When designing a wireframe, you want your design to be as close to real life as possible. Although wireframes have their limitations, Balsamiq offers a few tricks that allow you to do just that.
Use this feature when you want to show a data table row as being selected.
Perform the following steps:
1. Click on the data table to make it active.
2. In the Property Inspector, locate the Selection menu, as shown in the following screenshot:
3. Click the arrow on the right to expose a list of every row in your data table.
4. Select one of the rows, as shown in the following screenshot:
5. Deselect the data table and see the results, as shown in the following screenshot:
The row you selected is now highlighted. You will notice this functionality in most online forms and now you can depict it directly in your wireframes. It is very useful.