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private void DownTest(string title, string fileurl, string ext)
{
string filename = System.Web.HttpUtility.UrlEncode(title + "." + ext, System.Text.Encoding.UTF8);
System.Web.HttpContext.Current.Response.Clear();
System.Web.HttpContext.Current.Response.ClearHeaders();
System.Web.HttpContext.Current.Response.Buffer = false;
System.Web.HttpContext.Current.Response.ContentType = "application/octet-stream";
System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment; filename=" + filename + "");
System.Web.HttpContext.Current.Response.TransmitFile(Server.MapPath(fileurl));
System.Web.HttpContext.Current.Response.Flush();
System.Web.HttpContext.Current.Response.End();
}
using (FileStream fso = new FileStream(Server.MapPath(DownAdress), FileMode.Open,FileAccess.ReadWrite,FileShare.Inheritable))
{
string[] filename=DownAdress.Split(new char[]{'/'});
int len = Convert.ToInt32(fso.Length);
byte[] FileObj = new byte[len];
fso.Read(FileObj, 0, len);
Response.AddHeader("Content-Disposition", string.Format("attachment; filename={0}", HttpUtility.UrlEncode(filename[filename.Length - 1]), System.Text.Encoding.UTF8));
Response.AddHeader("Content-Length", len.ToString());
Response.ContentType = "application/octet-stream";
Response.Charset = "UTF-8";
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.BinaryWrite(FileObj);
Response.Flush();
Response.Clear();
fso.Close();
}