public string uploadSalaryDetailFile(string salaryMonth, HttpPostedFileBase salaryDetailFileStream) { try { string salaryFileName = ""; using (sys_employeeEntities db = new sys_employeeEntities()) { FileStream salaryFileStream = HelperCommon.saveSalaryDetail(salaryMonth, salaryDetailFileStream); salaryFileName = updateSalary(salaryMonth, salaryFileStream, db); } return(salaryFileName); } catch (Exception e) { throw e; } }