try out the faq http://code.google.com/docreader/#p=gwt-google-apis&s=gwt-google-apis&t=VisualizationFAQ
On Tue, Jan 19, 2010 at 4:37 PM, Ramya Devi Dharmarajan <
dramyadevi2...@gmail.com> wrote:
> Hi,
>
> I have a problem in my below code.Please share your thoughts.This is
> Urgent.
>
> Code :
>
> *Sample.java*
>
> TimeLine timeLine =
> *new* TimeLine();
>
> VisualizationUtils.*loadVisualizationApi*(timeLine, AnnotatedTimeLine.
> *PACKAGE*);
>
> widget = timeLine.getAnnotatedChart();
>
> *TimeLine.java:*
> *
>
> public
> * Widget getAnnotatedChart(){
>
> widget = *new* AnnotatedTimeLine(getData(), getOption(), "700px", "240px");
>
>
> *return* widget;
>
> }
>
> *private* AnnotatedTimeLine.Options getOption()
>
> {
>
> AnnotatedTimeLine.Options options = AnnotatedTimeLine.Options.*create*();
>
> options.setDisplayAnnotations(
> *true*);
>
> *return* options;
>
> }
>
> *private* AbstractDataTable getData()
>
> {
>
> DataTable data = DataTable.*create*();
>
> data.addColumn(AbstractDataTable.ColumnType.
> *DATE*, "Date");
>
> data.addColumn(AbstractDataTable.ColumnType.
> *NUMBER*, "First Label");
>
> return data;
>
> }
>
> But i got the below exception.
>
> Uncaught exception escaped : -
>
> [ERROR] Uncaught exception escaped
> com.google.gwt.core.client.JavaScriptException: (TypeError):
> '$wnd.google.visualization.DataTable' is null or not an object
> number: -2146823281
> description: '$wnd.google.visualization.DataTable' is null or not an
> object
> at com.google.gwt.visualization.client.DataTable$.create(Native Method)
> at org.soh.doh.ui.client.util.TimeLine.getData(TimeLine.java:39)
> at org.soh.doh.ui.client.util.TimeLine.getAnnotatedChart(TimeLine.java:28)
> at
> org.soh.doh.ui.client.gui.panel.PublicVisualization.EDVisitsbySyndrome.setTimeSeriesLine(EDVisitsbySyndrome.java:144)
> at
> org.soh.doh.ui.client.gui.panel.PublicVisualization.EDVisitsbySyndrome.init(EDVisitsbySyndrome.java:79)
> at org.soh.doh.ui.client.mvc.CenterView.handleEvent(CenterView.java:69)
> at
> com.extjs.gxt.ui.client.mvc.Controller.forwardToView(Controller.java:90)
> at
> org.soh.doh.ui.client.mvc.CenterController.handleEvent(CenterController.java:111)
> at com.extjs.gxt.ui.client.mvc.Dispatcher.dispatch(Dispatcher.java:236)
> at com.extjs.gxt.ui.client.mvc.Dispatcher.dispatch(Dispatcher.java:164)
> at com.extjs.gxt.ui.client.mvc.Dispatcher.dispatch(Dispatcher.java:174)
> at com.extjs.gxt.ui.client.mvc.Dispatcher.forwardEvent(Dispatcher.java:81)
> at org.soh.doh.ui.client.mvc.WestView$4.handleEvent(WestView.java:264)
> at org.soh.doh.ui.client.mvc.WestView$4.handleEvent(WestView.java:1)
> at
> com.extjs.gxt.ui.client.event.BaseObservable.callListener(BaseObservable.java:176)
> at
> com.extjs.gxt.ui.client.event.BaseObservable.fireEvent(BaseObservable.java:96)
> at com.extjs.gxt.ui.client.widget.Component.fireEvent(Component.java:444)
> at
> com.extjs.gxt.ui.client.widget.Component.onBrowserEvent(Component.java:762)
> at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1320)
> at com.google.gwt.user.client.DOM.dispatchEventAndCatch(DOM.java:1299)
> at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1262)
>
>
>
>
>
>
>
>
>
>
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