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
{
					previewString = new NumberFormatter( isCustom( ) ? formatPattern
							: formatCategroy,
							ULocale.getDefault( ) ).format( 1234567890 );
				}
				else
				{
					previewString = new NumberFormatter( isCustom( ) ? formatPattern
							: formatCategroy,
							ULocale.getDefault( ) ).format( 123456789.01234 );
				}
			}
		}
		formatField.setText( displayFormat );
		previewLabel.setText( convertNullString( previewString ) );
		changeFormat.setEnabled( choiceSet != null );
	}
	private String convertNullString( String str )
	{
		if ( str == null )
		{
			return "";
		}
		return str;
	}
	private boolean containValue( SelectionChoice selectedChoice,
			String newValue, String property )
	{
		for ( Iterator iter = choiceList.iterator( ); iter.hasNext( ); )
		{