System.Design 2.0.0.0 System.Enum The enumeration is used by the method. Specifies the possible locations for adding a control in a container. Field 2.0.0.0 System.Web.UI.Design.ControlLocation Adds the control after the current selection or current control. Field 2.0.0.0 System.Web.UI.Design.ControlLocation Adds the control before the current selection or current control. Field 2.0.0.0 System.Web.UI.Design.ControlLocation Adds the control at the start of the document. Field 2.0.0.0 System.Web.UI.Design.ControlLocation Adds the control as the first child of the selected control, if the selected control is a container control. Field 2.0.0.0 System.Web.UI.Design.ControlLocation Adds the control at the end of the document. Field 2.0.0.0 System.Web.UI.Design.ControlLocation Adds the control as the last child of the selected control, if the selected control is a container control.