How to add a summary row to a grid widget

You can add a summary row to a required column that is bound to the grid widget.
Follow below steps to add a summary row

1. Select the grid widget and enable Enable Summary Row option from Properties tab and the Grid Summary Configuration pop-up window will render

   

2. In this pop-up, choose the required column and click on Add Summary option

   

3. We have multiple aggregation types for the summary row, so select the one you want and click the Update button to see the results.

   

   

You can refer to this link to learn more about customization in the summary row of a grid widget.