I found thisrequiredNothis.mandatory = "error";orthis.validate.nullTest = "error";See the mandatory and nullTest properties.athttp://livedocs.adobe.com/livecycle/8.2/acrobat_designer/wwhelp/wwhimpl/common/html/wwhelp.htm?context=Adobe_LiveCycle_Designer_Help&file=001196.htmlThat must be my problem, ...

I used the code below with the same results. I have one dropdown list, two text fields, and an email submit button. The list and one textfield are required, and one is set to hidden and optional. The hidden field, when it is visible, isn't highlighted, and there's no error message. form1.#subform[0]...

That's a good point. I'm using ES2, but I have version 8 also. Let me try that and see what the difference is. Thank you for your suggestion. I'll post the results this afternoon.

Srini,We got sidetracked by the visibility and the switch---case method. Now about the required fields, I haven't succeeded in making hidden fields required when they are visible. I've tried several possibilities. First, I added lines to the case statements. Then I tried adding to the change or exit...

The fields should already be highlighted, since I enabled that in Form Validation settings, and all the other fields do become highlighted when the user clicks Submit. So these conditional required fields are not being set to mandatory, for some reason.

Thank you both! Srini's suggestion works perfectly!

Right. I forgot about that.

Jono,Thank you for your suggestion, which I tried, like this.switch (xfa.event.newText){    case "Maternity":          MaternitySubform.presence = "visible";          break;    case "Family":          FamilySubform.presence = "visible";          break;              case "Medical/Disability":        ...

Why can't the javascript be included in the Script Editor in Livecycle? I think I've seen some examples online where people did some extensive javascript that way. So that everything is self-contained in the PDF file.

As I said in the first post, I have an older form that does create a filename using some of the user's input and saves the form to a specific location. That form uses a Trusted Function in a js script. Is there an alternative to this method? My form will be used in 900 stores across the country, and...