[bigboy81]

Quote:

Originally Posted by JuanStone It must work, the code shows, shows how you do it.

If i define isnull it tells me that it is already defined, like

Код:

warning 201: redefinition of constant/macro

But if i put

Код:

if(isnull(inputtext))

I can continue and I have not typed anything
I will try in my other methods