Bug 163636 "controlType" and "mustMatch" should be matched
If "controlType" is combo-box, "mustMatch" should be false; else "controlType" is list-box, "mustMatch" should be true.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
}
		} );
		
		Button valueColumnExprButton = new Button( composite, SWT.PUSH );
		valueColumnExprButton.setText( "..." ); 
		valueColumnExprButton.setToolTipText( Messages.getString( "ParameterDialog.toolTipText.OpenExprButton" ) );
		valueColumnExprButton.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent event )
			{
				ExpressionBuilder expressionBuilder = new ExpressionBuilder( getExpression( columnChooser.getText( ) ) );
				expressionBuilder.setExpressionProvier( new ParameterExpressionProvider( inputParameter, dataSetChooser.getText( ) ) );
				if ( expressionBuilder.open( ) == OK )
				{
					setExpression( columnChooser, expressionBuilder.getResult( ).trim( ) );
				}
			}
		} );
		
		createLabel( composite, LABEL_SELECT_DISPLAY_TEXT );
		
		displayTextChooser = new Combo( composite, SWT.BORDER | SWT.DROP_DOWN );
		displayTextChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		
		Button displayTextExprButton = new Button( composite, SWT.PUSH );
		displayTextExprButton.setText( "..." ); 
		displayTextExprButton.setToolTipText( Messages.getString( "ParameterDialog.toolTipText.OpenExprButton" ) );
		displayTextExprButton.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent event )
			{
				ExpressionBuilder expressionBuilder = new ExpressionBuilder( getExpression( displayTextChooser.getText( ) ) );