Get Last Sever Error Without Using Global.asax Page?

Sep 27, 2010

I have set up custom error on my server and i'm redirecting to a page as shown below

<customErrors mode="On">
<error statusCode="500" redirect="/servererror/default.aspx" />
</customErrors>

When it gets to the page servererror/default.aspx I need it to send an e-mail to me with the exception.message

Here's what i'm trying but it won't work

Sub Page_load(ByVal sender As Object, ByVal e As EventArgs)
Dim LastError As Exception
Dim ErrMessage As String
LastError = Server.GetLastError()
ErrMessage = LastError.Message

[Code]....

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