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
gridLayout.marginWidth = 10;
			gridLayout.marginHeight = 0;
			cmpDetail.setLayout( gridLayout );
			cmpDetail.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		}
		Composite comp = ChartUIUtil.createCompositeWrapper( cmpDetail );
		btnUseReportData = new Button( comp, SWT.RADIO );
		btnUseReportData.setText( Messages.getString( "TaskSelectData.Label.UseReportData" ) ); 
		btnUseReportData.addSelectionListener( this );
		btnUseDataSet = new Button( comp, SWT.RADIO );
		btnUseDataSet.setText( Messages.getString( "TaskSelectData.Label.UseDataSet" ) ); 
		btnUseDataSet.addSelectionListener( this );
		cmbDataSet = new Combo( cmpDetail, SWT.DROP_DOWN | SWT.READ_ONLY );
		cmbDataSet.setLayoutData( new GridData( GridData.VERTICAL_ALIGN_END
				| GridData.FILL_HORIZONTAL ) );
		cmbDataSet.addSelectionListener( this );
		btnNewData = new Button( cmpDetail, SWT.NONE );
		{
			btnNewData.setLayoutData( new GridData( GridData.VERTICAL_ALIGN_END ) );
			btnNewData.setText( Messages.getString( "TaskSelectData.Label.CreateNew" ) ); 
			btnNewData.setToolTipText( Messages.getString( "TaskSelectData.Tooltip.CreateNewDataset" ) ); 
			btnNewData.addSelectionListener( this );
		}
	}
	private void createDataPreviewTableArea( Composite parent )
	{
		Composite composite = ChartUIUtil.createCompositeWrapper( parent );
		{
			composite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		}