Passing data variables and waiting for reply...

Please help!

My goal is simple.



Pass my cust_id and track_id to https://payment.example.com/gatway. 

Gateway will confirm my cust_id and track_id

I'll send the XML data (I'll get most of the code samples here: http://www.netomatix.com/Development/XmlWebRequest.aspx)

And that's it basically.
My number 1 is this code.

protected void Button1_Click(object sender, EventArgs e)
        {
            // Request Non-Intreractive mode
            HttpWebRequest hr = (HttpWebRequest)WebRequest.Create("https://payment.examp ...