Hello! I need save the preferences of user.
I user hide X columns from Header Context menu, order, etcc I need save it.
which is the events of Header Cotext menu, that i can use for that?
You can access the column in OnColumnHiding client event of RadGrid and store that in a HiddenField and can access from the server side. If you want to use it across the web pages, then you can make AjaxRequest and store that HiddenField value in a session variable.