Bug 136966 When set an alias on a column, the column can not be used in the cascading parameter
Description: When set an alias on a column, the column can not be used in the cascading parameter Steps to reproduce: 1. new a datasource and a dataset 2. set an alias on a column 3. new a cascading parameter, set the column with an alias as the values column Actual result: the column can not be used in the cascading parameter
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
valueTable.setLabelProvider( labelProvider );
		valueTable.setCellModifier( cellModifier );
		valueTable.addSelectionChangedListener( new ISelectionChangedListener( ) {
			public void selectionChanged( SelectionChangedEvent event )
			{
				ISelection selection = event.getSelection( );
				Object param = ( (StructuredSelection) selection ).getFirstElement( );
				if ( param != selectedParameter )
				{
					if ( param instanceof ScalarParameterHandle )
					{
						try
						{
							saveParameterProperties( );
							selectedParameter = (ScalarParameterHandle) param;
						}
						catch ( SemanticException e )
						{
							ExceptionHandler.handle( e );
							valueTable.setSelection( new StructuredSelection( selectedParameter ) );
						}
						refreshParameterProperties( );
						updateButtons( );
					}
				}
			}
		} );
	}
	private void createPropertiesPart( Composite parent )
	{