public async Task <Int32Result> Add([FromQuery] string sid, [FromBody] PenznemDto dto) { var result = new Int32Result(); using (var tr = await _context.Database.BeginTransactionAsync()) try { result.Result = await PenznemBll.AddAsync(_context, sid, dto); tr.Commit(); } catch (Exception ex) { tr.Rollback(); result.Error = ex.InmostMessage(); } return(result); }