Bug 207561 [Regression] Conversion errror when preview the attached report design
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
public SQLDataSetEditorPage( String pageName )
	{
		super( pageName );
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.design.ui.wizards.DataSetWizardPage#createPageCustomControl(org.eclipse.swt.widgets.Composite)
	 */
	public void createPageCustomControl( Composite parent )
	{
		setControl( createPageControl( parent ) );
		initializeControl( );
		Utility.setSystemHelp( getControl( ),
				IHelpConstants.CONEXT_ID_DATASET_JDBC );
	}
	/**
	 * create page control for sql edit page
	 * 
	 * @param parent
	 * @return
	 */
	private Control createPageControl( Composite parent )
	{
		Composite pageContainer = new Composite( parent, SWT.NONE );
		GridLayout layout = new GridLayout( );
		layout.numColumns = 3;
		layout.marginWidth = 0;
		layout.marginHeight = 0;
		layout.horizontalSpacing = 2;
		pageContainer.setLayout( layout );
		pageContainer.setLayoutData( new GridData( GridData.FILL_BOTH ) );