B4J Question Check if Combobox value is Null

[sigster]

Hi
I am try to check if Combobox Value is Null in button

Is this not how it is done ? = Cbo_level.Value = 0

Regards
Sigster

If name.Text.Length =0 OR login.Text.Length =0 OR Cbo_level.Value = 0 Then
     
        message.Text = "textbox cannot be empty" 
        Return False
End If

 

[Erel]

No. 0 is not null.

If Cbo_level.Value = Null Then