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ASPxDockZone Class

A zone where panels can be docked.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v20.2.dll


public class ASPxDockZone :


The ASPxDockZone class specifies a zone where panels can be docked. A collection of docked panels can be accessed via the ASPxDockZone.Panels property. A panel is docked to a zone if the panel’s ASPxDockPanel.OwnerZoneUID property is set to the zone’s ASPxDockZone.ZoneUID property value.

Use the ASPxDockZone.ZoneUID property to specify a zone’s unique identifier. This property can be used to obtain a zone at runtime on the server (ASPxDockManager.FindZoneByUID) or client (ASPxClientDockManager.GetZoneByUID) side.


Panels can be arranged within a zone control, one after another, either vertically or horizontally. Use the zone’s ASPxDockZone.Orientation property to control the arrangement of panels within a zone.

An ASPxDockZone control can enlarge its size (Height for a vertically oriented zone and Width for a horizontally oriented zone) to contain a docking panel. To control a zone’s ability to grow, use the ASPxDockZone.AllowGrowing property.

You can provide different appearances for the allowed and forbidden zone states by using a dock zone’s DockZoneStyles.DockingAllowedStyle and DockZoneStyles.DockingForbiddenStyle properties. These appearances are used to highlight zones during panel dragging, and to indicate whether a particular zone is allowed or disallowed from panel docking. You can specify the appearance of a zone section where the panel can be docked, via the DockZoneStyles.PanelPlaceholder property.


The ASPxDockZone control provides you with comprehensive client-side functionality, implemented using JavaScript code:

The control’s client-side API is enabled if the ASPxDockZone.ClientInstanceName property is defined, or any client event is handled.

See Also