To filter LookUpEdit by multiple columns, create a LookUpEditStrategy descendant and override the UpdateDisplayFilter method where the filter criteria is set.
Question Comments
Added By: Cankaya at: 10/12/2012 1:36:38 AM
There is a problem with this line;
e.IsValid = string.IsNullOrEmpty(editor.DisplayText) ? true : grid.VisibleRowCount > 0;
it should just be
e.IsValid = !string.IsNullOrEmpty(editor.DisplayText)
