public static bool changeMyInfomation(string idTeacher, string Name, string Gender, string Email, string Phone, string BirthDay) { if (!marchEmail(Email)) { return(false); } if (!marchBirthDay(BirthDay)) { return(false); } StandalizedBirthDayToDatabase(ref BirthDay); return(TeacherDAO.changeMyInfomation(idTeacher, Name, Gender, Email, Phone, BirthDay)); }