WebRequest 创建 WebResponse 实例....取得别站网页内容。

MSDN：http://msdn.microsoft.com/library/chs/default.asp?url=/library/CHS/cpref/html/frlrfsystemnetwebresponseclasstopic.asp

Private Sub Page_Load()Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'在此处放置初始化页的用户代码

' Initialize the WebRequest.
Dim myRequest As WebRequest = WebRequest.Create("http://www.163.com")

' Return the response.
Dim myResponse As WebResponse = myRequest.GetResponse()

' Code to use the WebResponse goes here.
' Close the response to free resources.

Dim resStream As Stream = myResponse.GetResponseStream()
Dim sr As New StreamReader(resStream, Encoding.UTF8)

Dim str1 As String = sr.ReadToEnd()

myResponse.Close()

TextBox1.Text = str1