Bug 131628 Dynamic pick list enhancements - BIRT designer UI changes
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
{
			return formatString.split( ":" )[0]; 
		}
		return null;
	}
	private String getPattern( String formatString )
	{
		if ( formatString != null )
		{
			int index = formatString.indexOf( ':' ); 
			if ( index == -1 )
			{
				return null;
			}
			return formatString.substring( index + 1 );
		}
		return null;
	}
	private String getColumnName( String value )
	{