Note: This example assumes that a connection class already exists.
/**
*
Fields
**/
// Connection
variables.
Connection conn = null;
PreparedStatement pst = null;
static ResultSet rst = null;
private Vector columnNames
= new Vector();
private Vector data
= new Vector();
private JTable tblData
= new JTable();
private DefaultTableModel model;
private JPanel pnl_Data
= new
JPanel();
…
…
…
/**
*Constructor
**/
public Class(){
Connect_to_database ctb = new Connect_to_database();
conn = ctb.ConnectDb();
createTable();
…
…
…
pnl_Data.setBorder(new TitledBorder(null, "Data", TitledBorder.CENTER,
TitledBorder.TOP, null,
Color.BLUE));
pnl_Data.setBackground(Color.WHITE);
pnl_Data.setBounds(570, 11, 636, 850);
contentPane.add(pnl_Data);
}
/**
*
Load table Data Method
**/
public void reloadData(){
columnNames.clear();
data.clear();
try
{
String sql = "SELECT * FROM User_tb“;
pst = conn.prepareStatement(sql);
rst = pst.executeQuery();
ResultSetMetaData md = rst.getMetaData();
int
columns =
md.getColumnCount();
for
(int i = 1; i <= columns; i++) {
columnNames.addElement( md.getColumnName(i)
);
} while (rst.next()) {
Vector row = new Vector(columns);
for
(int i = 1; i <= columns;
i++){
row.addElement( rst.getObject(i) );
}
data.addElement( row );
}
rst.close();
pst.close();
} catch (Exception e) {
System.out.println("Error at
reloadData()" + e);
}
}
/**
*
Create table method
**/
public void createTable() {
reloadData();
try
{
model = new DefaultTableModel(data, columnNames);
tblData = new JTable(model);
tblData.setBounds(10, 829, 616, -802);
JScrollPane scroll = new JScrollPane(tblData, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
tblData.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
scroll.setBorder(null);
tblData.setBorder(null);
scroll.setPreferredSize(new Dimension(610, 809));
pnl_Data.add(scrollCPL);
} catch (Exception e) {
System.out.println("Error at
createTable()" + e);
}
}
by: Michael Lashley
