How to perfom a mathematical operation in LINQ

Question

I need to form a Select query in LINQ for a table with fields A, B, C. I need to get the values A and A - B.

Answer 1

Try Select(r = new { r.A, Difference = r.A - r.B })

Answer 2

Try this:

 from t in yourTable
 select t.A, t.A - t.B