Question

Suppose I have the following, completely pointless code:

object val1 = 1;
object val2 = 1l;

The below will return false, because the two boxed objects aren’t the same, as objects they have different types:

val1 == val2

The same applies for:

val1.Equals(val2)

Or:

Object.Equals(val1, val2)

What is the easiest way to compare these in the same way that the following would, considering I don’t know the types at runtime (and hence cannot cast):

1 == 1l;

In other words, how do I get a value based comparison on two boxed numbers?

Answer 1

Try using the dynamic keyword. It will resolve the objects to your value types so that you can use the == operator and compare the true values:

(dynamic)val1 == (dynamic)val2