ASPxClientGantt.DependencyDeleting Event
In This Article
Occurs before a user deletes a dependency.
#Declaration
TypeScript
DependencyDeleting: ASPxClientEvent<ASPxClientGanttDependencyDeletingEventHandler<ASPxClientGantt>>
#Event Data
The DependencyDeleting event's data class is ASPxClientGanttDependencyDeletingEventArgs. 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 ASPx |
key | Specifies the dependency key. |
values | Specifies the dependency values. |
#Remarks
Use the DependencyDeleting event to process dependency data before the dependency is deleted.
#Example
The following example illustrates how to cancel dependency deletion if the dependency’s predecessor task key is 10:
Web Forms:
<dx:ASPxGantt ID="Gantt" >
<ClientSideEvents DependencyDeleting="function(s, e) {
if (e.values["ParentID"] == 10) {
//...
e.cancel = true;
}
}" />
</dx:ASPxGantt>
MVC:
@Html.DevExpress().Gantt(settings => {
settings.Name = "gantt";
settings.ClientSideEvents.DependencyDeleting = "function (s, e) {
if (e.values["ParentID"] == 10) {
//...
e.cancel = true;
}
}";
...
}).Bind(
GanttDataProvider.Tasks, GanttDataProvider.Dependencies,
GanttDataProvider.Resources, GanttDataProvider.ResourceAssignments
).GetHtml()
#Concepts
See Also