Pity the meager checkbox. People click it. It gets a check. The row is selected. Or it selects an option. Well we decided that the checkbox is deserving of a lot more muscle. So we're pumping it up. And that's exactly what we've done.
Now when you check a row, it's easy to make the text change color and enable buttons. There is also a new event in System Events called onGridRowCheck. It fires whenever the a box is checked or unchecked leaving a message at the top of the Grid.
In addition, if you check a bunch of rows, you can easily execute a filter on the server that selects only the rows that have been checked. Before you had to write a lot of code to accomplish this. But not anymore. The Grid has a new method called filterCheckedRows that does all the labor for you.
Watch part one of the video to see how to enable of all these new functions. When you're done, watch parts two and three to see more new functions, including how to use checkbox columns in your custom Ajax callbacks.