How to read a URL Content

Imports System.Net
Imports System.IO
Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click
        Dim inStream As StreamReader
        Dim webRequest As WebRequest
        Dim webresponse As WebResponse
        webRequest = webRequest.Create(TextBox1.Text)
        webresponse = webRequest.GetResponse()
        inStream = New StreamReader(webresponse.GetResponseStream())
        TextBox2.Text = inStream.ReadToEnd()
    End Sub
End Class