this tutorial will teach how to design complete UI design using java swing application with insert record into the database.
JLabel label1, label2, label3;
Define the name of the Label label1 = new JLabel(“Enter Student Name”);
JTextField text1, text2;
Define the textbox sizes text1= new JTextField(21);
JComboBox box1;
Add the items in to the combobox
box1 = new JComboBox(); box1.addItem(“VB.net”); box1.addItem(“Servlets”); box1.addItem(“Java”); box1.addItem(“EJB”);
JButton but1;
Define the name of the button
but1=new JButton(“Save”);
Set the ActionListener
but1.addActionListener(this);
import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.sql.*; public class Student extends JFrame implements ActionListener { JLabel label1, label2, label3; JTextField text1, text2; JComboBox box1; JButton but1; Connection dbcon1=null; PreparedStatement stat1=null; public Student( ) { InitDb(); createForm(); } void createForm() { label1 = new JLabel("Enter Student Name"); label2 = new JLabel("Mobile"); label3 = new JLabel("Course"); text1= new JTextField(21); text2= new JTextField(10); box1 = new JComboBox(); box1.addItem("VB.net"); box1.addItem("Servlets"); box1.addItem("Java"); box1.addItem("EJB"); but1=new JButton("Save"); but1.addActionListener(this); JPanel panel1=(JPanel)getContentPane(); panel1.setLayout(new FlowLayout()); panel1.add(label1); panel1.add(text1); panel1.add(label2); panel1.add(text2); panel1.add(label3); panel1.add(box1); panel1.add(but1); setSize(380,110); setLocation(150,150); setVisible(true); } void InitDb() { try { Class.forName("com.mysql.jdbc.Driver"); dbcon1=DriverManager.getConnection("jdbc:mysql://localhost/dbcollege","root", ""); stat1=dbcon1.prepareStatement("insert into records(stname,mobile,course) values(?,?,?)"); } catch(ClassNotFoundException cle) { System.out.println("odbc driver error occured"); } catch(SQLException sqe) { System.out.println("SQL Exception caught"); } } @Override public void actionPerformed(ActionEvent e) { String Sname=text1.getText(); String mobil=text2.getText(); String course=(String)box1.getSelectedItem(); try{ stat1.setString(1, Sname); stat1.setString(2, mobil); stat1.setString(3, course); int k=stat1.executeUpdate(); text1.setText(""); text2.setText(""); box1.setSelectedIndex(-1); text1.requestFocus(); if(k==1) { JOptionPane.showMessageDialog(this,"Insertion Successfully"); } else JOptionPane.showMessageDialog(this,"Insertion Failed"); }catch(SQLException sqe) { JOptionPane.showMessageDialog(this,sqe.toString()); } } public static void main(String[] args) { Student app1=new Student( ); } }
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