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WebChartControl.CallbackStateLoad Event

Occurs when a chart loads its view state between multiple callbacks.

Namespace: DevExpress.XtraCharts.Web

Assembly: DevExpress.XtraCharts.v22.2.Web.dll

NuGet Package: DevExpress.Web.Visualization


public event CallbackStateLoadEventHandler CallbackStateLoad

Event Data

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

Property Description
Chart Gets the chart for which the event was raised. Inherited from CallbackStateEventArgs.

The event data class exposes the following methods:

Method Description
GetPropertyValue(String) Returns a value for the specified property on the WebChartControl.CallbackStateLoad event.


Handle the WebChartControl.CallbackStateSave and CallbackStateLoad events to manually decide which property values should be passed between a server and a client on callbacks. To set a property value to be passed, use the CallbackStateSaveEventArgs.SetPropertyValue method. To load a property value, use the CallbackStateLoadEventArgs.GetPropertyValue method.


The CallbackStateSave and CallbackStateLoad events are raised only if the WebChartControl.SaveStateOnCallbacks property is set to true.

See Also