Bug 102436 Date/time value not stored correctly in report design
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
}
	private void refreshColumns( boolean onlyFilter )
	{
		if ( columnChooser == null )
		{
			return;
		}
		if ( !onlyFilter )
		{
			cachedColumns = DataSetManager.getCurrentInstance( )
					.getColumns( dataSetChooser.getText( ), true );
			displayTextChooser.removeAll( );
			displayTextChooser.add( NONE_DISPLAY_TEXT );
			for ( int i = 0; i < cachedColumns.length; i++ )
			{
				displayTextChooser.add( cachedColumns[i].getName( ) );
			}
			displayTextChooser.setText( NONE_DISPLAY_TEXT );
		}
		String originalSelection = columnChooser.getText( );
		columnChooser.removeAll( );
		for ( int i = 0; i < cachedColumns.length; i++ )
		{
			if ( matchDataType( cachedColumns[i] ) )
			{
				columnChooser.add( cachedColumns[i].getName( ) );
			}
		}
		if ( columnChooser.indexOf( originalSelection ) != -1 )
		{