public override bool Save() { if (_referenceType == ReferenceType.Groups || _referenceType == ReferenceType.GroupUsers) { Groups groups = new Groups(UserSession.LoginUser); foreach (GridDataItem item in gridUsers.Items) { if (item.Selected) { groups.AddGroupUser(int.Parse(item["UserID"].Text), _referenceID); } } return(true); } return(false); }