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  1. 03-31-2010, 11:20 AM #1
    kiki2009
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    Question how to add JScrollPane in JTable

    :confused: How to add JScrollPane in JTable , and use GridBagLayout to set the JScrollpane in the right side of the JTable.
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  2. 03-31-2010, 12:00 PM #2
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    programmer_007
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    U can pass the object of JTable into the constructor of JScrollPane,,

    code will look something like .
    Java Code: 
    DefaultTableModel tablemodel = new DefaultTableModel(); // to get default tablemodel

tablemodel.addColumn(); // u can add colums,

JTable table = new JTable(tablemodel); // create table

table.setRowHeight(); //set rowheights

JScrollPane scroll = new JScrollPane(table); // add scrollpane
    see documentation.. for more..
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  3. 03-31-2010, 12:19 PM #3
    kiki2009
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    Exclamation

    DefaultTableModel tablemodel = new DefaultTableModel(); // to get default tablemodel

    tablemodel.addColumn(); // u can add colums,

    JTable table = new JTable(tablemodel); // create table

    table.setRowHeight(); //set rowheights

    JScrollPane scroll = new JScrollPane(table); // add scrollpane

    **************
    but if i use GridBagLayout the JScrollpane appear in the right side of the table but the table is not scroll when i try to scroll it, also when i add more data in the table the table get resized.
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  4. 03-31-2010, 12:25 PM #4
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    lets debug ur code .. post ur efforts here
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  5. 03-31-2010, 12:58 PM #5
    kiki2009
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    Quote Originally Posted by programmer_007 View Post
    lets debug ur code .. post ur efforts here
    Here is my code please check it , i can't use the scroll, it appeared but useless.

    import javax.swing.*;
    import java.awt.*;
    import javax.swing.table.*;

    public class table extends JFrame {

    public table() {

    JFrame jframe = new JFrame();


    JPanel tablepanel = new JPanel();

    String data[][] = {
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    {"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
    };
    String col[] = {"Name","Surname","Address","Phone No","Bill No","Batch No","Quality","Date","Rate","Amount"};

    DefaultTableModel model = new DefaultTableModel(data,col);
    JTable jtable = new JTable(model);
    jtable.setSelectionForeground(Color.RED);
    jtable.setSelectionBackground(Color.BLUE);

    JScrollPane tableScrollPane = new JScrollPane(jtable);
    tableScrollPane.setVerticalScrollBarPolicy(JScroll Pane.VERTICAL_SCROLLBAR_ALWAYS);
    tableScrollPane.setHorizontalScrollBarPolicy(JScro llPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);


    JPanel paneltry = new JPanel();

    JButton delete = new JButton("Delete");
    delete.setBounds(10,100,100,50);

    JButton update = new JButton("Update");
    update.setBounds(10,150,100,50);

    paneltry.setBorder(BorderFactory.createTitledBorde r(""));
    paneltry.setLayout(new GridBagLayout());

    paneltry.add(delete, new GridBagConstraints(1, 0, 1, 1, 0, 0, GridBagConstraints.BELOW_BASELINE_LEADING, GridBagConstraints.NONE, new Insets(5, 5, 0, 0), 0, 0));
    paneltry.add(update, new GridBagConstraints(3, 0, 2, 1, 0, 0, GridBagConstraints.BELOW_BASELINE_LEADING, GridBagConstraints.NONE, new Insets(5, 5, 0, 0), 0, 0));

    JPanel testpanel = new JPanel();

    testpanel.add(tablepanel, new GridBagConstraints(0, 0, 1,1, 0.0, 0.0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(5, 5, 0, 0), 0, 0));
    testpanel.add(paneltry, new GridBagConstraints(0, 1, 13, 1, 0.0, 0.0, GridBagConstraints.BELOW_BASELINE_LEADING, GridBagConstraints.NONE, new Insets(5, 5, 0, 0), 0, 0));


    tablepanel.setBorder(BorderFactory.createTitledBor der("Table"));
    tablepanel.setLayout(new GridBagLayout());
    tablepanel.add(tableScrollPane, new GridBagConstraints(1, 1, 0, 0, 1, 1, GridBagConstraints.NORTHEAST, GridBagConstraints.VERTICAL, new Insets(5,5,5,5), 0, 0));
    tablepanel.add(jtable.getTableHeader(), new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    tablepanel.add(jtable, new GridBagConstraints(0, 2, 0, 1, 0.0, 0.0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    tablepanel.add(new JPanel(), new GridBagConstraints(0, 1, 1, 0, 1, 1, GridBagConstraints.NORTHWEST, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 0), 0, 0));


    jframe.add(testpanel);
    jframe.setSize(800,600);
    jframe.setLocation(150,90);
    jframe.setVisible(true);

    }

    public static void main(String args[]){

    new table();
    }
    }
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  6. 03-31-2010, 01:00 PM #6
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    something is missing in with ur code .. that turned me off ..

    uknow wht? code tags.. next time.use it.
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  7. 03-31-2010, 01:06 PM #7
    kiki2009
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    Quote Originally Posted by programmer_007 View Post
    something is missing in with ur code .. that turned me off ..

    uknow wht? code tags.. next time.use it.
    ok , so what have i missed in that, and why the scroll is not working.
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  8. 03-31-2010, 01:08 PM #8
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    here is a small example code for the proper working of scrollPane with demo rows and colums. hope u can debug ur code with help of these. Run it and see.
    Java Code: 
    import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;
import javax.swing.table.DefaultTableModel;

import java.sql.*;
import java.util.Vector;

public class Report extends JFrame 
{   
	
	JButton print_report;
	
	public static void main(String []args) throws Exception
	{
		Report r = new Report();

		
	}

	
	
	private GridBagConstraints getConstraints(int gridx, int gridy,int gridwidth, int gridheight, int anchor)
	{
		GridBagConstraints c =new GridBagConstraints();
		c.insets = new Insets(10,10,10,10);
		c.ipadx = 0;
		c.ipady = 0;
		c.gridx = gridx;
		c.gridy = gridy;
		c.gridwidth = gridwidth;
		c.gridheight = gridheight;
		c.anchor = anchor;
		return c;
	}
	public Report()throws Exception//constructor for creating frame
	{
		setTitle("Retrive Information");//sets title to frame
		Toolkit tk = Toolkit.getDefaultToolkit();
	    Dimension d = tk.getScreenSize();
		setSize(500,500);
		setVisible(true);
		setResizable(false);//can b resized by user
		
		
		DefaultTableModel tablemodel = new DefaultTableModel();
		for(int i =0;i<=30;i++)
		{	
			tablemodel.addColumn(i);	
		}
		
		
		JTable table = new JTable(tablemodel);
		table.setRowHeight(25);
		
		JScrollPane scroll = new JScrollPane(table);
		scroll.createHorizontalScrollBar();
		JPanel panel = new JPanel();
		panel.setLayout(new BorderLayout());
		panel.add(scroll,BorderLayout.CENTER);

		JPanel header_P = new JPanel();
		header_P.setLayout(new GridBagLayout());

		print_report = new JButton("PRINT");
		print_report.addActionListener(new ButtonHandler());
		panel.add(print_report,BorderLayout.SOUTH);

		Container contentPane = getContentPane();
		contentPane.add(panel);
		for(int i =1;i<30;i++)
		{	
			Vector data = new Vector();
			data.addElement("ss");
			tablemodel.addRow(data);
		}
	}

}; 
class ButtonHandler implements ActionListener
{

	@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		
	}
}
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  9. 03-31-2010, 01:33 PM #9
    kiki2009
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    thank pow. How about helping me out with ComboBox to choose a date from a calendar
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  10. 03-31-2010, 01:41 PM #10
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    just played a bit with ur code.. run it, now.. it will meet ur requirement..

    Java Code: 
    import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;
import javax.swing.table.DefaultTableModel;

import java.sql.*;
import java.util.Vector;

public class Report extends JFrame 
{   
	
	
	
	public static void main(String []args) throws Exception
	{
		Report r = new Report();

		
	}

	
	
	private GridBagConstraints getConstraints(int gridx, int gridy,int gridwidth, int gridheight, int anchor)
	{
		GridBagConstraints c =new GridBagConstraints();
		c.insets = new Insets(10,10,10,10);
		c.ipadx = 0;
		c.ipady = 0;
		c.gridx = gridx;
		c.gridy = gridy;
		c.gridwidth = gridwidth;
		c.gridheight = gridheight;
		c.anchor = anchor;
		return c;
	}
	public Report()throws Exception//constructor for creating frame
	{
		setTitle("Retrive Information");//sets title to frame
		Toolkit tk = Toolkit.getDefaultToolkit();
	    Dimension d = tk.getScreenSize();
		
		
		String data[][] = {
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","first"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","23.90"},
				{"me","Ldoh","Nongthymmai","23432342","123","201", "Cool","02/08/2010","23.90","last"},
				};
				String col[] = {"Name","Surname","Address","Phone No","Bill No","Batch No","Quality","Date","Rate","Amount"};
		
		DefaultTableModel tablemodel = new DefaultTableModel();
		for(int i =0;i<col.length;i++)
		{	
			tablemodel.addColumn(col[i]);	
		}
		
		
		JTable table = new JTable(tablemodel);
		table.setRowHeight(25);
		
		JScrollPane scroll = new JScrollPane(table);
		scroll.createHorizontalScrollBar();
		JPanel panel = new JPanel();
		panel.setLayout(new BorderLayout());
		panel.add(scroll,BorderLayout.CENTER);

		JPanel header_P = new JPanel();
		header_P.setLayout(new GridBagLayout());

		JButton delete = new JButton("delete");
		delete.addActionListener(new ButtonHandler());
		
		JButton update = new JButton("Update");
		update.addActionListener(new ButtonHandler());
		
		JPanel buttonPanel = new JPanel();
		buttonPanel.add(delete);
		buttonPanel.add(update);
		
		
		panel.add(buttonPanel,BorderLayout.SOUTH);

		Container contentPane = getContentPane();
		contentPane.add(panel);
		
		System.out.println(data.length);
		System.out.println(col.length);
		int i=0;
		while(i<data.length)
		{	
			Vector data1 = new Vector();
			int j=0;
			while(j<col.length)
			{
			data1.addElement(data[i][j]);
			j++;
			}
			tablemodel.addRow(data1);
			i++;
			
		}
		setSize(600,500);
		setVisible(true);
		setResizable(false);//can b resized by user		
		
		
	}

}; 
class ButtonHandler implements ActionListener
{

	@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		
	}
}
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  11. 03-31-2010, 01:44 PM #11
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    programmer_007
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    thank pow.
    NP..

    How about helping me out with ComboBox to choose a date from a calendar
    Dude do u have API documentation?.. see JComboBox and Calender classes..

    Generate some code.. urself.. and give it to me .. i will play with it .. if u fail to play.
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  12. 03-31-2010, 01:47 PM #12
    kiki2009
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    wow !!!!!!!!!!! that great pow. u really help who are in need.
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  13. 03-31-2010, 01:54 PM #13
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    pow
    by da way .. m a "southpow". dont know .. google it
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