[FIXED] Retrieving unique HTML form input in Java Servlet

Issue

I'm stuck at a crossroads trying to figure out how to address a problem I need to solve.

I have a table (HTML) that looks like this:

+----+------------+----------+---------------------+----------+
| id | filename   | uploader | upload_time         | DELETE?  |
+----+------------+----------+---------------------+----------+
|  1 | backup.txt | user1    | 2014-06-10 13:39:41 | [BTN]    |
|  2 | test.txt   | user2    | 2014-06-11 16:57:01 | [BTN]    |
+----+------------+----------+---------------------+----------+

The problem comes into play with the last column. When the user clicks a button, I need to determine the row, and send that data to a servlet.

I know how to handle everything in the servlet and beyond, but I don't know how I can send data to the servlet so it knows which button the user clicks on.

Can anyone suggest a good method to go about this?

Solution

Create a form for each button, with hidden input that contain the id :

Button 1 :

<form action="/yourServlet" method="POST">
   <input name="id" type="hidden" value="1">
   <input type="submit" value="delete 1">
</form>

Button 2 :

<form action="/yourServlet"  method="POST">
   <input name="id" type="hidden" value="2">
   <input type="submit" value="delete 2">
</form>

Answered By - Mifmif
Answer Checked By - Katrina (JavaFixing Volunteer)