Asp.net中fileupload控件怎样将要上传的文件保存到远程FTP主机？解决思路

Asp.net中fileupload控件怎样将要上传的文件保存到远程FTP主机？
如题。。。。。。。望各位大大不吝赐教。

[解决办法]
在ftp主机上架iis。

[解决办法]

C# code

private static void Upload(string ftpServer, string userName, string password, string filename){   using (System.Net.WebClient client = new System.Net.WebClient())   {      client.Credentials = new System.Net.NetworkCredential(userName, password);      client.UploadFile(ftpServer + "/" + new FileInfo(filename).Name, "STOR", filename);   }}