ASPxClientGantt.TaskDeleting Event

Occurs before a user deletes a task.

Declaration

TaskDeleting: ASPxClientEvent<ASPxClientGanttTaskDeletingEventHandler<ASPxClientGantt>>

Event Data

The TaskDeleting event's data class is ASPxClientGanttTaskDeletingEventArgs. 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.
key	Specifies the task key.
values	Specifies the task values.

Remarks

Run Demo: ASPxGantt - Client-Side Events Run Demo: MVCxGantt - Client-Side Events

Use the TaskDeleting event to process task data before the task is deleted.

Web Forms:

ASPX

<dx:ASPxGantt ID="Gantt" >
    <ClientSideEvents TaskDeleting="function(s, e) {
        if (e.key == 5) {
            //...
        }
    }" />
</dx:ASPxGantt>

MVC:

Razor C#

@Html.DevExpress().Gantt(settings => {
    settings.Name = "gantt";
    settings.ClientSideEvents.TaskDeleting = "function (s, e) { 
        if (e.key == 5) {
            //...
        }        
    }";
    ...
}).Bind(
    GanttDataProvider.Tasks, GanttDataProvider.Dependencies, 
    GanttDataProvider.Resources, GanttDataProvider.ResourceAssignments
).GetHtml()

Concepts

• [Web Forms] Manage Tasks

• [Web Forms] Gantt Elements: Task

• [MVC] Gantt Elements: Task