can you help me ! error Jtabel getSelectRow

[linuxdoanpham]

package roleView;

import java.awt.BorderLayout;
import java.sql.SQLException;
import java.util.Vector;

import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import net.linuxdp.java.controller.RoleController;
import net.linuxdp.java.daoConfig.SqlConnection;
import net.linuxdp.java.model.RoleModel;

@SuppressWarnings("serial")
public class RoleList extends JPanel {

private TableModel model = new TableModel();
JTable tableRole = new JTable();
JScrollPane jspList = new JScrollPane();
SqlConnection connection = new SqlConnection();

public RoleList() {
loadRole();
setLayout(new BorderLayout());
tableRole.setModel(model);
jspList.setViewportView(tableRole);
add(jspList);
}

public void loadRole() {
try {
for (RoleModel user : RoleController.instance.allRoles()) {
model.insertRow(0, user.toArray());
}
} catch (SQLException e) {
e.printStackTrace();
}
}

@SuppressWarnings("rawtypes")
public void editRole() {
int[] listRole = tableRole.getSelectedRows();
System.out.println("selected rows: " + listRole.length);
System.out.println("selected rows: " + tableRole.getSelectedRows());
if (listRole.length == 0) {
JOptionPane.showMessageDialog(null, "No row is select");
} else if (listRole.length > 1) {
JOptionPane.showMessageDialog(this, "Only choise 1 row to update");
} else {
Vector rowRole = new Vector();
int i = tableRole.getSelectedRow();
rowRole = (Vector) connection.vRow.get(i);

for(int j = 0;j<rowRole.size();j++){
System.out.println(j + " . " + rowRole.get(j));
}
new editRolePanel();
}
}

public class TableModel extends DefaultTableModel {

private static final long serialVersionUID = 1L;

public TableModel() {
super(new Object[][] {}, new String[] { "ID","Name", "Description" });
}

@Override
public boolean isCellEditable(int row, int column) {
return false;
}

}
}

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[DarrylBurke]

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[linuxdoanpham]

My DB :
CREATE TABLE Roles(
RoleID INT IDENTITY(1,1) CONSTRAINT PK_Roles PRIMARY KEY,
RoleName NVARCHAR(100),
Description NVARCHAR(200)
);

then I run data , view data Ok

But then I select 1 colum and click Button , message show
JOptionPane.showMessageDialog(null, "No row is select");
I don't know error where .

[DarrylBurke]

To get better help sooner, post a SSCCE (Short, Self Contained, Compilable and Executable) example that demonstrates the problem.

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