Asp.net 试图从远程服务器删除文件：遇到错误：远程服务器返回错误：（404）未找到

我正在使用此代码删除文件

    Protected Sub DeleteFTP(strFTPFilePath As String, strUserName As String, strPassword As String)

    Dim requestFileDelete As HttpWebRequest = HttpWebRequest.Create(strFTPFilePath)
    requestFileDelete.Credentials = New NetworkCredential(strUserName, strPassword)
    requestFileDelete.Method = WebRequestMethods.Http.Get

    Dim responseFileDelete As HttpWebResponse = requestFileDelete.GetResponse()


     End Sub

这一行：

Dim responseFileDelete为HttpWebResponse=requestFileDelete.GetResponse（）

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正在生成错误。

酷。。我找到了解决办法。 用Ftp替换HttpWebRequest