LINQ lambda expression append OR statement

Question

If I want to append a AND statement to my query, I can do:

query = query.Where(obj=>obj.Id == id);

if(name.HasValue)
  query = query.Where(obj=>obj.Na         


        

Answer 1

Simply this if I'm not missing something:

query.Where(obj=>obj.Id == id || (obj.Name == name && name.HasValue))

You might want to read this question (my question...) and answer for more complicated scenarios:
How to filter IEnumerable based on an entity input parameter