Doing a comparison of records

Good evening, I was wondering how someone would go about comparing multiple records on a web page. For example:

If a page has 10 records on it and there was a checkbox next to each record. If 3 of the boxes where checked and someone clicked next they would be sent to a page that would compare those 3 records side by side with any of the informaiton from the database.

If this is extremely difficult please let me know ahead of time. I am hoping someone has an example to show me how to do this. If not just let me know. Thank you for your time and have a great evening.

Rob
pertrai1Asked:
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Loganathan NatarajanLAMP DeveloperCommented:
what i could understand from you questions is, from the 10 records you select 3 records and take it to next page ... here want to compare with db these 3 records??? am i correct?
0
pertrai1Author Commented:
Yes that is exactly what I want to do
0
Loganathan NatarajanLAMP DeveloperCommented:
i assume in the page1.php ... check box contains (like mail in box display)....

<form name="frm1" method="post">
...
<INPUT TYPE="checkbox" NAME="s[]" VALUE="A" CHECKED>Checkbox 1<BR>
<INPUT TYPE="checkbox" NAME="s[]" VALUE="B">Checkbox 2<BR>
<INPUT TYPE="checkbox" NAME="s[]" VALUE="C">Checkbox 3<BR>
...
</form>


process.page ... just print ....

<?php

print_r ($_POST);

also , it will display

the same PHP code will produce the output below:

(array)
Array (
    [0] => A
    [1] => B
    [2] => C


<< loop it all the records (10)>>
// loop through the array and process index key values
check single value with == db connected value ..

do the process...


)

?>

more detailed at,

http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/PHP_Databases/Q_23003732.html

   1.
      <body>
   2.
      <form action="checkbox.php" method="post">
   3.
        <input type="checkbox" name="checkbox[]" value="a">
   4.
        <input type="checkbox" name="checkbox[]" value="b">
   5.
        <input type="checkbox" name="checkbox[]" value="c">
   6.
        <input type="checkbox" name="checkbox[]" value="d">
   7.
        <br>
   8.
        <br>
   9.
        <input type="submit" name="Submit" value="Submit">
  10.
      </form>
  11.
      <?
  12.
       
  13.
      /* and in your checkbox.php you do this: */
  14.
       
  15.
      if(isset($_POST['Submit']))
  16.
      {
  17.
          for ($i=0; $i<count($_POST['checkbox']);$i++) {
  18.
             echo "<br />value $i = ".$_POST['checkbox'][$i];
  19.
          }
  20.
      }
  21.
      ?>
  22.
      </body>

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Loganathan NatarajanLAMP DeveloperCommented:
>> in the process loop again you have to connect the DB value and get it checked with these selected items..
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pertrai1Author Commented:
logudotcom, you have me going on the right track. Now just to make sure I can do this right, let's say that each record in the database has the fields name, age, position, class and I want all of these values to be shown for each checkbox that is clicked, side by side on the checkbox page, what would I need to do this. I can see passing one value for each checkbox, but how about all of the information for each record. Thank you for your help.

Rob
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Loganathan NatarajanLAMP DeveloperCommented:
I want all of these values to be shown for each checkbox that is clicked,

>> It could be shown as we display the check boxes ... look at the code attached...



I can see passing one value for each checkbox, but how about all of the information for each record.

>> do you want to see those entire values in another page???


<form action="checkbox.php" method="post">
 
<? for ($i=0; $i <= $rowcount_rs_user; $++) { ?>
 
<input type="checkbox" name="checkbox[]" value="<?<?=$rs_user[$i]["id"]?>?>"><?=$rs_user[$i]["name"]?> <?=$rs_user[$i]["age"]?>  <?=$rs_user[$i]["position"]?> <?=$rs_user[$i]["class"]?>
 
<? } ?>
 
<input type="submit" name="Submit" value="Submit">
 
</form>

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