Dim request As WebRequest = WebRequest.Create( _
  "http://xxxxxxxxxx/72365818/test.rar")
        request.Method = "POST"
        Dim postData As String = "user"
        Dim byteArray As Byte() = Encoding.UTF8.GetBytes(postData)
        request.ContentType = "application/x-www-form-urlencoded"
        request.ContentLength = byteArray.Length
        Dim dataStream As Stream = request.GetRequestStream()
        dataStream.Write(byteArray, 0, byteArray.Length)
        dataStream.Close()
        Dim response As WebResponse = request.GetResponse()
        Form1.TextBox1.Text = (CType(response, _
          HttpWebResponse).StatusDescription)
        dataStream = response.GetResponseStream()
        Dim reader As New StreamReader(dataStream)
        Dim responseFromServer As String = reader.ReadToEnd()
        Form1.TextBox2.Text = (responseFromServer)
        reader.Close()
        dataStream.Close()
        response.Close()