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How can I show records on a JOption Window instead of a println?

Posted on 2008-10-20
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Last Modified: 2012-05-05
I have the input from the user as JOption but how can I show the results also on a JOption Window inested of the println code?

            while ( rs.next() ) {
                String itemidvar = rs.getString("itemid");
                System.out.println(itemidvar);
                String itemnamevar = rs.getString("itemname");
                System.out.println(itemnamevar);
            }


import java.sql.*; 

import javax.swing.*;

public class NewClass {

    

 

  

    public static void main (String[] args) { 

        String itemnamestr;

        

        itemnamestr = JOptionPane.showInputDialog(null, "Enter item name.");

 

        try { 

            String url = "jdbc:mysql://localhost:3306/test1"; 

            Connection conn = DriverManager.getConnection(url,"root","dragon77"); 

            Statement stmt = conn.createStatement(); 

            ResultSet rs; 

  

            rs = stmt.executeQuery("SELECT itemid, itemname FROM inventorytable WHERE itemname = '"+itemnamestr +"'"); 

            

            while ( rs.next() ) { 

                String itemidvar = rs.getString("itemid"); 

                System.out.println(itemidvar); 

                String itemnamevar = rs.getString("itemname"); 

                System.out.println(itemnamevar); 

            } 

            conn.close(); 

        } catch (Exception e) { 

            System.err.println("Got an exception! "); 

            System.err.println(e.getMessage()); 

        } 

    } 

}

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Question by:glynco
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3 Comments
 
LVL 20

Accepted Solution

by:
chaitu chaitu earned 500 total points
ID: 22764205
write a one custom object like Item class.i dont know swing but generic logic is like this...

public class Item
{
private String itemId;
private Sring itemName;

write setter and getter methods;


}
initilize arraylist here;

ArrayList al = new ArrayList();

while ( rs.next() ) { 

                String itemidvar = rs.getString("itemid"); 

                String itemnamevar = rs.getString("itemname"); 

      Item it = new Item();

it.setItemId(itemidvar);

it.setItemNamevar(itemnamevar);

al.add(it);
 

            } 
 

for loop this arraylist in ur JOption Window 
 

like (int i=0;i<al.size();i++)

{

Item it= (Item)al.get(i):

print these values

it.getItemId();

it.getItemName();

}

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Author Comment

by:glynco
ID: 22764236
I need the correct syntax because I am still a beginner learning. I can also do it on Netbeans IDE 6.1
0
 
LVL 20

Expert Comment

by:chaitu chaitu
ID: 22764260
0

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