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
updateMessageLine( );
			}
		} );
		createLabel( propertiesSection, LABEL_PROMPT_TEXT );
		promptTextEditor = new Text( propertiesSection, SWT.BORDER );
		promptTextEditor.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		createLabel( propertiesSection, LABEL_PARAM_DATA_TYPE );
		dataTypeChooser = new Combo( propertiesSection, SWT.READ_ONLY
				| SWT.DROP_DOWN );
		dataTypeChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		dataTypeChooser.setItems( ChoiceSetFactory.getDisplayNamefromChoiceSet( DATA_TYPE_CHOICE_SET ) );
		dataTypeChooser.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				changeDataType( );
				updateCheckBoxArea( );
			}
		} );
		createLabel( propertiesSection, LABEL_DISPALY_TYPE );
		controlTypeChooser = new Combo( propertiesSection, SWT.READ_ONLY
				| SWT.DROP_DOWN );
		controlTypeChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		controlTypeChooser.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				changeControlType( );
			}
		} );
	}
	private void createDisplayOptionsSection( Composite composite )