public async Task <object> issuebook([FromBody] object model)
        {
            object result = null; string message = string.Empty;

            try
            {
                if (model == null)
                {
                    return(BadRequest());
                }

                var bookIssued = JsonConvert.DeserializeObject <vmBookIssuereturn>(model.ToString());

                //Save
                _objcirculation = new Circulation();
                message         = await _objcirculation.issuebook(bookIssued);
            }
            catch (Exception ex)
            {
                ex.ToString();
            }

            result = new
            {
                message
            };

            return(result);
        }