int? number;

if (!number.HasValue)
   Console.Writeline("it's null, Jim");

>I have this to detect a null value on a string:
>
>

>        ' If we have a value
>        If Not tcValue Is DBNull.Value Then
>            lcString = Trim(tcValue)
>        End If
>

>
>Using such an approach for an integer won't work because Is operator cannot be used against an integer.
>
>What would be an easier solution?