Monday, January 30, 2012

Re: How to wrap a “submit button” with GWT?

On 1/30/2012 4:33 PM, Thomas Broyer wrote:
>
>
> On Monday, January 30, 2012 8:51:51 AM UTC+1, Xybrek wrote:
>
> I am getting an error when I try to wrap a submit button with GWT:
>
> Caused by: java.lang.AssertionError: Child cannot be null
> at com.google.gwt.dom.client.Node$.isOrHasChild$(Node.java:278)
> at com.google.gwt.user.client.ui.Button.wrap(Button.java:55)
>
>
> That means the argument to Button.wrap() is 'null' (debug 101: step into
> the code; it's open source, so read the source!), i.e. in your case
> Document.get().getElementById("submit") returns 'null'.
>
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Yes I debug it. And yes, I see that
Document.get().getElementById("submit") returns null. However, it should
not be null since there is a <button> in the HTML file that has that id.

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