How to show tooltip on a cell?

[wlam]

In a ListGrid, some of cells have very long contents, I want to show the entire content on a tooltip when mouse over it, is it possible?

[wlam]

sorry just found my answer.

setCanHover(true)
setShowHover(true)

My next question, can I control that to show on some cells only?

[Isomorphic]

You should be able to customize the hover using the "setHoverCustomizer" API at the grid or field level. You can return null from the 'hoverHTML()' method to suppress the hover prompt entirely.