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Unique key validation

This example demonstrate the unique key validation in a form.

Creating a Form application

1. Create a new Simple form application based on the table departments.

2. In the application menu click in Unique Key.

   

3. To define a key, select the field DeptName on the left side and click in Add.

It is also possible to use a compound key (more then one field for key), press CTRL and click in the desired fields to create a compound key.

   

4. Click on the button "Run application".

   

 

Click on the button below to see the application running.