System.Web 2.0.0.0 System.Web.AspNetHostingPermission(System.Security.Permissions.SecurityAction.InheritanceDemand, Level=System.Web.AspNetHostingPermissionLevel.Minimal) System.Web.AspNetHostingPermission(System.Security.Permissions.SecurityAction.LinkDemand, Level=System.Web.AspNetHostingPermissionLevel.Minimal) To be added. Provides a property that is used by the control to enable selecting data in a data-bound control through the query string. Property 2.0.0.0 System.Web.UI.WebControls.DataKey To be added. The property differs from the default selection made by the data-bound control because the item selected can be persisted across paging and the item may not be on the current page. Gets or sets the data-key value for the selected record in a data-bound control.