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
}
	private void clearParamProperties( )
	{
		paramNameEditor.setText( "" ); 
		promptText.setText( "" ); 
		dataTypeChooser.select( -1 );
		displayTypeChooser.select( -1 );
		defaultValueEditor.setText( "" ); 
		helpTextEditor.setText( "" ); 
		formatField.setText( "" ); 
		listLimit.setText( "" ); 
		previewLable.setText( "" ); 
		allowNull.setSelection( false );
	}
	private void setControlEnabled( boolean enable )
	{
		paramNameEditor.setEnabled( enable );
		promptText.setEnabled( enable );
		dataTypeChooser.setEnabled( enable );
		displayTypeChooser.setEnabled( enable );
		defaultValueEditor.setEnabled( enable );
		helpTextEditor.setEnabled( enable );
		formatField.setEnabled( enable );
		listLimit.setEnabled( enable );
		changeFormat.setEnabled( enable );
	}
	private void changeDataType( String type )
	{
		initFormatField( type );
		refreshValueTable( );