Posted on 2008-12-22 20:27
玄铁剑 阅读(572)
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asp.net
//public override void VerifyRenderingInServerForm(Control control)
//{
//}
static public void DownLoadFile(GridView gvToExcel, string strTrueFileName)
{
HttpServerUtility CurrentServer = HttpContext.Current.Server;
HttpResponse CurrentResponse = HttpContext.Current.Response;
string strPath = UDF.GetAppSettingValue(UdfType.TempOutputPath);
string strFile = CurrentServer.MapPath(strPath) + strTrueFileName;
FileInfo file;
if (File.Exists(strFile))
{
file = new FileInfo(strFile);
file.IsReadOnly = false;
file.Delete();
}
StringWriter stringWrite = new StringWriter();
HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
gvToExcel.RenderControl(htmlWrite);
FileStream fs = File.Create(strFile);
byte[] info = new UTF8Encoding(true).GetBytes(stringWrite.ToString());
fs.Write(info, 0, info.Length);
fs.Close();
file = new FileInfo(strFile);
CurrentResponse.Clear();
CurrentResponse.ClearHeaders();
CurrentResponse.Buffer = false;
CurrentResponse.AddHeader("Content-Disposition", "attachment;filename=" + CurrentServer.UrlEncode(strTrueFileName));
CurrentResponse.AddHeader("Content-Length", file.Length.ToString());
CurrentResponse.ContentType = "application/octet-stream";//saveAs
CurrentResponse.ContentEncoding = System.Text.Encoding.GetEncoding("utf-7");
CurrentResponse.WriteFile(strFile);
CurrentResponse.Flush();
CurrentResponse.End();
}