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Asked: 2026-05-10T19:10:06+00:00

I have an ASP.NET web page with a Login control on it. When I

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I have an ASP.NET web page with a Login control on it. When I hit Enter, the Login button doesn’t fire; instead the page submits, doing nothing.

The standard solution to this that I’ve found online is to enclose the Login control in a Panel, then set the Panel default button. But apparently that doesn’t work so well if the page has a master page. I’ve tried setting the default button in code with control.ID, control.ClientID, and control.UniqueID, and in each case I get:

The DefaultButton of panelName must be the ID of a control of type IButtonControl.

I’m sure there’s a way to do this with JavaScript, but I’d really like to do it with plain old C# code if possible. Is it possible?

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  1. This should be helpful: http://weblogs.asp.net/jgalloway/archive/2007/10/03/asp-net-setting-the-defaultbutton-for-a-login-control.aspx

    You can use the following to reference the button within the Login control template:

    DefaultButton='Login$LoginButton'

    Basically, you can define a DefaultButton not just on the Form level, but also on individual Panel level, as long as the focus is within the panel, the default button for the panel will be used if you hit ‘Enter’

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