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ASPxTreeList.ClientLayout Event

Enables you to save and restore the previously saved layout of the ASPxTreeList.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v23.1.dll

NuGet Package: DevExpress.Web


public event ASPxClientLayoutHandler ClientLayout

Event Data

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

Property Description
LayoutData Gets or sets the layout data.
LayoutMode Indicates whether a control’s layout should be saved or restored.


Handle the ClientLayout event to save and restore the tree list’s layout from a data store.

You can also save and restore the tree list’s layout by using the ASPxTreeList.SaveClientLayout and ASPxTreeList.LoadClientLayout methods.


This example shows how to save/restore the ASPxTreeList’s layout to/from a data store.

protected void ASPxTreeList1_ClientLayout(object sender,
DevExpress.Web.ASPxClientLayoutArgs e) {
    if (e.LayoutMode == DevExpress.Web.ClientLayoutMode.Saving) {
        SaveUserLayoutToDatabase(userID, "AccountTreeList", e.LayoutData);
    else {
        if (System.IO.File.Exists(fileName))
            e.LayoutData = RestoreUserLayoutFromDatabase(userID, "AccountTreeList");
See Also