private void DeleteStaffMember(StaffModel staff)
        {
            using (var api = new BusinessContext())
            {
                try
                {
                    var tmpStaffMember = api.GetStaffMembersById(staff.Id);
                    api.DeleteStaffMember(tmpStaffMember);
                }
                catch (Exception)
                {
                    // TODO: Cover error handling
                }
                this.StaffMembers.Remove(staff);
            }



            #endregion
        }