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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.v18.2.dll

Declaration

public event CallbackEventHandlerBase Callback
Public Event Callback As CallbackEventHandlerBase

Event Data

The Callback event's data class is CallbackEventArgsBase. 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