dynamically added linkbutton control, click event firing but cannot get page to open in iframe

I have a dynamically added linkbutton control (sorry for code layout, i get a noxmlhttp error when trying to use the source code box for posting) added like so:

Private Sub AddSecondLevelLinks(ByVal theTitle As String, ByVal theUrl As String)

Dim lb As New LinkButton

lb.Text = theTitle

lb.ID = lb.Text

lb.CommandArgument = theUrl

lb.Visible = True

lb.CssClass = "secondLevel"


AddHandler lb.Click, AddressOf SecondLevelButtonClick

End Sub

When i click the button my eventhandler definitely fires (drops in here in debug) but does not work as expected:

Sub SecondLevelButtonClick(ByVal sender As Object, ByVal e As System.EventArgs)

Dim myLinkButton = DirectCast(sender, LinkButton)

Dim strurl As String = appendScopeToURL(myLinkButton.CommandArgument.ToString())

Dim framedisplay As HtmlContainerControl = form1.NamingContainer.FindControl("DisplayFrame")

framedisplay.Attributes("src") = strurl

End Sub

(NB: the strurl returned from appendscopetourl  works fine so please ignore call to this function, I dont believe that is the source of the problem! )

nothing happens after the click event handler is executed, i would expect the iframe to show the page according to strurl. 

I have a dynamically added commandbutton on my page and using the htmlcontainercontrol method of sending page to iframe (as coded above)works fine, which is weird because i would have thought a link button would be pretty much the same?

 Am i missing something fundamental to get the linkbutton to work, do i need to use the onclientclick event and register some javascript to get this going? If so could someone help me out a little more with syntax please as my javascript sucks!! (i am more used to windows development!)

Or could it be because when the button is clicked a postback is done and as the control is dynamically added, it is essentially removed and re-added in the load routine of the page?

Hope someone can shed some light on this for me!

3/12/2009 12:04:34 PM
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