R – form.defaultbutton does not work in Firefox

defaultbuttonfirefoxnet

i am asking this question because my code has the following which works perfectly on IE but not on any other browsers.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
— my code here —
Form.DefaultButton = Button_new.UniqueID
End Sub

I have used Button_new.ID, Button_new.ClientID and it crashes completely. This is the error I get –

"System.InvalidOperationException: The DefaultButton of 'form1' must be the ID of a control of type IButtonControl."

What can I do to make this work in browsers other than just IE?

Best Answer

I experienced a problem that sounds a lot like what you describe. I solved it by upgrading to the latest service packet (.NET 3.5 SP1).

I recall seeing some people solve issues like this with Javascript code, but was fortunate that the service pack fixed my issue without the need to apply a workaround.

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It's based on yet another Mozilla specific CSS extension. There's a whole list for these CSS extensions right here: Mozilla CSS Extensions.

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In normal projects, the assembly and its .pdb file should always have been copied by the IDE into the same folder as your .exe, i.e. the bin\Debug folder of your project. Make sure you remove one from the GAC if you've been playing with it.

Best Answer

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