linq to sql checking for null

Question

my database field int_ParentId consist of a Null value . how would i check it for a null in this linq query . it is not working

  return _db.Categories.Wher         


        

Answer 1

I have this query working in this scenario

YourContext db = new YourContext();
List list =  (from n in db.YourEntity
                     where n.FieldToCheck.Equals(null)
                     select n).ToList();

Hope it helps.