In the object UltraGridColumn exist the property Hidden, but both the code and the presentation does not recognize the property of the version Asp.Net 3.5
UltraGridColumn colum = new UltraGridColumn();
colum.Hidden = true;
anyone have a solution that is not Width="%0"
Annex printScreen
The screenshots show that you're using our WebDataGrid rather than our WebGrid. I've moved this thread to the corresponding forum.
The following forum post leads to further discussion on hiding fields in WebDataGrid:http://forums.infragistics.com/forums/p/16585/60451.aspx#60451