Grouping rows in jtable

Does anyone know of any examples anywhere of a way to group rows and create subtotal rows as well as total rows. In the table, I want to create a different look for the subtotal rows, possibly even with a different layout than the other rows.
For instance, My db has a list or orders for securities. I want to display in the table a row in the table for each row in the db with columns Security, quantity, and security description.
Then I want to break on security and show the total quantity for that security AND the total dividend. I also would like a group header that will display the security, so I dont have to display it on every line.
This seems like pretty basic application logic, but I cant find any examples anywhere of grouping and summing with subtotal and total headers and footers for JTable.

There is no built-in support for doing what you want. But keep in mind that the model is the heart of the JTable - do your grouping there and then notify the table when things changed. So you need a custom model that either shows or hides the subtotals (and the subheaders/footers as well). One approach would be to have a tableModel for each group and a master tableModel that' a combination of all the group table. Then let the master tableModel be the listener to the group tables (similar to the TableMap that comes with the jfc examples) update itself on showing/hiding the subtotals - and any other changes in the group table as well - and make it the model of the JTable.
Greetings
Jeanette

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TestAdvGridGrpRen.mxml
===================
<?xml version="1.0"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
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            import mx.controls.advancedDataGridClasses.AdvancedDataGridColumn;
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private var dpFlat:ArrayCollection = new ArrayCollection([
{Region:"Southwest", Territory:"Arizona",
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====================
<?xml version="1.0" encoding="utf-8"?>
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<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
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]]>
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Regards
Vicky Liu
Vicky Liu
TechNet Community Support

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if (headerRenderer instanceof DefaultTableCellRenderer) {
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Hi,
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For example if you push a button hide first row.
Thanks

One simple way you can do is:
just remove this row but keep it somewhere so that you may add it back when you want later. :-)

Selecting Row in JTable

Dear friends,
When i select a whole row in JTable it gets selected but the background color of the row selected does not change. i.e. Its not highlighted as in MS-Excel.
How can i overcome this problem?
Kindly reply
Thanks.

Hi,
Thanx for ur inputs. This is what the code i wrote. When u run this code,
If we select row1 column1 the cells highlighted will be on row 2, 3 and 4. If we select row1 column 2 the selected cells will be on row 1, 3 and 4. I want the row to be selected fully when we select coumn 1 only.
For eg. if i select row 200 from column 1 the 200 th row should only be fully highlighted
Anyway i'll try the above code and check
Here is the code
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
public class table1 extends JFrame
     // Variables declaration
     private JTable jTable1;
     private JScrollPane jScrollPane1;
     private JPanel contentPane;
     // End of variables declaration
     public table1()
          super();
          this.setVisible(true);
     private void initializeComponent()
          jTable1 = new JTable();
          jScrollPane1 = new JScrollPane();
          contentPane = (JPanel)this.getContentPane();
          jTable1.setModel(new DefaultTableModel(4, 4));
          jScrollPane1.setViewportView(jTable1);
          contentPane.setLayout(null);
          addComponent(contentPane, jScrollPane1, 58,65,301,207);
          this.setTitle("table1 - extends JFrame");
          this.setLocation(new Point(0, 0));
          this.setSize(new Dimension(473, 539));
     private void addComponent(Container container,Component c,int x,int
y,int width,int height)
          c.setBounds(x,y,width,height);
          container.add(c);
     } Thanks again

Grouping rows in jtable

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