Prevent NRE from GetPropertyByName
Prevent NRE from GetPropertyByName

ref https://github.com/AlexanderKrutov/DataTables.Queryable/issues/34

@AlexanderKrutov Can you accept and merge this and release ASAP along with this PR too? https://github.com/AlexanderKrutov/DataTables.Queryable/pull/35
AlexanderKrutov/DataTables.Queryable,AlexanderKrutov/DataTables.Queryable