Ejemplo n.º 1
0
  public void setQuery(String q) {
    cache = new Vector();
    try {
      ResultSet rs = statement.executeQuery(q);
      ResultSetMetaData meta = rs.getMetaData();
      colCount = meta.getColumnCount();
      headers = new String[colCount];
      for (int h = 1; h <= colCount; h++) {
        headers[h - 1] = meta.getColumnName(h);
      }
      while (rs.next()) {
        String[] record = new String[colCount];
        for (int i = 0; i < colCount; i++) {
          record[i] = rs.getString(i + 1);
        }
        cache.addElement(record);
      } // while sonu

      fireTableChanged(null);
    } // try sonu
    catch (Exception e) {
      cache = new Vector();
      e.printStackTrace();
    }
  } // setQuery sonu
Ejemplo n.º 2
0
  public void setValueAt(Object value, int row, int col) { // are you editing?
    /*prepare the query*/
    /*you have to change the query to adapt it to your table*/
    if (col == 0) kolon = "english";
    if (col == 1) kolon = "turkish";
    String s =
        "update soz set "
            + kolon
            + " = '"
            + (String) value
            + "' where "
            + kolon
            + " = '"
            + ((String[]) cache.elementAt(row))[col]
            + "'";
    System.out.println(s);
    /*excecute the query*/
    try {
      statement.execute(s);
    } catch (Exception e) {
      System.out.println("Could not updated");
    }

    ((String[]) cache.elementAt(row))[col] = (String) value;
    fireTableCellUpdated(row, col); // also update the table
  }
  /**
   * Fill the table using m_sql
   *
   * @param table table
   */
  private static void tableLoad(MiniTable table) {
    //	log.finest(m_sql + " - " +  m_groupBy);
    String sql =
        MRole.getDefault()
                .addAccessSQL(m_sql.toString(), "tab", MRole.SQL_FULLYQUALIFIED, MRole.SQL_RO)
            + m_groupBy
            + m_orderBy;

    log.finest(sql);
    try {
      Statement stmt = DB.createStatement();
      ResultSet rs = stmt.executeQuery(sql);
      table.loadTable(rs);
      stmt.close();
    } catch (SQLException e) {
      log.log(Level.SEVERE, sql, e);
    }
  } //  tableLoad
Ejemplo n.º 4
0
 public void closeDB() {
   try {
     if (statement != null) {
       statement.close();
     }
     if (db != null) {
       db.close();
     }
   } catch (Exception e) {
     System.out.println("Database could not closed");
     e.printStackTrace();
   }
 } // closeDB sonu
Ejemplo n.º 5
0
  public static void makeRoomTables() {
    String tableDay = "";
    int leap_year_days = 28;
    String year = "2015";
    int leap = Integer.parseInt(year.trim());

    if ((leap % 400 == 0) || ((leap % 4 == 0) && (leap % 100 != 0))) {
      leap_year_days = 29;
    } else {
    }
    String[] month = new String[13];
    // populate array
    month[1] = "01";
    month[2] = "02";
    month[3] = "03";
    month[4] = "04";
    month[5] = "05";
    month[6] = "06";
    month[7] = "07";
    month[8] = "08";
    month[9] = "09";
    month[10] = "10";
    month[11] = "11";
    month[12] = "12";

    try {

      Connection con =
          DriverManager.getConnection(
              "jdbc:mysql://67.20.111.85:3306/jeehtove_caliking?relaxAutoCommit=true",
              "jeehtove_ck",
              "Z_^PBBZT+kcy");
      Statement stmt_query = con.createStatement();
      Statement stmt_addroomdata = con.createStatement();

      for (int i = 1; i <= 12; i++) {
        if (month[i] == "01"
            || month[i] == "03"
            || month[i] == "05"
            || month[i] == "07"
            || month[i] == "08"
            || month[i] == "10"
            || month[i] == "12") {
          for (int j = 1; j <= 31; j++) {
            if (j >= 1 && j <= 9) {
              tableDay = year + "_" + month[i] + "_0" + j;
            } else tableDay = year + "_" + month[i] + "_" + j;
            String query =
                "CREATE TABLE if not exists jeehtove_caliking.rooms_"
                    + tableDay
                    + "(`ROOM` int(11) NOT NULL,`TYPE` int(11) NOT NULL,`BOOKED` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;";
            String tableData =
                "INSERT INTO `rooms_"
                    + tableDay
                    + "` (`ROOM`, `TYPE`, `BOOKED`) VALUES (101, 1, 0), (102, 1, 0), (103, 1, 0), (104, 1, 0), (105, 1, 0), (106, 1, 0), (107, 1, 0), (108, 1, 0), (109, 1, 0), (110, 2, 0), (111, 2, 0), (112, 2, 0), (113, 2, 0), (114, 2, 0), (115, 2, 0), (116, 2, 0), (117, 2, 0), (118, 2, 0), (119, 3, 0);";

            int maketables = stmt_query.executeUpdate(query);
            int addroomdata = stmt_addroomdata.executeUpdate(tableData);
            System.out.println("Room Tables Created for " + tableDay + ".");
          }
        }

        if (month[i] == "04" || month[i] == "06" || month[i] == "09" || month[i] == "11") {
          for (int j = 1; j <= 30; j++) {
            if (j >= 1 && j <= 9) {
              tableDay = year + "_" + month[i] + "_0" + j;
            } else tableDay = year + "_" + month[i] + "_" + j;
            String query =
                "CREATE TABLE if not exists jeehtove_caliking.rooms_"
                    + tableDay
                    + "(`ROOM` int(11) NOT NULL,`TYPE` int(11) NOT NULL,`BOOKED` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;";
            String tableData =
                "INSERT INTO `rooms_"
                    + tableDay
                    + "` (`ROOM`, `TYPE`, `BOOKED`) VALUES (101, 1, 0), (102, 1, 0), (103, 1, 0), (104, 1, 0), (105, 1, 0), (106, 1, 0), (107, 1, 0), (108, 1, 0), (109, 1, 0), (110, 2, 0), (111, 2, 0), (112, 2, 0), (113, 2, 0), (114, 2, 0), (115, 2, 0), (116, 2, 0), (117, 2, 0), (118, 2, 0), (119, 3, 0);";

            int maketables = stmt_query.executeUpdate(query);
            int addroomdata = stmt_addroomdata.executeUpdate(tableData);
            System.out.println("Room Tables Created for " + tableDay + ".");
          }
        }

        if (month[i] == "02") {
          for (int j = 1; j <= leap_year_days; j++) {
            if (j >= 1 && j <= 9) {
              tableDay = year + "_" + month[i] + "_0" + j;
            } else tableDay = year + "_" + month[i] + "_" + j;
            String query =
                "CREATE TABLE if not exists jeehtove_caliking.rooms_"
                    + tableDay
                    + "(`ROOM` int(11) NOT NULL,`TYPE` int(11) NOT NULL,`BOOKED` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;";
            String tableData =
                "INSERT INTO `rooms_"
                    + tableDay
                    + "` (`ROOM`, `TYPE`, `BOOKED`) VALUES (101, 1, 0), (102, 1, 0), (103, 1, 0), (104, 1, 0), (105, 1, 0), (106, 1, 0), (107, 1, 0), (108, 1, 0), (109, 1, 0), (110, 2, 0), (111, 2, 0), (112, 2, 0), (113, 2, 0), (114, 2, 0), (115, 2, 0), (116, 2, 0), (117, 2, 0), (118, 2, 0), (119, 3, 0);";

            int maketables = stmt_query.executeUpdate(query);
            int addroomdata = stmt_addroomdata.executeUpdate(tableData);
            System.out.println("Room Tables Created for " + tableDay + ".");
          }
        }
      }

      System.out.println("Table creation has been completed.");

    } catch (Exception e) {
      System.out.println(e);
    }
  }
Ejemplo n.º 6
0
  public void bookRoom() {
    try {
      int code = 0;
      Connection con =
          DriverManager.getConnection(
              "jdbc:mysql://67.20.111.85:3306/jeehtove_caliking?relaxAutoCommit=false",
              "jeehtove_ck",
              "Z_^PBBZT+kcy");
      Statement stmt_insert = con.createStatement();
      Statement stmt_tableRange = con.createStatement();
      Statement stmt_checkrooms = con.createStatement();
      Statement stmt_checkrooms_2 = con.createStatement();

      String insert = null;
      int flag = 0;

      String room_type;
      if (standardRoom.isSelected()) {
        room_type = "Standard";
        code = 1;
      } else if (familyRoom.isSelected()) {
        room_type = "Family";
        code = 2;
      } else {
        room_type = "Suite";
        code = 3;
      }

      // Converting string from checkin and checkout dates so that they can access the correct table
      String currentDate_checkin_getText = checkindateField.getText();
      String currentDate_checkin_rest = currentDate_checkin_getText.substring(5);
      String currentDate_checkin_replace = currentDate_checkin_rest.replace("-", "_");
      String currentDate_checkin_year = currentDate_checkin.substring(0, 4);
      String currentDate_checkin_final =
          currentDate_checkin_year + "_" + currentDate_checkin_replace;

      String currentDate_checkout_getText = checkoutdateField.getText();
      String currentDate_checkout_rest = currentDate_checkout_getText.substring(5);
      String currentDate_checkout_replace = currentDate_checkout_rest.replace("-", "_");
      String currentDate_checkout_year = currentDate_checkout.substring(0, 4);
      String currentDate_checkout_final =
          currentDate_checkout_year + "_" + currentDate_checkout_replace;

      // MySQL Statement to select tables from schema that are in between checkin and checkout range
      String tableRange =
          "SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='jeehtove_caliking' AND TABLE_NAME BETWEEN 'rooms_"
              + currentDate_checkin_final
              + "' AND 'rooms_"
              + currentDate_checkout_final
              + "';";
      ResultSet tb_Range = stmt_tableRange.executeQuery(tableRange);

      System.out.println(tableRange);
      List tb_range_list = new ArrayList();

      while (tb_Range.next()) {
        String tb_range_date = tb_Range.getString("table_name");
        tb_range_list.add(tb_range_date);
        // String current_table = tb_Range.getString("table_name");
        // System.out.println(tb_range_list.add(tb_Range.getString("table_name")));
      }

      stmt_tableRange.close();

      for (int x = 0; x < tb_range_list.size(); x++) {
        String query_checkrooms =
            "SELECT * FROM "
                + tb_range_list.get(x)
                + " WHERE type = '"
                + code
                + "' AND booked = '0' LIMIT 1;";
        // System.out.println(query_checkrooms);
        ResultSet checkrooms = stmt_checkrooms.executeQuery(query_checkrooms);
        while (checkrooms.next()) {
          String getroomnumber = checkrooms.getString("room");
          insert =
              "INSERT INTO `reservations` VALUES ('"
                  + getroomnumber
                  + "', '"
                  + checkindateField.getText()
                  + "', '"
                  + checkoutdateField.getText()
                  + "',  '"
                  + room_type
                  + "',  '"
                  + nameField.getText()
                  + "');";
          String bookroom =
              "UPDATE `"
                  + tb_range_list.get(x)
                  + "` SET booked = '1' WHERE room = '"
                  + getroomnumber
                  + "';";
          // System.out.println(insert);
          int cr = stmt_checkrooms_2.executeUpdate(bookroom);
          flag = 1;
          System.out.println("Room Booked!");
        }
      }

      if (flag == 1) {
        int rs = stmt_insert.executeUpdate(insert);
      } else {
        System.out.println("All " + room_type + " rooms are booked for the time requested.");
      }

      /*String query_checkrooms = "SELECT * FROM rooms_" + currentDate_checkin_final + " WHERE type = '" + code + "' AND booked = '0';";
      System.out.println(query_checkrooms);
      Statement stmt_checkrooms = con.createStatement();
      ResultSet checkrooms = stmt_checkrooms.executeQuery(query_checkrooms);*/

      /*if (checkrooms.next()){
      		String getroomnumber = checkrooms.getString("room");
      		String insert = "INSERT INTO `reservations` VALUES ('" + getroomnumber + "', '" +  checkindateField.getText() + "', '" +  checkoutdateField.getText() + "',  '" + room_type + "',  '" + nameField.getText() + "');";
      		String bookroom = "UPDATE `rooms_" + currentDate_checkin_final + "` SET booked = '1' WHERE room = '" + getroomnumber + "';";
      //System.out.println(insert);
      	int rs=stmt_insert.executeUpdate(insert);
      	int cr=stmt_checkrooms.executeUpdate(bookroom);
      	con.commit();
      	System.out.println("Room Booked!");
      	}*/

      // else System.out.println("All " + room_type + " rooms are booked for the time requested.");
      System.out.println("Complete.");
    } catch (Exception e) {
      System.out.println(e);
    }
  }
Ejemplo n.º 7
0
  public void actionPerformed(ActionEvent a) {

    int code = 0;
    String roomtypeCompare_arr = null;
    String roomtypeCompare_dep = null;
    if ("book".equals(a.getActionCommand())) {
      try {
        Class.forName("com.mysql.jdbc.Driver");

        // Database connection information. Please note that when porting the code, you must have
        // the jdbc Driver installed where the code is running.
        Connection con =
            DriverManager.getConnection(
                "jdbc:mysql://67.20.111.85:3306/jeehtove_caliking?relaxAutoCommit=true",
                "jeehtove_ck",
                "Z_^PBBZT+kcy");

        // The SELECT query
        String query_arr =
            "SELECT * from reservations WHERE checkin BETWEEN '"
                + checkindateField.getText()
                + "' AND '"
                + checkoutdateField.getText()
                + "'";
        String query_dep =
            "SELECT * from reservations WHERE checkout BETWEEN '"
                + checkindateField.getText()
                + "' AND '"
                + checkoutdateField.getText()
                + "'";

        Statement stmt_arr = con.createStatement();
        Statement stmt_dep = con.createStatement();
        Statement stmt_insert = con.createStatement();
        ResultSet result_arr = stmt_arr.executeQuery(query_arr);
        ResultSet result_dep = stmt_dep.executeQuery(query_dep);

        // Get room type from radio buttons
        String room_type;
        if (standardRoom.isSelected()) {
          room_type = "Standard";
          code = 1;
        } else if (familyRoom.isSelected()) {
          room_type = "Family";
          code = 2;
        } else {
          room_type = "Suite";
          code = 3;
        }

        bookRoom();
        // ResultSet rs=stmt.executeQuery("select * from emp");
        /*if (!result_arr.next() && !result_dep.next()){

        	bookRoom();

        	//Query Prep for checking for open rooms
        	/*String query_checkrooms = "SELECT * FROM makereservation_rooms WHERE type = '" + code + "' AND booked = '0';";
        	Statement stmt_checkrooms = con.createStatement();
        	ResultSet checkrooms = stmt_checkrooms.executeQuery(query_checkrooms);

        	if (checkrooms.next()){
        	String getroomnumber = checkrooms.getString("room");
        	String insert = "INSERT INTO `reservations` VALUES ('" + getroomnumber + "', '" +  checkindateField.getText() + "', '" +  checkoutdateField.getText() + "',  '" + room_type + "',  '" + nameField.getText() + "');";
        	String bookroom = "UPDATE `makereservation_rooms` SET booked = '1' WHERE room = '" + getroomnumber + "';";
        	//System.out.println(insert);
        	int rs=stmt_insert.executeUpdate(insert);
        	int cr=stmt_checkrooms.executeUpdate(bookroom);
        	con.commit();
        	System.out.println("Room Booked!");
        }

        	else System.out.println("All " + room_type + " rooms are booked for the time requested.");
        }

        else {
        	if (result_arr.next()){
        		roomtypeCompare_arr = result_arr.getString("type");
        		System.out.println("(arrival) Does " + roomtypeCompare_arr + " equal " + room_type + "?");
        		if (roomtypeCompare_arr.equals(room_type)){
        			String  checkindateDB_arr = result_arr.getString("checkin");
        			String  checkoutdateDB_arr = result_arr.getString("checkout");
        			System.out.println("There is a room booked on " +  checkindateDB_arr + " that checks out on " +  checkoutdateDB_arr + ". Please select another date.");
        		}

        		else {

        			System.out.println("Room Booked!");
        		}
        	}
        }
        	//System.out.println(query_dep);
        	if (result_dep.next()){
        		roomtypeCompare_dep = result_dep.getString("type");
        		System.out.println("(departure) Does " + roomtypeCompare_dep + " equal " + room_type + "?");
        		if (roomtypeCompare_dep.equals(room_type)){
        			String  checkindateDB_dep = result_dep.getString("checkin");
        			String  checkoutdateDB_dep = result_dep.getString("checkout");
        			System.out.println("There is a room booked on " +  checkindateDB_dep + " that checks out on " +  checkoutdateDB_dep + ". Please select another date.");
        		}

        		else {
        			System.out.println("Room Booked!");
        		}
        	}*/
        con.close();

      } catch (Exception e) {
        System.out.println(e);
      }
    }
  }
Ejemplo n.º 8
0
 /**
  * _more_
  *
  * @param sql _more_
  * @return _more_
  * @throws SQLException _more_
  */
 private Statement evaluate(String sql) throws SQLException {
   System.err.println("EVAL: " + sql);
   Statement stmt = getConnection().createStatement();
   stmt.execute(sql);
   return stmt;
 }
  public void actionPerformed(ActionEvent e) {
    String a, b, c, f, g, h, j, k, l, m, n, o, p, tol = "";

    try {
      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      con = DriverManager.getConnection("jdbc:odbc:db2");
      stm = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
    } catch (Exception error) {
      System.out.println(error);
    }

    if (e.getSource() == student) {
      name = "Student";
      cl.show(pnc, "cstu");
      try {
        rs = stm.executeQuery("Select * from Student");
        rs.next();
        t1.setText(rs.getString(1));
        t2.setText(rs.getString(2));
        t3.setText(rs.getString(3));
        t4.setText(rs.getString(4));
        t5.setText(rs.getString(5));
        t6.setText(rs.getString(6));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == teacher) {
      name = "Teacher";
      cl.show(pnc, "ctea");
      try {
        rs = stm.executeQuery("Select * from Teacher");
        rs.next();
        t11.setText(rs.getString(1));
        t12.setText(rs.getString(2));
        t13.setText(rs.getString(3));
        t14.setText(rs.getString(4));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == course) {
      name = "Course";
      cl.show(pnc, "ccou");
      try {
        rs = stm.executeQuery("Select * from Course");
        rs.next();
        t7.setText(rs.getString(1));
        t8.setText(rs.getString(2));
        t9.setText(rs.getString(3));
        t0.setText(rs.getString(4));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == result) {
      name = "Result";
      cl.show(pnc, "cres");
      try {
        rs = stm.executeQuery("Select * from Result");
        rs.next();
        t15.setText(rs.getString(1));
        t16.setText(rs.getString(2));
        t17.setText(rs.getString(3));
        t18.setText(rs.getString(4));
        t19.setText(rs.getString(5));
        t20.setText(rs.getString(6));
        t21.setText(rs.getString(7));
        t22.setText(rs.getString(8));
        t23.setText(rs.getString(9));
        t24.setText(rs.getString(10));
        t25.setText(rs.getString(11));
        t26.setText(rs.getString(12));
        t27.setText(rs.getString(13));
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b6) {
      Vector cols = new Vector();
      Vector rows = new Vector();

      if (z == 1) {
        String sql = "Select * from " + co;
        try {
          rs = stm.executeQuery(sql);
          meta = rs.getMetaData();
          for (int i = 1; i <= meta.getColumnCount(); i++) cols.addElement(meta.getColumnName(i));
          while (rs.next()) {
            Vector currow = new Vector();
            for (int i = 1; i <= meta.getColumnCount(); i++) currow.addElement(rs.getString(i));
            rows.addElement(currow);
          }
        } catch (Exception ex) {
          System.out.print(ex);
        }
        tb = new JTable(rows, cols);
        js = new JScrollPane(tb);
        pne2.remove(js);
        pne2.add(blk, "bb");
        cl2.show(pne2, "bb");
        pne2.add(js, "jjs");
        cl2.show(pne2, "jjs");
        pne2.remove(blk);
        z = 0;
      }
    }

    if (e.getSource() == b1) // **** ADD BUTTON ****//
    {
      if (name == "Student") {
        a = t1.getText();
        b = t2.getText();
        c = t3.getText();
        f = t4.getText();
        g = t5.getText();
        h = t6.getText();

        tol =
            "Insert into Student values ('"
                + a
                + "','"
                + b
                + "','"
                + c
                + "','"
                + f
                + "','"
                + g
                + "','"
                + h
                + "')";
      }

      if (name == "Teacher") {
        a = t11.getText();
        b = t12.getText();
        c = t13.getText();
        f = t14.getText();

        tol = "Insert into Teacher values ('" + a + "','" + b + "','" + c + "','" + f + "')";
      }

      if (name == "Course") {
        a = t7.getText();
        b = t8.getText();
        c = t9.getText();
        f = t0.getText();

        tol = "Insert into Course values ('" + a + "','" + b + "','" + c + "','" + f + "')";
      }

      if (name == "Result") {
        a = t15.getText();
        b = t16.getText();
        c = t17.getText();
        f = t18.getText();
        g = t19.getText();
        h = t20.getText();
        j = t21.getText();
        k = t22.getText();
        l = t23.getText();
        m = t24.getText();
        n = t25.getText();
        o = t26.getText();
        p = t27.getText();

        tol =
            "Insert into Result values ('"
                + a
                + "','"
                + b
                + "','"
                + c
                + "','"
                + f
                + "','"
                + g
                + "','"
                + h
                + "','"
                + j
                + "','"
                + k
                + "','"
                + l
                + "','"
                + m
                + "','"
                + n
                + "','"
                + o
                + "','"
                + p
                + "')";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b2) // **** DELETE BUTTON ****//
    {
      if (name == "Student") {
        b = t2.getText();
        tol = "Delete from Student where Id = '" + b + "'";
      }

      if (name == "Teacher") {
        b = t12.getText();
        tol = "Delete from Teacher where Id = '" + b + "'";
      }

      if (name == "Course") {
        b = t8.getText();
        tol = "Delete from Course where Id = '" + b + "'";
      }

      if (name == "Result") {
        b = t16.getText();
        tol = "Delete from Result where Code = '" + b + "'";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b3) // **** UPDATE BUTTON ****//
    {
      if (name == "Student") {
        a = t1.getText();
        b = t2.getText();
        c = t3.getText();
        f = t4.getText();
        g = t5.getText();
        h = t6.getText();

        tol =
            "Update Student set Name = '"
                + a
                + "', ID = '"
                + b
                + "', Dept = '"
                + c
                + "', CGPA = '"
                + f
                + "', Address = '"
                + g
                + "', Cell = '"
                + h
                + "' where ID = '"
                + b
                + "'";
      }

      if (name == "Teacher") {
        a = t11.getText();
        b = t12.getText();
        c = t13.getText();
        f = t14.getText();

        tol =
            "Update Teacher set Name = '"
                + a
                + "', ID = '"
                + b
                + "', Dept = '"
                + c
                + "', Course = '"
                + f
                + "' where ID = '"
                + b
                + "'";
      }

      if (name == "Course") {
        a = t7.getText();
        b = t8.getText();
        c = t9.getText();
        f = t0.getText();

        tol =
            "Update Course set Name = '"
                + a
                + "', Code = '"
                + b
                + "', Credit = '"
                + c
                + "', Prerecusite = '"
                + f
                + "' where Code = '"
                + b
                + "'";
      }

      if (name == "Result") {
        a = t15.getText();
        b = t16.getText();
        c = t17.getText();
        f = t18.getText();
        g = t19.getText();
        h = t20.getText();
        j = t21.getText();
        k = t22.getText();
        l = t23.getText();
        m = t24.getText();
        n = t25.getText();
        o = t26.getText();
        p = t27.getText();

        tol =
            "Update Result set Course = '"
                + a
                + "', Code = '"
                + b
                + "', Credit = '"
                + c
                + "', A = '"
                + f
                + "', B+ = '"
                + g
                + "', B = '"
                + h
                + "', C+ = '"
                + j
                + "', C = '"
                + k
                + "', D+ = '"
                + l
                + "', D = '"
                + m
                + "', F = '"
                + n
                + "', I = '"
                + o
                + "', W = '"
                + p
                + "' where Code = '"
                + b
                + "'";
        // JOptionPane.showMessageDialog(null,tol,null,JOptionPane.PLAIN_MESSAGE);
        // tol = "Update Result set Course = '"+a+"', Code = '"+b+"', Credit = '"+c+"' where Code =
        // '"+b+"'";
      }
      try {
        stm.executeUpdate(tol);
      } catch (Exception error) {
        System.out.println(error);
      }
    }

    if (e.getSource() == b4) // **** NEXT BUTTON ****//
    {
      if (name == "Student") {
        try {
          if (rs.next()) {
            t1.setText(rs.getString(1));
            t2.setText(rs.getString(2));
            t3.setText(rs.getString(3));
            t4.setText(rs.getString(4));
            t5.setText(rs.getString(5));
            t6.setText(rs.getString(6));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Teacher") {
        try {
          if (rs.next()) {
            t11.setText(rs.getString(1));
            t12.setText(rs.getString(2));
            t13.setText(rs.getString(3));
            t14.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Course") {
        try {
          if (rs.next()) {
            t7.setText(rs.getString(1));
            t8.setText(rs.getString(2));
            t9.setText(rs.getString(3));
            t0.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Result") {
        try {
          if (rs.next()) {
            t15.setText(rs.getString(1));
            t16.setText(rs.getString(2));
            t17.setText(rs.getString(3));
            t18.setText(rs.getString(4));
            t19.setText(rs.getString(5));
            t20.setText(rs.getString(6));
            t21.setText(rs.getString(7));
            t22.setText(rs.getString(8));
            t23.setText(rs.getString(9));
            t24.setText(rs.getString(10));
            t25.setText(rs.getString(11));
            t26.setText(rs.getString(12));
            t27.setText(rs.getString(13));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }
    }

    if (e.getSource() == b5) // **** PREVIOUS BUTTON ****//
    {
      if (name == "Student") {
        try {
          if (rs.previous()) {
            t1.setText(rs.getString(1));
            t2.setText(rs.getString(2));
            t3.setText(rs.getString(3));
            t4.setText(rs.getString(4));
            t5.setText(rs.getString(5));
            t6.setText(rs.getString(6));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Teacher") {
        try {
          if (rs.previous()) {
            t11.setText(rs.getString(1));
            t12.setText(rs.getString(2));
            t13.setText(rs.getString(3));
            t14.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Course") {
        try {
          if (rs.previous()) {
            t7.setText(rs.getString(1));
            t8.setText(rs.getString(2));
            t9.setText(rs.getString(3));
            t0.setText(rs.getString(4));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }

      if (name == "Result") {
        try {
          if (rs.previous()) {
            t15.setText(rs.getString(1));
            t16.setText(rs.getString(2));
            t17.setText(rs.getString(3));
            t18.setText(rs.getString(4));
            t19.setText(rs.getString(5));
            t20.setText(rs.getString(6));
            t21.setText(rs.getString(7));
            t22.setText(rs.getString(8));
            t23.setText(rs.getString(9));
            t24.setText(rs.getString(10));
            t25.setText(rs.getString(11));
            t26.setText(rs.getString(12));
            t27.setText(rs.getString(13));
          }
        } catch (Exception error) {
          System.out.println(error);
        }
      }
    }
  }
  public Design() throws Exception {
    super.setBackground(Color.BLACK);
    this.setTitle("");
    con = getContentPane();
    con.setLayout(null);
    dim = tk.getDefaultToolkit().getScreenSize();
    this.setTitle("Customer Peer Login");

    l1 = new JLabel(new ImageIcon("plain.jpg"));
    l1.setBounds(0, 0, 400, 400);
    con.add(l1);
    l1.setBorder(BorderFactory.createEtchedBorder(5, Color.black, Color.black));

    title = new JLabel("CUSTOMER PEER LOGIN ");
    title.setFont(new Font("Bookman Old Style", Font.ROMAN_BASELINE, 20));
    title.setForeground(Color.red);
    title.setBounds(80, 30, 300, 30);
    l1.add(title);

    l4 = new JLabel("CMACHINE NAME");
    l4.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l4.setForeground(Color.BLUE);
    l4.setBounds(70, 100, 160, 20);
    //	l4.setBorder(BorderFactory.createEtchedBorder(5,Color.green,Color.green));

    l1.add(l4);
    jtf2 = new JTextField();
    jtf2.setBounds(250, 100, 100, 20);
    jtf2.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));

    l1.add(jtf2);

    l2 = new JLabel("CUSER LOGIN");
    l2.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l2.setForeground(Color.blue);
    l2.setBounds(70, 150, 120, 20);
    l1.add(l2);

    jtf1 = new JTextField();
    jtf1.setBounds(250, 150, 100, 20);
    jtf1.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));

    l1.add(jtf1);

    l3 = new JLabel("CPASSWORD");
    l3.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l3.setForeground(Color.blue);
    l3.setBounds(70, 200, 120, 20);
    l1.add(l3);

    jptf1 = new JPasswordField();
    jptf1.setBounds(250, 200, 100, 20);
    jptf1.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));

    l1.add(jptf1);

    JLabel l4 = new JLabel("DAgent");
    l4.setFont(new Font("Bookman Old Style", Font.BOLD, 16));
    l4.setForeground(Color.blue);
    l4.setBounds(70, 250, 120, 20);
    l1.add(l4);

    box = new JComboBox();
    box.setBounds(250, 250, 100, 20);
    box.setBorder(BorderFactory.createEtchedBorder(5, Color.green, Color.green));
    l1.add(box);

    b2 = new JButton("Register");
    b2.setBounds(50, 300, 100, 20);
    l1.add(b2);
    b2.setBorder(BorderFactory.createEtchedBorder(10, Color.BLUE, Color.BLUE));

    b3 = new JButton("Login");
    b3.setBounds(150, 300, 100, 20);
    b3.setBorder(BorderFactory.createEtchedBorder(10, Color.BLUE, Color.BLUE));
    l1.add(b3);

    b1 = new JButton("Cancel");
    b1.setBounds(250, 300, 100, 20);
    b1.setBorder(BorderFactory.createEtchedBorder(10, Color.BLUE, Color.BLUE));

    l1.add(b1);

    b1.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent we) {

            dispose();
          }
        });

    try {

      Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      conn = DriverManager.getConnection("jdbc:odbc:agent");

    } catch (Exception exp) {

    }

    try {
      Statement satem = conn.createStatement();
      ResultSet rsatem = satem.executeQuery("select * from Dagent");
      while (rsatem.next()) {
        String namem = rsatem.getString("uname");
        box.addItem(namem);
      }

    } catch (Exception expo1) {

    }

    b2.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent we) {

            String username = jtf1.getText().trim();
            String password = jptf1.getText().trim();
            String mechine = jtf2.getText().trim();
            String dname = box.getSelectedItem().toString();
            int porte = 0;

            try {
              Statement sate = conn.createStatement();
              ResultSet rsate =
                  sate.executeQuery("select * from Dagent where uname='" + dname + "'");
              if (rsate.next()) {
                servermachine = rsate.getString("umechine");
                porte = rsate.getInt("ulistport");
                System.out.println(servermachine);
              }
              System.out.println(servermachine);

            } catch (Exception exp) {
              exp.printStackTrace();
            }

            try {
              packet p = new packet();
              p.setaction("Creg");
              p.setCuser(username);
              p.setCpass(password);
              p.setCmname(mechine);
              p.setCDpeer(dname);
              Socket soc = new Socket(servermachine, porte);
              ObjectOutputStream out = new ObjectOutputStream(soc.getOutputStream());
              out.writeObject(p);
              ObjectInputStream in = new ObjectInputStream(soc.getInputStream());
              packet rpac = (packet) in.readObject();
              if (rpac.getaction().equals("ok")) {

                JOptionPane.showMessageDialog(null, "Sucessfully Registered");

                jtf2.setText("");
                jtf1.setText("");
                jptf1.setText("");

              } else {

                JOptionPane.showMessageDialog(null, "Already Registered");
                jtf2.setText("");
                jtf1.setText("");
                jptf1.setText("");
              }

            } catch (Exception exp) {
            }
          }
        });

    b3.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent we) {

            String username = jtf1.getText().trim();
            String password = jptf1.getText().trim();
            String mechine = jtf2.getText().trim();
            String Dname = box.getSelectedItem().toString();

            int porte = 0;

            try {
              Statement sate = conn.createStatement();
              ResultSet rsate =
                  sate.executeQuery("select * from Dagent where uname='" + Dname + "'");
              if (rsate.next()) {
                servermachine = rsate.getString("umechine");
                porte = rsate.getInt("ulistport");
                System.out.println(servermachine);
              }
              System.out.println(servermachine);

            } catch (Exception exp) {

            }

            try {

              packet p1 = new packet();
              p1.setaction("clogin");
              p1.setCuser(username);
              p1.setCpass(password);
              p1.setCmname(mechine);
              p1.setCDpeer(Dname);
              Socket soc1 = new Socket(servermachine, porte);
              ObjectOutputStream out1 = new ObjectOutputStream(soc1.getOutputStream());
              out1.writeObject(p1);
              ObjectInputStream in1 = new ObjectInputStream(soc1.getInputStream());
              packet rpac1 = (packet) in1.readObject();
              if (rpac1.getaction().equals("ok")) {
                int port1 = 0;
                try {

                  int portm = rpac1.getCport();
                  System.out.println("XXXXXXX" + portm);
                  //	JOptionPane.showMessageDialog(null,"Sucessfully Started");

                  new Listen(portm);
                  new process(username, portm);
                  dispose();
                } catch (Exception exp) {
                }
              } else {
                JOptionPane.showMessageDialog(
                    null, "Enter valid username and password", "Server reply", 2);
                jtf1.setText("");
                jtf2.setText("");
                jptf1.setText("");
              }

            } catch (Exception exp) {
            }
          }
        });

    setSize(400, 400);
    show();
    setLocation(150, 100);
    setResizable(false);
  }