服务端下载程序,第一次点下载总是出现下载当前网页问题?以后就不会出现了,好奇怪啊!Context.Response.Clear();
FileStream fileStream=new FileStream(Server.MapPath("file_id.diz"), System.IO.FileMode.Open, 
System.IO.FileAccess.Read,System.IO.FileShare.Read);
long fileSize = fileStream.Length; 
Context.Response.ContentType="application/octet-stream"; 
Context.Response.AddHeader("Content-Disposition","attachment; filename=file_id.diz"); 
Context.Response.AddHeader("Content-Length",fileSize.ToString()); 
byte[] fileBuffer=new byte[fileSize]; 
fileStream.Read(fileBuffer, 0, (int)fileSize); 
Context.Response.BinaryWrite(fileBuffer); 
Context.Response.End(); 
Context.Response.ContentType = "text/html";