ASP.NET Ejercicio 02

• Ingresar un numero entero y en pantalla mostrar el dígito mayor y el dígito menor.

 Protected Sub btncalcular_Click(sender As Object, e As EventArgs) Handles btncalcular.Click
        Dim num As String
        num = txtnumero.Text
        Dim max = (From D In num Select D).Max
        Dim men = (From D In num Select D).Min
        txtmayor.Text = max
        txtmenor.Text = men
    End Sub
End Class