public List <Tutor> Get_All_Tutors() { List <Tutor> tutors = new List <Tutor>(); Tutor tutor = new Tutor(); try { con.OpenCon(); com = new SqlCommand("SELECT * FROM Tutors", con.GetCon()); SqlDataReader rdr = com.ExecuteReader(); while (rdr.Read()) { tutor = new Tutor(); tutor.setAddress(rdr["Address"].ToString()); tutor.setFirstName(rdr["First_Name"].ToString()); tutor.setID(rdr["ID"].ToString()); tutor.setLastName(rdr["Last_Name"].ToString()); tutor.setnumOfHours(Convert.ToInt32(rdr["Hours"].ToString())); tutor.setPassword(rdr["Password"].ToString()); tutor.setUserName(rdr["User_Name"].ToString()); tutors.Add(tutor); } rdr.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); } con.CloseCon(); return(tutors); }