Bug 318835 Refactor data set editor pages' codes[27965]
Build Identifier: 20100702 Refactor data set editor pages' codes. Reproducible: Always
UI/org.eclipse.birt.report.designer.ui.data/src/org/eclipse/birt/report/designer/data/ui/dataset/ResultSetPreviewPage.java
{
	private Object realValue;
	private String displayValue;
	public int compareTo( Object o )
	{
		if ( o == null )
		{
			return 1;