Bug 188596 Some parameter value cannot be passed to report through URL[0002]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/presentation/aggregation/parameter/RadioButtonParameterFragment.java
selectionItem.setLabel( label );
				selectionItem.setValue( displayValue );
				parameterBean.getSelectionList( ).add( selectionItem );
				
				if ( !label.equals( parameterBean.getDisplayText( ) ) )
				{
					if ( parameterBean.getParameter( ).isDistinct( ) )
					{
						selectionItem
								.setLabel( parameterBean.getDisplayText( ) );
						isDisplayTextInList = true;
					}
				}
				else
				{
					isDisplayTextInList = true;
				}
			}
			
			if ( parameterBean.isDisplayTextInReq( ) && !isDisplayTextInList )
			{
				parameterBean.getSelectionList( )
						.add(
								new ParameterSelectionChoice( parameterBean
										.getDisplayText( ), parameterBean
										.getValue( ) ) );
			}
		}
	}
}