CATEGORY: Fields
CLASS: Validation
So for the sakes of recapping, there are times you want to validate the information that is put into a field. This validation is passive and doesn’t do anything if the data in the field matches the parameters you set for it’s validation. Field validation response is triggered when the data within the field falls outside of the parameters you set. The validation exception response is normally a dialog box that pops up on the screen.
Depending on the validation problem, the message may be unclear to the user. If your validation is that the field needs to have unique data, the FileMaker error dialog box tells the user that the data entered was not unique. However, if you have multiple validation settings and / or calculated validation going on, the message simply says you have a problem.
You do not have to use the FileMaker error message when validation fails. You have the ability in FileMaker to put up (a rather limited) dialog box message of your own design to the user when a fields validation fails. Chances are, you (the talented developer that I know you are) can come up with a validation failure dialog box that is more useful to your users. You cannot write an essay about the problem but you can add a brief ( 200 characters or so ) message to the user. I would suggest writing a brief message about the encountered problem and perhaps refer them to a help table (you do have a help table in your solution don't you) for further information.
All you need to do is click the option of "Display custom message if validation fails" box and then type your message in the box below this setting. Be sure to test out your new validation settings / message system before you roll it out live to your users.
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© 2009 - Dwayne Wright - dwaynewright.com
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