i have build an application and i retrieve data from the database and store it in jtable.now i have to make a checkbox column in each row and also a select all option in header but i am not able to do so.i am getting error as:- Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Boolean at javax.swing.plaf.synth.SynthTableUI$SynthBooleanTableCellRenderer.getTableCellRendererComponent(SynthTableUI.java:731) at javax.swing.JTable.prepareRenderer(JTable.java:5735) at javax.swing.plaf.synth.SynthTableUI.paintCell(SynthTableUI.java:684) at javax.swing.plaf.synth.SynthTableUI.paintCells(SynthTableUI.java:581) at javax.swing.plaf.synth.SynthTableUI.paint(SynthTableUI.java:365) at javax.swing.plaf.synth.SynthTableUI.update(SynthTableUI.java:276) at javax.swing.JComponent.paintComponent(JComponent.java:778) at javax.swing.JComponent.paint(JComponent.java:1054) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JViewport.paint(JViewport.java:731) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JLayeredPane.paint(JLayeredPane.java:585) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5228)
and code is:-
package login; import com.lowagie.text.Document; import com.lowagie.text.pdf.PdfPTable; import com.lowagie.text.pdf.PdfWriter; import java.awt.Component; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.io.File; import java.io.FileFilter; import java.io.FileOutputStream; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.Vector; import javax.swing.AbstractButton; import javax.swing.JCheckBox; import javax.swing.JFileChooser; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.UIManager; import javax.swing.filechooser.FileNameExtensionFilter; import javax.swing.table.DefaultTableModel; import javax.swing.table.JTableHeader; import javax.swing.table.TableCellRenderer; import javax.swing.table.TableColumn; import javax.swing.table.TableColumnModel; import login.DBConnectivity; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import project.engine.DBEngine;
/* * To change this template, choose Tools | Templates * and open the template in the editor. */
/** * * @author Windows XP */ public class jtable1_1 extends javax.swing.JFrame { private Vector<Vector<String>> data; //used for data from database private Vector<String> header; //used to store data header /** * Creates new form jtable1 */
ResultSet rs3;
ResultSet rs1, rs;
Connection con;
Statement st;
ResultSet rs2;
public jtable1_1() throws Exception {
DBEngine dbengine = new DBEngine();
data = dbengine.getcandidatereport();
//create header for the table
header = new Vector<String>();
header.add("check");
header.add("Name");
header.add("UserID"); //Empid
header.add("EName"); // employee position
header.add("LeadName"); // employee department
// header.add("emailID"); // header.add("IP"); // header.add("LastUpdateDate");
initComponents();
TableColumn tc = jTable1.getColumnModel().getColumn(0);
tc.setHeaderRenderer(new CheckBoxHeader(new MyItemListener()));
tc.setCellEditor(jTable1.getDefaultEditor(Boolean.class));
tc.setCellRenderer(jTable1.getDefaultRenderer(Boolean.class));
}
// public Connection dbConnection()throws Exception
// {
// Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
// String myDB ="jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=Employee.MDB";
// return DriverManager.getConnection(myDB,"","");
// }
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
//
jScrollPane1 = new javax.swing.JScrollPane();
jTable1 = new javax.swing.JTable();
jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
jTextField3 = new javax.swing.JTextField();
jTextField4 = new javax.swing.JTextField();
jTextField5 = new javax.swing.JTextField();
jTextField6 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jTable1.setModel(new javax.swing.table.DefaultTableModel(
data,header
));
jTable1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jTable1MouseClicked(evt);
}
});
jScrollPane1.setViewportView(jTable1);
jLabel1.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
jLabel1.setText("empID");
jLabel2.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
jLabel2.setText("name");
jLabel3.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
jLabel3.setText("position");
jLabel4.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
jLabel4.setText("department");
jLabel5.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
jLabel5.setText("emailID");
jLabel6.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
jLabel6.setText("IP");
jTextField1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jTextField1MouseClicked(evt);
}
});
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 239, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel4)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel5)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextField5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel6)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel1Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {jLabel1, jLabel2, jLabel3, jLabel4, jLabel5, jLabel6});
jPanel1Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {jTextField1, jTextField2, jTextField3, jTextField4, jTextField5, jTextField6});
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(jTextField5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jButton1.setText("Save as PDF");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("Save as Excel");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 660, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(238, 238, 238)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton1)
.addComponent(jButton2))))
.addContainerGap(273, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 127, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(37, 37, 37)
.addComponent(jButton1)
.addGap(18, 18, 18)
.addComponent(jButton2))
.addGroup(layout.createSequentialGroup()
.addGap(18, 18, 18)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(400, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void jTable1MouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
int row = jTable1.getSelectedRow();
jTextField1.setText(jTable1.getModel().getValueAt(row,1).toString());
jTextField2.setText(jTable1.getModel().getValueAt(row,2).toString());
jTextField3.setText(jTable1.getModel().getValueAt(row,3).toString());
// jTextField4.setText(jTable1.getModel().getValueAt(row,3).toString()); // jTextField5.setText(jTable1.getModel().getValueAt(row,4).toString()); // jTextField6.setText(jTable1.getModel().getValueAt(row,5).toString()); }
private void jTextField1MouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
// try {
// Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
// con = DriverManager.getConnection("jdbc:odbc:project", "", "");
// st = con.createStatement();
// String select = "select * from LeadMaster where UserID='" + jTextField1.getText().toString() + "'";
//
// DBConnectivity db = new DBConnectivity();
// ResultSet rs2 = db.SelectQuery(select);
// while (rs2.next()) {
// // jTextField7.setText(rs2.getString("UserID"));
// // jTextField8.setText(rs2.getString("EName"));
// // jTextField13.setText(rs2.getString("LeadName"));
//// jTextField14.setText(rs2.getString("department"));
//// jTextField10.setText(rs2.getString("emailID"));
//// jTextField11.setText(rs2.getString("IP"));
//// jTextField8.setText(rs2.getString("Deadline"));
//// jTextField10.setText(rs2.getString("IP"));
//// jTextField11.setText(rs2.getString("CurrentDate"));
// }
//
//
// } catch (ClassNotFoundException | SQLException e) {
// }
//
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
// try{
//int count=jTable1.getRowCount();
//Document document=new Document();
// PdfWriter.getInstance(document,new FileOutputStream("C:/data2.pdf"));
// document.open();
// PdfPTable tab=new PdfPTable(3);
// tab.addCell("UserID");
// tab.addCell("EName");
// tab.addCell("Lead");
//for(int i=0;i // HSSFWorkbook wb = new HSSFWorkbook();
//HSSFSheet sheet = wb.createSheet("Excel Sheet");
//int index=0;
//int count=jTable1.getRowCount();
//
//try{
//for(int i=0;i public class MyItemListener implements ItemListener { } please help..private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(jtable1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(jtable1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(jtable1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(jtable1.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
try
{
new jtable1_1().setVisible(true);
}catch(Exception e){e.printStackTrace();}
}
});
}
public void itemStateChanged(ItemEvent e) {
Object source = e.getSource();
if (source instanceof AbstractButton == false) {
return;
}
boolean checked = e.getStateChange() == ItemEvent.SELECTED;
for (int x = 0, y = jTable1.getRowCount(); x < y; x++) {
jTable1.setValueAt(new Boolean(checked), x, 0);
}
}
}
public class CheckBoxHeader extends JCheckBox implements TableCellRenderer, MouseListener {
protected CheckBoxHeader rendererComponent;
protected int column;
protected boolean mousePressed = false;
public CheckBoxHeader(ItemListener itemListener) {
rendererComponent = this;
rendererComponent.addItemListener(itemListener);
}
public Component getTableCellRendererComponent(JTable jTable1, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
if (jTable1 != null) {
JTableHeader header = jTable1.getTableHeader();
if (header != null) {
rendererComponent.setForeground(header.getForeground());
rendererComponent.setBackground(header.getBackground());
rendererComponent.setFont(header.getFont());
header.addMouseListener(rendererComponent);
}
}
setColumn(column);
rendererComponent.setText("Check All");
setBorder(UIManager.getBorder("TableHeader.cellBorder"));
return rendererComponent;
}
protected void setColumn(int column) {
this.column = column;
}
public int getColumn() {
return column;
}
protected void handleClickEvent(MouseEvent e) {
if (mousePressed) {
mousePressed = false;
JTableHeader header = (JTableHeader) (e.getSource());
JTable tableView = header.getTable();
TableColumnModel columnModel = tableView.getColumnModel();
int viewColumn = columnModel.getColumnIndexAtX(e.getX());
int column = tableView.convertColumnIndexToModel(viewColumn);
if (viewColumn == this.column && e.getClickCount() == 1 && column != -1) {
doClick();
}
}
}
public void mouseClicked(MouseEvent e) {
handleClickEvent(e);
((JTableHeader) e.getSource()).repaint();
}
public void mousePressed(MouseEvent e) {
mousePressed = true;
}
public void mouseReleased(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTable jTable1;
private javax.swing.JTextField jTextField1;
private javax.swing.JTextField jTextField2;
private javax.swing.JTextField jTextField3;
private javax.swing.JTextField jTextField4;
private javax.swing.JTextField jTextField5;
private javax.swing.JTextField jTextField6;
// End of variables declaration
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i want to display the Jtable data... how could i show jtable data on the console.
Thanks,
Prashant
Hi...*;
public class JTableToConsole extends JFrame {
public Object GetData(JTable
add XMl to JTable Hi..
i saw the program of adding add XMl to JTable using DOM parser,but i need to do that in JAXB ,is it possible to do? help me
jtable with table headers give me java code to create jtable with table headers
and by which i can scroll jtable and can retrieve height and width of the table
JTable Hi Deepak,
i m facing a problem with jtable. i am able to display the values from the database into the jtable. but not able to modifying multiple cell values in a row. also i want to store those modified
Java: Adding Row in JTable how about if we already have the JTAble created earlier.
And i just found nothing to get its DefaultTableModel, thus, I can't call insertRow() method.
Is there any work around for this?
I found
How to insert rows in jTable? Hi,
I need to take input from user using JTable. I want an empty row to appear after clicking a insert button. The values will be entered in this empty row. I have searched on this but could