All docs
V20.2
20.2
20.1
The page you are viewing does not exist in version 20.1. This link will take you to the root page.
19.2
The page you are viewing does not exist in version 19.2. This link will take you to the root page.
19.1
The page you are viewing does not exist in version 19.1. This link will take you to the root page.
18.2
The page you are viewing does not exist in version 18.2. This link will take you to the root page.
18.1
The page you are viewing does not exist in version 18.1. This link will take you to the root page.
17.2
The page you are viewing does not exist in version 17.2. This link will take you to the root page.

ASPxClientGantt.TooltipShowing Event

Occurs before a tooltip is displayed.

Declaration

TooltipShowing: ASPxClientEvent<ASPxClientGanttTooltipShowingEventHandler<ASPxClientGantt>>

Event Data

The TooltipShowing event's data class is ASPxClientGanttTooltipShowingEventArgs. The following properties provide information specific to this event:

Property Description
cancel Specifies whether to cancel the related action (for example, row edit, export). Inherited from ASPxClientCancelEventArgs.
container Returns a container for an instance of the tooltip.
task Returns the processed task.

Remarks

Use the TooltipShowing event to specify tooltip content before it is displayed.

<dx:ASPxGantt ID="Gantt" >
    <ClientSideEvents TooltipShowing="onGanttTooltipShowing" ... />
</dx:ASPxGantt>
function onGanttTooltipShowing(s, e) {
    //...
    e.container.innerHTML = 'text ' + e.task.title;
}

Concepts

Online Demo

See Also