File Upload How to get the path of the file

Hello to Everybody,
The situation is the following I am using a Form to send a email with attachment that I get name from FileUpload Control, after I create a button that transfer the Path and name of the File
but only transfer the File Name and the path are not included.
Somebody can help me on how to get the path  from the control FileUpload  
 
 Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        txtAttachmentPath.Text = FileUpload1.FileName

    End Sub
 
Thanks
evick 
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