Disable/Enable a button inside a panel on an ascx control in a vb.net website from codebehind not JQuery

Question

In my website I have a vb.net ascx control which contains a number of textboxes and a button. When the button is clicked I want to disable it, then perform some actions using the values of the textboxes, and then enable the button again. The problem i'm having is that i cannot disable the button.

The ascx control contains an asp:Panel, and inside that is an asp:UpdatePanel which contains the textboxes and the button. Could the asp:Panel or the asp:UpdatePanel be preventing the button being disabled? I can empty the textboxes without a problem, but nothing seems to work on the button.

I've tried

btnButton.Enabled = False

and

btnButton.Attributes.Add("disabled")

but they have no effect. Neither does setting the Visible property to false. The UpdateMode on the Asp:UpdatePanel is set to Always. I'm not too familiar with Asp:Panels or Asp:UpdatePanels so i'm guessing it's something to do with them. Does anyone know the correct way to do this?

Answer 1

After some more research I came across the solution. I just needed to add some attributes to my button like this:

<asp:Button ... OnClientClick="this.disabled=true;" UseSubmitBehavior="false" />

This will disable the button when it is clicked, but still allows the codebehind to run as well. When the codebehind has completed the button will be enabled again.