using System;

public class Test
{
	public static void Main()
	{
            Type t = typeof(int?); //will get this dynamically
            Type u = Nullable.GetUnderlyingType(t);
            object val = 5; //will get this dynamically
            object nVal = Convert.ChangeType(val, u);// nVal will be 5
            
            Console.WriteLine("Type is: {0}, Value is: {1}", nVal.GetType(), nVal);
	}
}