Java

Java Mysql simple project in Eclipse

This JDBC will teach you how to do the search in Eclipse using Mysql Database.

First Step :  Establish the database connection in order to connect java and mysql. i attached the code below.

Connection con;
PreparedStatement pst;
public void Connect()
    {
        try 
        {
            Class.forName("com.mysql.jdbc.Driver");
            con = DriverManager.getConnection("jdbc:mysql://localhost/bill", "root","");
        }
        catch (ClassNotFoundException ex) 
        {
          ex.printStackTrace();
        }
        catch (SQLException ex) 
        {
          ex.printStackTrace();
        }

    }

after Established the database connection call the connect() method inside the constructor of class.

        public Seach() 
        {
  initialize();
  Connect();
 }

After done the connection part. select the find button.paste the following code inside the  addActionListener of the find button

public void actionPerformed(ActionEvent e)
 {
    
    String Billno = txtbno.getText();
    
  try 
                   {
      pst = con.prepareStatement("SELECT name,balance from purchase where id=?");
      pst.setString(1,Billno);
     
      ResultSet rs1=pst.executeQuery();

      if(rs1.next()==false)
       {
   JOptionPane.showMessageDialog(null,"Bill not found!");
   txtname.setText("");
   txtbal.setText("");
   txtbno.requestFocus(); 
        }
   else
   {
   String name = rs1.getString(1);
   String balance = rs1.getString(2);
   txtname.setText(name.trim());
   txtbal.setText(balance);
     
          }
   } 
                        catch (SQLException e1) 
                        {  
      e1.printStackTrace();
   }
}

i have attached the video link below. which will do this tutorials step by step.

 

 

admin

Recent Posts

Conditional Statements in Python

Conditional statements in Python allow us to control the flow of execution based on conditions.…

3 weeks ago

Java Beans

A Java Bean is a reusable software component that follows a specific set of conventions.…

3 weeks ago

Java String Methods

Java provides a rich set of built-in methods for handling String operations efficiently. Since strings…

3 weeks ago

Java Developer Jobs

Java remains one of the most in-demand programming languages worldwide, powering everything from enterprise applications…

3 weeks ago

Converting Integer to String in Java

Java provides multiple ways to convert an integer (int) to a string (String). Whether you're…

3 weeks ago

JSP to JSP Communication: A Complete Guide to Dynamic Java Web Development

Java Server Pages (JSP) is a powerful technology used to develop dynamic web applications by…

4 weeks ago