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
else
		{
			IChoice choice = dataType.findChoiceByDisplayName( dataTypeChooser.getText( ) );
			type = choice.getName( );
		}
		return type;
	}
	/**
	 * Gets the internal name of the control type from the display name
	 */
	private String getSelectedDisplayType( )
	{
		String displayText = displayTypeChooser.getText( );
		if ( displayText.length( ) == 0 )
		{
			return null;
		}
		if ( DISPLAY_NAME_CONTROL_COMBO.equals( displayText ) )
		{
			return PARAM_CONTROL_COMBO;
		}
		if ( DISPLAY_NAME_CONTROL_LIST.equals( displayText ) )
		{
			return PARAM_CONTROL_LIST;
		}
		return null;
	}
	private void popupFormatBuilder( boolean refresh )
	{
		String type = getSelectedDataType( );