Excel cells have a very special and useful behavior that they become editable as soon as it gets selected but it doesn’t changes its visual appearance i.e. caret doesn’t becomes visible. User can start typing into it or use Enter or Arrow keys to move around, caret becomes visible as soon as user starts typing into it.
This is a continuation post to my previous post Resolving harmless binding errors in WPF in which I talked about various ways of resolving different binding errors etc. I recently came across another situation in which we get these binding errors and how they can be resolved.