怎么實現文件的下載，更新，刪除.

如何實現文件的下載，更新，刪除..
在ASP.NET1.1中，如何實現文件的下載，更新，刪除..
數據庫是SQL2000


------解决方案--------------------------------------------------------
这个是下载的.调他就行了.
/// <summary>
/// 输出硬盘文件，提供下载 支持大文件、续传、速度限制、资源占用小
/// </summary>
/// <param name= "MyRequest "> Page.Request对象 </param>
/// <param name= "MyResponse "> Page.Response对象 </param>
/// <param name= "MyFileName "> 下载文件名 </param>
/// <param name= "MyFullPath "> 带文件名下载路径 </param>
/// <param name= "MySpeed "> 每秒允许下载的字节数 </param>
/// <returns> True Or False </returns>
public bool ResponseFile(HttpRequest MyRequest, HttpResponse MyResponse, string MyFileName, string MyFullPath, long MySpeed)
{
try
{
FileStream myFile = new FileStream(MyFullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
BinaryReader br = new BinaryReader(myFile);
try
{
MyResponse.AddHeader( "Accept-Ranges ", "bytes ");
MyResponse.Buffer = false;

long fileLength = myFile.Length;
long startBytes = 0;
int pack = 10240; //10K bytes
int sleep = (int)Math.Floor(1000.0 * pack / MySpeed) + 1;

if (MyRequest.Headers[ "Range "] != null)
{
MyResponse.StatusCode = 206;
string[] range = MyRequest.Headers[ "Range "].Split(new char[] { '= ', '- ' });
startBytes = Convert.ToInt64(range[1]);
}

MyResponse.AddHeader( "Content-Length ", (fileLength - startBytes).ToString());

if ((startBytes != 0))
{
MyResponse.AddHeader( "Content-Range ", string.Format( " bytes {0}-{1}/{2} ", startBytes, fileLength - 1, fileLength));
}

MyResponse.AddHeader( "Connection ", "Keep-Alive ");
MyResponse.ContentType = "application/octet-stream ";
MyResponse.AddHeader( "Content-Disposition ", "attachment;filename= " + HttpUtility.UrlEncode(MyFileName, System.Text.Encoding.UTF8));
br.BaseStream.Seek(startBytes, SeekOrigin.Begin);

int maxCount = (int)Math.Floor(1.0*(fileLength - startBytes) / pack) + 1;

for (int i = 0; i <= maxCount; i++)
{
if ((MyResponse.IsClientConnected))
{
MyResponse.BinaryWrite(br.ReadBytes(pack));
System.Threading.Thread.Sleep(sleep);
}
else
{
i = maxCount;
}
}
}
catch
{
return false;
}
finally
{
br.Close();myFile.Close();
}
}
catch
{
return false;
}
return true;
}