I want to add data manually into multiple rows in my jtable. I'm working on netbeans 8.0

Question

this is my code. what happens is when i select a record and click on a button that record is added to all the fields. Thus im not able to feed more than 1 row in my jtable. i want to enter the data and then change the row so that more data can be entered. i know i am doing something wrong, i just cant find it out.

public void gencode(String a1, String a2, String a3,String a4, String a5){
    int i=0;
    for(i=0;i<15;i++)
    {
       jTable1.setValueAt(a1, i, 0);
       jTable1.setValueAt(a2, i, 1);
       jTable1.setValueAt(a3, i, 2);
       jTable1.setValueAt(a4, i, 3);
       jTable1.setValueAt(a5, i, 4);
    }
}

If you put it in for loop that is what will happen.What else you expect from your code — Madhan, Jun 30 '15 at 09:01
then what changes should i do so that it feeds the value in only 1 row and then changes its column. ? — Anmol Khanna, Jun 30 '15 at 09:28
@AnmolKhanna how much rows your jtable have initially ?? do you want to add new rows with values ?or do you want to fill exsiting rows one by one? — Madhawa Priyashantha, Jun 30 '15 at 09:33
@Fast Snail I have 15 rows in my table. i want to manually fill these rows with data. when i select a data row and press a button the data should get added to the table. but i can do it for only 1 row while i want to do it for multiple — Anmol Khanna, Jun 30 '15 at 09:36
@FastSnail i know how to get the index, but how do i pass it properly ? — Anmol Khanna, Jun 30 '15 at 09:43
ok @AnmolKhanna first tell me from which values you want to fill the table — Madhawa Priyashantha, Jun 30 '15 at 09:45
i have a frame1 from which i enter data and save it to a database. i have another table in the first frame which shows all the data from my database. when i select a row from my table in frame1 and click on a button, the data is set to a table2 in another frame. till now things are working fine. but if i want to add more than one row to the table in frame2, i am not able to do that — Anmol Khanna, Jun 30 '15 at 09:47
@AnmolKhanna ok but why this for loop?? you should declare this index variable as a instance variable not a local. and you remove the for loop.that's it — Madhawa Priyashantha, Jun 30 '15 at 09:56
if i remove the for loop, i can indeed feed the data to the table. but when i select another row to feed in the table, the previous selected row gets replaced. @Fast Snail — Anmol Khanna, Jun 30 '15 at 09:58
@AnmolKhanna nope.how could it happen?? you send data from table to this table.right? this is your sub table right??this is example i'm taking about http://pastebin.com/EvZpm8H1 .you send values to this method it fill firstrow .and you again send data to this method and method fill second row.so on — Madhawa Priyashantha, Jun 30 '15 at 10:03
@Fast Snail that is the problem. it isnt filling the second row. my first row data gets replaced ! — Anmol Khanna, Jun 30 '15 at 10:05
@AnmolKhanna if first row get replaced that mean `jTable1.setValueAt(a1, i, 0)` `i ==0 ` which mean you create a index variable inside the `gencode()` method .or you don't increment it.did you at least try the code i posted in pastebin — Madhawa Priyashantha, Jun 30 '15 at 10:08
@Fast Snail i tried exactly the same code. moreover, in your code, there are two diff variables i and index ! — Anmol Khanna, Jun 30 '15 at 10:11
and changing it to only one variable, the same happens. my first row gets replaced — Anmol Khanna, Jun 30 '15 at 10:13
@AnmolKhanna oops i'm sorry about that .there shouldn't 2 variables ..only i know index .this is it http://pastebin.com/EvZpm8H1 — Madhawa Priyashantha, Jun 30 '15 at 10:15
ok @AnmolKhanna upload a snap shot here http://imgur.com/ ,there is know way to replace first row — Madhawa Priyashantha, Jun 30 '15 at 10:18
see @FastSnail http://anmolkhanna.imgur.com/all/?third_party=1 — Anmol Khanna, Jun 30 '15 at 10:22
@AnmolKhanna `AnmolKhanna's images are not publicly available. `. change privacy — Madhawa Priyashantha, Jun 30 '15 at 10:25
@AnmolKhanna you should find where it occurs.i can't tell without seeing your code. — Madhawa Priyashantha, Jun 30 '15 at 10:36
@FastSnail Its showing me an error where there cant possibly be any error — Anmol Khanna, Jun 30 '15 at 11:04
@FastSnail the problem is, everytime i enter something into a table, a new frame opens up with its value at the 0th row — Anmol Khanna, Jul 01 '15 at 08:15
@AnmolKhanna could you post your all codes to pastebin.com ?then i can take a look — Madhawa Priyashantha, Jul 01 '15 at 08:28

I want to add data manually into multiple rows in my jtable. I'm working on netbeans 8.0

0 Answers0