These are my codes for my jTable in java swing.
private JTable getJTable() {
if (jTable == null) {
Vector columnNames = new Vector(); //Vector class allows dynamic array of objects
Vector data = new Vector();
JPanel panel = new JPanel();
panel.setSize(new Dimension(198, 106));
try {
DBController db = new DBController();
db.setUp("IT Innovation Project");
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance();
String dsn = "IT Innovation Project";
String s = "jdbc:odbc:" + dsn;
Connection con = DriverManager.getConnection(s, "", "");
String sql = "Select * from forumTopics";
java.sql.Statement statement = con.createStatement();
ResultSet resultSet = statement.executeQuery(sql);
ResultSetMetaData metaData = resultSet.getMetaData();
int columns = metaData.getColumnCount();
for (int i = 1; i <= columns; i++) {
columnNames.addElement(metaData.getColumnName(i));
}
while (resultSet.next()) {
Vector row = new Vector(columns);
for (int i = 1; i <= columns; i++) {
row.addElement(resultSet.getObject(i));
}
data.addElement(row);
}
resultSet.close();
((Connection) statement).close();
} catch (Exception e) {
System.out.println(e);
}
jTable = new JTable(data, columnNames);
TableColumn column;
for (int i = 0; i < jTable.getColumnCount(); i++) {
column = jTable.getColumnModel().getColumn(i);
column.setMaxWidth(250);
}
String header[] = {"description", "title", "category", "posted by"};
for(int i=0;i<jTable.getColumnCount();i++) {
TableColumn column1 = jTable.getTableHeader().getColumnModel().getColumn(i);
column1.setHeaderValue(header[i]);
}
jTable.setBounds(new Rectangle(82, 218, 736, 292));
jTable.setEnabled(false);
jTable.setRowHeight(50);
jTable.getRowHeight();
}
return jTable;
}
I set an array for the header of my table. However, the program only shows the data inside my database without any header. Can somebody please enlighten me? Thanks in advance.
