Failed to compare two elements in the array

Question

I have a List where T is a class that exposes a \"Username\" property. Username is of a custom type that encapsulates a string. I implemen

Answer 1

your answer isn't strictly correct from what I can tell. My objects don't implement IComarable or IComparable at all and they still work fine. I am creating a CollectionViewSource and adding sort descriptions just like you and not getting this error. I was getting the error because the property in the sort description was blank. Once I fixed this everything worked fine without the interface. I suspect maybe you had a property incorrect and it drops back to using IComparable if it can't access the property.