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POTrying to get GWT DataGrid to work in UiBinder
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  1. POTrying to get GWT DataGrid to work in UiBinder
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    copied!<p>I am trying to get the hang of UI Binder in GWT.</p> <p>So far, I have a basic application to display a DataGrid with some sample data, and it can be easily switched between traditional GWT and UIBinder. It works correctly in traditional GWT but not in UiBinder.</p> <p>Here's the main EntryPoint class:</p> <pre><code>public class Main implements EntryPoint { public void onModuleLoad() { uiBinder(); //call either uiBinder() or gwt() here } /* Use UiBinder to display grid */ public void uiBinder() { HelloWorld hello = new HelloWorld(); RootPanel.get("myid").add(hello); } /* Use traditional GWT to display grid */ public void gwt() { DataGrid&lt;Contact&gt; grid = new DataGrid&lt;Contact&gt;(); GridInitializer.init(grid); RootLayoutPanel.get().add(grid); } } </code></pre> <p>Here's the HelloWorld.java used by UiBinder:</p> <pre><code>public class HelloWorld extends Composite { interface MyUiBinder extends UiBinder&lt;Widget, HelloWorld&gt; {} private static MyUiBinder uiBinder = GWT.create(MyUiBinder.class); @UiField DataGrid&lt;Contact&gt; grid; public HelloWorld() { GridInitializer.init(grid); initWidget(uiBinder.createAndBindUi(this)); } } </code></pre> <p>The GridInitializer class sets up grid columns and sample data. I there's nothing wrong there because it renders correctly if I use traditional GWT.</p> <p>Here is HelloWorld.ui.xml:</p> <pre><code>&lt;!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent"&gt; &lt;ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder' xmlns:g='urn:import:com.google.gwt.user.client.ui' xmlns:c="urn:import:com.google.gwt.user.cellview.client"&gt; &lt;g:DockLayoutPanel unit="EM"&gt; &lt;g:center&gt; &lt;c:DataGrid ui:field='grid' /&gt; &lt;/g:center&gt; &lt;/g:DockLayoutPanel&gt; &lt;/ui:UiBinder&gt; </code></pre> <p>If I use UI Binder, nothing displays at all. I'm at a loss. Any suggestions?</p>
 

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