Employee-Management-System/AssignProjectFrame.java at main · Varshitha1110006/Employee-Management-System · GitHub

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package com.ems.gui.employee;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import javax.swing.JOptionPane;

import com.ems.db.DBConnection;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;

import java.awt.Font;

public class SearchDepartmentFrame extends JFrame {

    public SearchDepartmentFrame() {

        setTitle("Search By Department");

        setSize(600, 400);

        setLocationRelativeTo(null);

        setLayout(null);

        setDefaultCloseOperation(
                JFrame.DISPOSE_ON_CLOSE);

        JLabel titleLabel =
                new JLabel(
                        "SEARCH BY DEPARTMENT"
                );

        titleLabel.setBounds(
                100,
                30,
                400,
                40);

        titleLabel.setFont(
                new Font(
                        "Arial",
                        Font.BOLD,
                        24));

        add(titleLabel);

        JLabel departmentLabel =
                new JLabel(
                        "Department"
                );

        departmentLabel.setBounds(
                100,
                120,
                100,
                30);

        add(departmentLabel);

        JTextField departmentField =
                new JTextField();

        departmentField.setBounds(
                220,
                120,
                180,
                30);

        add(departmentField);

        JButton searchButton =
                new JButton(
                        "Search"
                );

        searchButton.setBounds(
                220,
                200,
                120,
                35);

        add(searchButton);
        searchButton.addActionListener(e -> {

            try {

                String department =
                        departmentField.getText();

                Connection con =
                        DBConnection.getConnection();

                String query =
                        "select * from employee where department = ?";

                PreparedStatement ps =
                        con.prepareStatement(query);

                ps.setString(
                        1,
                        department
                );

                ResultSet rs =
                        ps.executeQuery();

                String result = "";

                while(rs.next()) {

                    result +=
                            "ID : "
                            + rs.getInt("employee_id")
                            + "\nName : "
                            + rs.getString("name")
                            + "\nSalary : "
                            + rs.getDouble("salary")
                            + "\nDepartment : "
                            + rs.getString("department")
                            + "\nDesignation : "
                            + rs.getString("designation")
                            + "\n\n";
                }

                if(result.equals("")) {

                    JOptionPane.showMessageDialog(
                            null,
                            "No Employees Found"
                    );

                } else {

                    JOptionPane.showMessageDialog(
                            null,
                            result
                    );
                }

                con.close();

            } catch(Exception ex) {

                ex.printStackTrace();
            }
        });

        setVisible(true);
    }
}