[WebMethod]
        public DataSet GetUserAcc(string username)
        {
            DataSet ds = new DataSet();
            string database = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=|DataDirectory|/dvd_forum.accdb;Persist Security Info=True";
            string queryStr = "SELECT * FROM users WHERE username LIKE '%" + username + "%'";
            OleDbConnection myConn = new OleDbConnection(database);
            OleDbDataAdapter myDataAdapter = new OleDbDataAdapter(queryStr, myConn);
            myConn.Open();
            myDataAdapter.Fill(ds, "Users");
            myConn.Close();
            return ds;
        }