private void writeToDB(StudentDetail student)
        {
            TargetDB db          = new TargetDB("Yuwa", "anly4s85vg.database.windows.net", "Yuwa", "Welcome_1234");
            var      queryString = string.Format("INSERT INTO StudentDetails(FirstName, LastName, Gender) VALUES ('{0}','{1}','{2}')", student.FirstName, student.LastName, student.Gender);

            db.ExecuteNonQuery(queryString);
        }