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DashboardViewerApiOptionBuilder.OnItemWidgetUpdated(String) Method

Specifies the JavaScript function (or its name) executed when the client widget is redrawn after the data used in this widget is changed.

Namespace: DevExpress.DashboardAspNetCore

Assembly: DevExpress.Dashboard.v22.2.AspNetCore.dll

NuGet Package: DevExpress.AspNetCore.Dashboard


public DashboardViewerApiOptionBuilder OnItemWidgetUpdated(
    string onItemWidgetUpdated


Name Type Description
onItemWidgetUpdated String

The JavaScript function (or its name) executed when the event is raised.


Type Description

A reference to this instance after the operation has completed.



The dashboard item is re-created when you maximize / restore the item. All events connected with dashboard item life cycle (such as ItemWidgetCreated, ItemWidgetUpdated are fired again.


The ItemWidgetUpdated event is not fired for a custom dashboard item.

The following code shows how to handle the ItemWidgetCreated, ItemWidgetUpdated, and ItemWidgetUpdating events:

<div style="position: absolute; left: 0; top: 0; right: 0; bottom: 0;">
    .Extensions(e => e.ViewerApi(v => v.OnItemWidgetCreated("function(args) { customizeWidgets(args); }")))
    .Extensions(e => e.ViewerApi(v => v.OnItemWidgetUpdated("function(args) { customizeWidgets(args); }")))
    .Extensions(e => e.ViewerApi(v => v.OnItemWidgetUpdating("function(args) { unsubscribeFromEvents(args); }")))
See Also