How can I grab the current url and assign it to a variable using vb and asp.net?

I have a form that the user fills out and submits. I have vb code that converts that form into an email and sends it to me. I need to know what page it is coming from so I want to assign the current url to a variable that will be included in the email.

Simply put: How do I ass开发者_StackOverflow中文版ign the URL to a variable?

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You can find this in the request object. e.g. Request.Url.AbsoluteUri

Dim url As String = Request.Url.AbsoluteUri

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VB.NET 'static variable

Private Shared prevPage As String = String.Empty

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
        If (Not IsPostBack) Then
            prevPage = Request.UrlReferrer.ToString()
        End If
End Sub