Last and LastOrDefault not supported

Question

I am trying to get the first and last values in a list. The query operator First() is supported but Last() and LastOrDefault() give an

Answer 1

The problem is that there's no easy translation into SQL for Last or Reverse, so either convert it to something in memory (ToList, ToArray) if there aren't going to be too many records, or you could run the query a 2nd time, with OrderByDescending instead of OrderBy and use First.