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pb1uk
Participant
February 8, 2010
Answered

Having trouble passing a parameter through a button, php

  • February 8, 2010
  • 2 replies
  • 1175 views

Hello all,

I'm new to the forum and to web design and Dreamweaver, please go a little easy on me!

I'm currently in the process of making a fantasy football website in Dreamweaver and phpmyadmin. When a user visits the site and wants to enter the competition they click register which brings up the register page. There they can fill out the form containing details username, password etc. When they click the register button at the bottom of the form their details are put into the users table in the database and they are passed onto the next page where they are asked to pick their team. The team details are kept in a seperate table in the database.

What i'm trying to do is pass the username that is created in the register form to the pick team page as a parameter.

Currently the code for my button is as follows:

<input type="submit" value="Insert record" />

and the sql for after insert goto is currently?

$insertGoTo = "pickteam.php";

In another section of the site i have passed a parameter with a link as follows:


<a href="editgoalkeeper.php?gkid_gk=<?php echo $row_rs_viewgks['gkid_gk'];?>">

but i'm not sure how to pass a parameter using a submit button, can anyone help me please?

This topic has been closed for replies.
Correct answer David_Powers

You need to use PHP sessions, and store the username as a session variable.

Begin the page that registers the user with session_start();. You can then save the username to a session variable:

session_start();
if (isset ($_POST['username'])) {
  $_SESSION['username'] = $_POST['username'];
}

Thereafter, $_SESSION['username'] will be available on any page that begins with session_start();.

2 replies

David_Powers
David_Powers
Inspiring
February 9, 2010

pb1uk wrote:

but i'm not sure how to pass a parameter using a submit button, can anyone help me please?

You can't pass a parameter using a submit button. If the value is not something that the user inserts into the form, you need to pass the value as a hidden field.

<input type="hidden" name="some_value" id="some_value"
  value="This will be passed with the form when submitted" />
P
pb1ukAuthor
Participant
February 9, 2010

Hi,

Sorry i don't think i've explained it well.

The user is filling out a form to register as a user. Part of the form requires them to enter their username. After completing the form the users details are enterred into the database and they go onto the next page requiring the user to pick their team. This page is like another insert record form as it will insert a record into the teams table of the database.

What i need to do is have the value the user enterred into the username field in the register form passed to the pick team page. This is because a users details and their teams details are held in different tables. So the username is a foreign key in the team table.

Hope that makes sense

David_Powers
David_PowersCorrect answer
Inspiring
February 9, 2010

You need to use PHP sessions, and store the username as a session variable.

Begin the page that registers the user with session_start();. You can then save the username to a session variable:

session_start();
if (isset ($_POST['username'])) {
  $_SESSION['username'] = $_POST['username'];
}

Thereafter, $_SESSION['username'] will be available on any page that begins with session_start();.

B
bregent
Participating Frequently
February 8, 2010

You pass a parameter by putting the value you want to pass into a form field.

P
pb1ukAuthor
Participant
February 8, 2010

Please pardon my ignorance, i'm still very new to web development and Dreamweaver.

Please could you give me an example of how i would go about coding the above?

B
bregent
Participating Frequently
February 8, 2010

I don't do php so I'm not sure if the reference to the dynamic data is correct, but it would be something like:

<form action="editgoalkeeper.php" method="get">
<input name="GoalKeeperID" type="text" value= <?php echo $row_rs_viewgks['gkid_gk'];?>>
<input name="submit" type="submit">
</form>

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