String length in a Business Rule

[Frank Eck2]

Hi,

from a beginner a very basic question. I want in a business rule to check the length of a string entered (I wouldn't like to do that via UI) and check if it has a certain length.

So I tried the Javascript function like this:

var zipvalue = current.zip_code.length;

But it doesn't deliver anything back. I also tried:

    var zipvalue = current.zip_code;
    zipi = zipvalue.length;

I'm for sure to blond as we say here and my fault is obvious, sadly not to me 😞

Any advice from the community please?

Thanks,

Frank

[Frank Eck2]

Hi Allen,

thanks for the support. I found it at the end myself, I wanted to check when submitting the length of a field and if it has a certain length. This I done with a client script now (as said, I'm a beginner).

This is what works now, maybe not most elegant, but it works :-). I guess heavy against any bad practice, but as a starter I need to make it work, beauty contest to follow later if I develop my Javascript skills further :-).

    var zip = g_form.getValue('zip_code');
    var ziplen = zip.length;
    
    if(ziplen != 5)
    
    {
        alert("Länge der Postleitzahl falsch: " + ziplen);
        
        return false;
    }

For checking if a certain entry of zip code and street is already existing in the database, I use a business rule like this:

// Instantiate the NeedItUtils class.  Call the isDatePast method and pass
    // the u_when_needed value.
    var street = current.strasse;
    var plz = current.postleitzahl.getDisplayValue();
    
    // If the combination of street and zip code exists already, display error and about action
    if(street == "Vogelstraße" && plz == "60528")
    
    {
        gs.addErrorMessage("Kombination von PLZ und Strasse gibt es bereits:"+ plz);
        current.setAbortAction(true);
    }

Of course this needs to be dynamic, but first I needed to make it work.

Thanks a lot for help.

Best regards,

Frank