public IHttpActionResult DeleteOrganisationStaffMember(Guid id, Guid? projId, Guid staffId) { try { var staff = repo_.DeleteStaffMember(id, staffId); if (projId.HasValue) staff = staff.Where(sm => sm.ProjectIds.Contains(projId.Value)).ToList(); return Ok(staff); } catch (Exception e) { return BadRequest(e.Message); } } // DeleteOrganisationStaffMember