Example of Tooltip Template in ASP.NET MVC HeatMap Chart Control
This sample visualizes the crude oil production of the non-OPEC countries over the years. The data point values displayed are in million barrels per day units.
In this example, you can see how to customize the tooltip content in the HeatMap. You can customize the tooltip content by using the templateopens in a new tab property.
The tooltip is enabled in this example. To see the tooltip in action, hover the mouse over an item or tap an item on touch-enabled devices.