Function getPageSource(ByVal url As String) As String

        Dim sourcecode As String = String.Empty

        Try

            Dim request As System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create(url)
            Dim response As System.Net.HttpWebResponse = request.GetResponse()

            Dim sr As System.IO.StreamReader = New System.IO.StreamReader(response.GetResponseStream())

            sourcecode = sr.ReadToEnd()

        Catch ex As Exception
            MsgBox(ex.Message)
        End Try

        Return sourcecode

    End Function

You can use this to get the page source code of any valid URL. Tested on VS2010.

Get Page Source Code

page, code

VB.NET