index.md

Exercise - Binding the data of a control to a method

1. In ShowProducts, add a new TotalUnits method inside the expressions region.
2. The TotalUnits method will :
   1. Need to be internal.
   2. Return a Number as the return value.
   3. Calculate the total number of units in stock and on order.
3. Save changes to Git.
4. Build the project.
5. Go to the Form.
6. Using the Grid Column Wizard add the TotalUnits.
7. Save changes to Git.
8. Build and test.