VS 2005 - ImageButton Not Firing On Some Forms?

Oct 5, 2011

I have a ImageButton on a master page and a text box. Basically I set the default button to my image button and in the master page I have the following code:-

Code:
Protected Sub butSearch_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles butSearch.Click
If txtSearch.Text <> "" Then
Session("SearchFor") = txtSearch.Text
Response.Redirect("~/Search.aspx", True)
End If
End Sub

When I click on a menu button which has its navigateurl set it works but if I select a different button which loads another content page it does not.

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