How to consume Non .net Web Service in Asp.net using VB.Net

Dim request As HttpWebRequest
Dim response As HttpWebResponse = Nothing
Dim reader As StreamReader

Try

    request = HttpWebRequest.Create("https://webserviceurl")
     request.Method ="POST";
    request.Timeout = 15 * 10000
    request.Credentials = New NetworkCredential("UserName","Password")
    request.ContentLength = 0
    response = DirectCast(request.GetResponse(), HttpWebResponse)
    reader = New StreamReader(response.GetResponseStream())
    Console.WriteLine(reader.ReadToEnd())
Finally
    If Not response Is Nothing Then response.Close()
End Try