Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/TaskSelectData.java
doLivePreview( );
			}
		}
		else if ( e.getSource( ).equals( btnBinding ) )
		{
			if ( getDataServiceProvider( ).invoke( IDataServiceProvider.COMMAND_EDIT_BINDING ) == Window.OK )
			{
				refreshTablePreview( );
				doLivePreview( );
			}
		}
		else if ( e.getSource( ) instanceof MenuItem )
		{
			MenuItem item = (MenuItem) e.getSource( );
			IAction action = (IAction) item.getData( );
			action.setChecked( !action.isChecked( ) );
			action.run( );
		}
	}
	private void refreshTablePreview( )
	{
		tablePreview.clearContents( );
		if ( cmbDataSet.getText( ) != null )
		{
			switchDataTable( );
		}
		tablePreview.layout( );
	}
	protected IDataServiceProvider getDataServiceProvider( )
	{