Chapter 3: Developing Applications

Data Validation tab

The Data Validation tab allows you to validate user-entered data of an application that contains grid data by entering regular expressions.

Validation Expression – the validation rule in the form of a regular expression.
Test – click this button to launch the Regular Expression Tester popup window, where you can test the regular expression.
- Regular Expression – enter the regular expression you want to test.
- Test Value –
- Test Result – the results of the test appear after clicking Test.
Common Expressions – this drop-down list provides a set of predefined, frequently used regular expressions you can select from.
Detailed Instructions – this is an optional field you can use to provide additional information to the client mobile device user, for example, Include area code with phone number or Enter full 9 digit zip code. On the client device, the Detailed Instruction message displays near the input fieldnote that is included with the form field on the client device. This may not apply for all client devices–it depends on the screen size and capabilities of the device.
Error Message – enter a customized error message to be sent to device client device users when their entered data does not match the validation expression. Instead of receiving the usual generic error message, the user receives a more informative message, for example, Zip code must have nine digits.