>>>>I'd say it means that tdNullable can be null http://msdn.microsoft.com/en-us/library/b3h38hb0.aspx#Y1537
>>>>
>>>>You may want to test tdNullable.HasValue to verify whether it contains a value
>>>
>>>Is there a way to avoid this question mark if there is a possiblity to receive a null value for the parameter?
>>
>>
>>try
>>

>>Private Function GetNonNullable(ByVal tdNullable As Nullable(Of Date)) As Date
>>

>
>Hence the ? is easier!


I know that - but if one wants to avoid the ?