ASPxTreeList.CustomButtonCallback Event

Occurs when a user clicks a custom command button.

Namespace: DevExpress.Web.ASPxTreeList

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

NuGet Package: DevExpress.Web

Declaration

C#

public event TreeListCustomButtonCallbackEventHandler CustomButtonCallback

VB.NET

Public Event CustomButtonCallback As TreeListCustomButtonCallbackEventHandler

Event Data

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

Property	Description
ButtonID	Specifies an ID of the clicked button.
ButtonIndex	Specifies an index of the clicked button.
NodeKey	Specifies the node key to which the clicked button belongs.

Remarks

Use the CustomButtonCallback event to handle a click on a custom command button.

ASPX

<ASPxTreeList ID="ASPxTreeList1" onCustomButtonCallback="ASPxTreeList1_CustomButtonCallback">
    ...
</ASPxTreeList>

C#

protected void ASPxTreeList1_CustomButtonCallback(object sender, TreeListCustomButtonCallbackEventArgs e) {
    if (e.ButtonID == "test_button_name"){
        // your code
    }
}