public void SaveEmployee_DL(string name, string address, int age, int jobId)
        {
            SqlConnection   con    = new SqlConnection(@"Data Source=B283LCOK\SQLEXPRESS;Initial Catalog=EmployeeDB;Integrated Security=True");
            EmployeeDetails empDet = new EmployeeDetails()
            {
                Name = name, Address = address, Age = age, EmployeeJobID = jobId
            };
            var dlayer = new EmployeeDL(con);

            dlayer.SaveEmployeeTest(empDet);
        }