I am trying to use a ColumnTree in my application. But I get the
following exception :
Caused by: com.google.gwt.core.client.JavaScriptException:
(TypeError): Object expected
number: -2146823281
description: Object expected
at com.gwtext.client.widgets.tree.ColumnTree.init(Native Method)
The line which throws this exception is :
final ColumnTree coltree = new ColumnTree();
This is how my App.GWT.XML file looks like :
<inherits name='com.google.gwt.user.User'/>
<inherits name='com.gwtext.GwtExt' />
<inherits name='com.gwtextux.GwtExtUx' />
<stylesheet src="../js/ext/resources/css/ext-all.css" />
<script src="../js/ext/adapter/ext/ext-base.js"></script>
<script src="../js/ext/ext-all.js" />
I read somewhere that I need to copy the ColumnNodeUI.js file to my js/
ext folder. I did that but I still get the exception.
Please help me in resolving this issue.
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