I created a nodeview with monodevelop, then i added some colums and work ok. but I need reuse the nodeview with another colums, so that is the question. How can remove colums from nodeview object? thx. -- Jesus Eguiluz Ingeniero Electrónico. Investigación y Desarrollo Andes Electrónica Ltda. +56 2 347-8780 www.andeselec.com