Bug 164430 [regression]Dynamic parameter without display text display no values[0705]
Description: Dynamic parameter without display text display no values in parameter dialog when preview the report. Build number: 2.2.0.v20061114-1013 Steps to reproduce: 1. New a data source and dataset. 2. New a dynamic report parameter, keep display text none. 3. Preview Expected result: Values from dataset are listed in paramter dialog. Actual result: empty list. Error log: N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
&& ( PARAM_CONTROL_COMBO.equals( getSelectedControlType( ) ) || DesignChoiceConstants.PARAM_CONTROL_RADIO_BUTTON.equals( getSelectedControlType( ) ) ) )
			{
				
				if ( !canBeNull( ) || !containValue( null, null, COLUMN_VALUE ) )
				{
					errorMessage = ERROR_MSG_NO_DEFAULT_VALUE;
				}
			}
		}
		if ( errorMessage != null )
		{
			errorMessageLine.setText( errorMessage );
			errorMessageLine.setImage( ERROR_ICON );
		}
		else
		{
			errorMessageLine.setText( "" ); 
			errorMessageLine.setImage( null );
		}
		if ( promptMessageLine != null && !promptMessageLine.isDisposed( ) )
		{
			if ( DesignChoiceConstants.PARAM_TYPE_DATETIME.equals( getSelectedDataType( ) ) )
			{
				promptMessageLine.setText( LABEL_DATETIME_PROMPT );
			}
			else
			{
				promptMessageLine.setText( "" ); 
			}
		}