fInfo.FullName, FileMode.Create);
fs.Write(bytes, 0, bytes.Length);
fs.Close();
FileHelper.DownloadFile(page, fInfo.DirectoryName, fInfo.Name, fileName);
}