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
{
						selectedParameter.setDataType( dataType.findChoiceByDisplayName( dataTypeChooser.getText( ) )
								.getName( ) );
					}
					catch ( SemanticException e1 )
					{
						ExceptionHandler.handle( e1 );
					}
				}
			}
		} );
		createLabel( propertiesGroup, LABEL_DISPLAY_TYPE );
		displayTypeChooser = new Combo( propertiesGroup, SWT.DROP_DOWN
				| SWT.READ_ONLY );
		displayTypeChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		displayTypeChooser.setItems( new String[]{
				DISPLAY_NAME_CONTROL_LIST, DISPLAY_NAME_CONTROL_COMBO
		} );
		displayTypeChooser.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				if ( selectedParameter != null
						&& selectedParameter != newParameter )
				{
					try
					{
						String newControlType = getSelectedDisplayType( );
						if ( PARAM_CONTROL_COMBO.equals( newControlType ) )
						{
							newControlType = DesignChoiceConstants.PARAM_CONTROL_LIST_BOX;