public int GetLoginInfo(Teacher_tblDTO teacher_tbldto)
        {
            string query = "SELECT Count(*) FROM teacher_tbl WHERE email='" + teacher_tbldto.TEACHER_EMAIL + "' AND password='******'";
            int    count = -1;

            if (dbconnect.OpenConnection() == true)
            {
                MySqlCommand cmd = new MySqlCommand(query, dbconnect.connection);
                count = int.Parse(cmd.ExecuteScalar() + "");

                dbconnect.CloseConnection();

                return(count);
            }
            else
            {
                return(count);
            }
        }
        public DataSet getSingleTeacher(Teacher_tblDTO teacher_tbldto)
        {
            string query = "SELECT * FROM teacher_tbl WHERE email='" + teacher_tbldto.TEACHER_EMAIL + "'";

            if (dbconnect.OpenConnection() == true)
            {
                MySqlCommand cmd = new MySqlCommand(query, dbconnect.connection);

                mysqlAdapter = new MySqlDataAdapter(cmd);
                dataSet      = new DataSet();
                mysqlAdapter.Fill(dataSet);

                dbconnect.CloseConnection();

                return(dataSet);
            }
            else
            {
                return(dataSet);
            }
        }