I am building a server control that will search our db and return results. The server control is contains an ASP:Panel. I have set the default button on the panel equal to my button id and have set the form default button equal to my button id.
On the Panel:
MyPanel.DefaultButton = SearchButton.ID
On the Control:
Me.Page.Form.DefaultButton = SearchButton.UniqueID
Works fine in IE & Safari I can type a search term and hit the enter key and it searches fine. If I do it in Firefox I get an alert box saying "Object reference not set to an instance of an a object.
Anyone run across this before?
For most browsers the default type of button is submit . This attribute declares the type of the button.
Form buttons allow the user to submit the filled-in form to the server for processing. Your form will generally contain at least one form submit button so that the form can be sent.
Using submit buttons. <input type="submit"> buttons are used to submit forms. If you want to create a custom button and then customize the behavior using JavaScript, you need to use <input type="button"> , or better still, a <button> element.
Is SearchButton a LinkButton? If so, the javascript that is written to the browser doesn't work properly.
Here is a good blog post explaining the issue and how to solve it:
Using Panel.DefaultButton property with LinkButton control in ASP.NET
Ends up this resolved my issue:
SearchButton.UseSubmitBehavior = False
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