You can calculate a new property for any feature.
To create a calculated property
- In the Display Manager, right-click the feature layer for which you want to create a calculated property. Click Create A Calculation.
Once you create a calculation, this menu command changes to Manage Calculations and displays the Manage Layer Data dialog box. In that dialog box, you can add, edit, or delete calculations.
- Create the calculation.
- Click
on the toolstrip to open the Data Table window.
The column representing the calculated property appears at the far right side of the Data Table.