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Thread: insert data through gui application (JFrame)

  1. #1
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    Default insert data through gui application (JFrame)

    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    import java.sql.*;

    class InsertData extends Frame implements ActionListener

    {
    JLabel sno,sname,sadd;
    JTextField tno,tname,tadd;
    JButton Insert;
    Connection con;
    PreparedStatement ps;
    ResultSet rs;

    InsertData()

    {
    setLayout(new FlowLayout());
    setSize(200,200);
    sno=new JLabel("student number");
    sname=new JLabel("student name");
    sadd=new JLabel("student address");
    tno=new JTextField(15);
    tname=new JTextField(15);
    tadd=new JTextField(15);
    Insert=new JButton("Insert");

    sno. add(sno);
    tno.add(tno);
    sname.add(sname);
    tname.add(tname);
    sadd.add(sadd);
    tadd.add(tadd);
    Insert.add(Insert);
    Insert.addActionListener(this);
    //create jdbc connection
    try
    {



    Class.forName("oracle.jdbc.driver.OracleDriver");
    con=DriverManager.getConnection("jdbcracle:thin:@localhost:1521rcl","scott","tiger");
    //make sql query as pre.compiled sql query
    PreparedStatement ps=con.prepareStatement("insert into student values(?,?,?)");

    }
    catch (Exception e)
    {
    e.printStackTrace();
    }
    }
    public void actionPerformed(ActionEvent ae)
    {
    try
    {
    String sno=tno.getText();
    String sname=tname.getText();
    String sadd=tadd.getText();
    ps.setString(1,sno);
    ps.setString(2,sname);
    ps.setString(3,sadd);
    ps.executeQuery();



    }
    catch (Exception e)
    {
    e.printStackTrace();
    }
    rs.close();
    ps.close();
    con.close();

    }
    }
    class InsertDemo
    {
    public static void main(String args[]) throws Exception
    {
    InsertData io=new InsertData();
    io.setVisible(true);

    }
    }
    compile time error
    unreported exception at rs.close(),ps.close(),con.close() ;;;;;


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: insert data through gui application (JFrame)

    compile time error
    Please copy the full text of the compiler's error message and post it here.

    Please edit your post and wrap your code with
    [code=java]
    <YOUR CODE HERE>
    [/code]
    to get highlighting and preserve formatting.
    If you don't understand my answer, don't ignore it, ask a question.

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