Wriju's BLOG

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VB.NET 10 : Optional Nullable Parameter

If you want to assign Nothing to the optional parameter in VB.NET 10, it is just like to obvious now,

Sub Main()

    ‘Passing value for the optional parament _age

    MyFunc(“Wriju”, “wriju@contoso.com”, 30)


    ‘No value is supplied for the optional parament _age

    MyFunc(“Writam”, “writam@contoso.com”)

End Sub



Sub MyFunc(ByVal _name As String,

           ByVal _email As String,

           Optional ByVal _age As Integer? = Nothing)


    Console.WriteLine(“Name={0}, Email={1}, Age={2}”,

                      _name, _email, _age.ToString())

End Sub