Tuesday, March 20, 2018

Delete data from sql server in Java


In this tutorial, you will be able to learn to delete the data stored in SQL database using Java.

Please watch the video because there are some task to be done beside code

Code to Delete data from sql server in Java

 private void deleteBtnActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
          try{
            Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
            String url="jdbc:sqlserver://localhost:1433;databaseName=testdb;user=sa;password=orchid";
            Connection con = DriverManager.getConnection(url);
            int row= jTable_Display_User.getSelectedRow();
            String value=(jTable_Display_User.getModel().getValueAt(row, 0).toString());
            String query="DELETE FROM users where sno="+value;
            PreparedStatement pst = con.prepareStatement(query);
            pst.executeUpdate();
            DefaultTableModel model = (DefaultTableModel)jTable_Display_User.getModel();
            model.setRowCount(0);
            show_user();
            JOptionPane.showMessageDialog(null,"Deleted Successfully!");
          }
          catch(Exception e){
            JOptionPane.showMessageDialog(null, e);
        }
    } 

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