public async Task <object> returnbook([FromBody] vmBookIssuereturn model) { object result = null; string message = string.Empty; try { if (model == null) { return(BadRequest()); } //Save _objcirculation = new Circulation(); message = await _objcirculation.returnbook(model); } catch (Exception ex) { ex.ToString(); } result = new { message }; return(result); }