Just open the application in two or more browser screens and play with some sorting, filtering. Add some entries, change them.
A short video of the basics can be seen here: https://goo.gl/m0hfmJ
It shows two synchronised browser screens. What's changing in one screen will reflect in the other.
The example uses the same database as the Telerik examples, to be found at https://github.com/telerik/ui-for-aspnet-mvc-examples/tree/master/grid/signalR-bound-grid You only have to change the connection string to a working database with the product samples.