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Prajakta S
Retrieve multiple data from database into Table.....
1 Answer(s)      2 years and 8 months ago
Posted in : Java Beginners


hi...........

I want to Retrieve multiple data from database into Table but i am not able to....

i am only able to retrieve one value not more than that. means

in my database i have attributes pH, phosphate, ....... month, year.........

so its allowing me to retrieve only one value only for one month not more that........

means it wil give (2,3,.........,1,2005) but only for 2005 , i want to retrieve for all the years or for all the months.....

i hope u have understand what i want to tell u..........

plz help?????????

code in java swing...........


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December 7, 2011 at 5:05 PM


import java.awt.*;
import java.sql.*;
import java.util.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.table.*;

public class JTableDatabase {
public static void main(String[] args) {
Vector columnNames = new Vector();
Vector data = new Vector();
JPanel p=new JPanel();
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:access");
String sql = "Select * from data";
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery( sql );
ResultSetMetaData md = rs.getMetaData();
int columns = md.getColumnCount();
for (int i = 1; i <= columns; i++) {
columnNames.addElement( md.getColumnName(i) );
}
while (rs.next()) {
Vector row = new Vector(columns);
for (int i = 1; i <= columns; i++){
row.addElement( rs.getObject(i) );
}
data.addElement( row );
}
rs.close();
stmt.close();
}
catch(Exception e){
System.out.println(e);
}
JTable table = new JTable(data, columnNames);
TableColumn col;
for (int i = 0; i < table.getColumnCount(); i++) {
col = table.getColumnModel().getColumn(i);
col.setMaxWidth(250);
}
JScrollPane scrollPane = new JScrollPane( table );
p.add( scrollPane );
JFrame f=new JFrame();
f.add(p);
f.setSize(600,400);
f.setVisible(true);
}
}


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