protected void gvRoles_RowDeleting(object sender, DevExpress.Web.Data.ASPxDataDeletingEventArgs e) { int i = gvRoles.FindVisibleIndexByKeyValue(e.Keys[gvRoles.KeyFieldName]); e.Cancel = true; UserMan.Roles roles = new UserMan.Roles(); roles.RolesId = (int)e.Keys[gvRoles.KeyFieldName]; if (roles.Delete()) { this.LoadRoles(); } }