BootstrapCallbackPanel.Callback Event

Fires when a round trip to the server has been initiated by a call to the client BootstrapClientCallbackPanel.PerformCallback method.

Namespace: DevExpress.Web.Bootstrap

Assembly: DevExpress.Web.Bootstrap.v19.2.dll

Declaration

public event CallbackEventHandlerBase Callback
Public Event Callback As CallbackEventHandlerBase

Event Data

The Callback event handler receives an argument of the CallbackEventArgsBase type. The following properties provide information specific to this event.

Property Description
Parameter Gets a string that contains specific information (if any) passed from the client side.

Examples

This example demonstrates the basic functionality of the Callback Panel.

The image below shows the result:

BootstrapCallbackPanel

protected void CallbackPanel_Callback(object sender, DevExpress.Web.CallbackEventArgsBase e) {
    if(!string.IsNullOrEmpty(e.Parameter))
        passedInfo.InnerText = "Passed information: \"" + e.Parameter + "\"";
}
See Also