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
{
			doNotEcho.setEnabled( true );
		}
		else
		{
			doNotEcho.setEnabled( false );
		}
		
		if ( DesignChoiceConstants.PARAM_CONTROL_TEXT_BOX.equals( getSelectedControlType( ) )
				|| DesignChoiceConstants.PARAM_CONTROL_CHECK_BOX.equals( getSelectedControlType( ) ) )
		{
			needSort.setEnabled( false );
		}
		else
		{
			needSort.setEnabled( true );
		}
	}
	private void updateMessageLine( )
	{
		String errorMessage = validateName( );
		if ( errorMessage == null )
		{
			if ( !isStatic( )
					&& columnChooser != null
					&& columnChooser.getItemCount( ) == 0 )
			{
				errorMessage = ERROR_MSG_NO_AVAILABLE_COLUMN;
			}
			else if ( defaultValue == null