Bug 190727 [regression]Default value issue when switch report parameter from textbox to listbox.[0705]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
{
				defaultValueChooser.setText( defaultValue );
			}
			initSorttingArea( );
		}
		updateMessageLine( );
	}
	private void initSorttingArea( )
	{
		if ( !inputParameter.isFixedOrder( ) )
		{
			sortKeyLabel.setEnabled( true );
			sortKeyChooser.setEnabled( true );
			sortDirectionLabel.setEnabled( true );
			sortDirectionChooser.setEnabled( true );
			distinct.setEnabled( true );
			distinct.setSelection( !inputParameter.distinct( ) );
			String sortKey = inputParameter.getSortBy( );
			if ( sortKey == null
					|| sortKey.equals( DesignChoiceConstants.PARAM_SORT_VALUES_LABEL ) )
			{
				sortKeyChooser.setText( CHOICE_DISPLAY_TEXT );
			}
			else
			{
				sortKeyChooser.setText( CHOICE_VALUE_COLUMN );
			}
			String sortDirection = inputParameter.getSortDirection( );
			if ( sortDirection == null
					|| sortDirection.equals( DesignChoiceConstants.SORT_DIRECTION_ASC ) )