Expression Trees and Nullable Types

Question

I\'ve been playing around with Expression Trees. I have the following simple method that performs a query by dynamically creating an Expression Tree. ItemType is a nullabl

Answer 1

I think you need to convert it

var right = Expression.Constant(ItemTypeValue , typeof(int?))
....

 var lambda = Expression.Lambda<Func<T, bool>>(
            Expression.Equal(
                Expression.Property(param, "ItemType"),
                right),
            param);