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HTML Form and php

Posted on 2002-06-19
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Last Modified: 2006-11-17
Anyone with code to populate options for a select box on an HTML form from a mysql database using php.
something like the following:

<form.....>
<select name=".." >
#options should be updated dynamically

<option value= .. </option>
</select>
</form>
0
Comment
Question by:bravismore
  • 6
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12 Comments
 
LVL 32

Expert Comment

by:Batalf
ID: 7093785
Let's say you have a table called person with these fields:

ID int
firstname varchar(64)
lastname varchar(64)

Do simply like this:

<select name="person">
<?
$res = mysql_query("select * from person order by lastname,firstname");
if($inf = mysql_fetch_array($res))
{
  do{
   echo "<option value=\"".$inf["ID"]."\">".$inf["firstname"]." ".$inf["lastname"]."</option>";
  } while($inf = mysql_fetch_array($res));
}
?>
</select>


0
 
LVL 32

Expert Comment

by:Batalf
ID: 7093792
After submission the ID of selected person is stored in variable $person.

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Author Comment

by:bravismore
ID: 7094855
thanks will try it out
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Author Comment

by:bravismore
ID: 7094947
It's working but I want it to store multiple values rather than a single value

I want it to store all values selected
0
 
LVL 32

Expert Comment

by:Batalf
ID: 7095012
OK. That's easy:

<select name="person[]" size="5" multiple>
<?
$res = mysql_query("select * from person order by lastname,firstname");
if($inf = mysql_fetch_array($res))
{
 do{
  echo "<option value=\"".$inf["ID"]."\">".$inf["firstname"]." ".$inf["lastname"]."</option>";
 } while($inf = mysql_fetch_array($res));
}
?>
</select>

After submission you have an array called $person. You could loop through this array to get all your options:

for($no=0;$no<count($person);$no++)
{
  echo $person[$no];
}


Note the change in <select> :

<select name="person[]" size="5" multiple>



0
 

Author Comment

by:bravismore
ID: 7095242
Thanks Will give it a try.

I want a user to select a particular option and would want to make reference to the selected value. I would like to pass this value to another page for processing.

What should i write for

form action and method.
0
 
LVL 32

Expert Comment

by:Batalf
ID: 7095247
method should always be post. Action would be the page you want the page to be submitted to.

<form action="otherPage.html" method="post">

0
 

Author Comment

by:bravismore
ID: 7095270
Sorry, I want it as a drop down box.
With mutiple values

I want a data-driven drop down box.
0
 
LVL 32

Expert Comment

by:Batalf
ID: 7095274
Drop-down box where you could select multiple values is not possible in HTML.

Batalf.
0
 

Author Comment

by:bravismore
ID: 7095295
Sorry I want to select a single value from multiple values
0
 
LVL 32

Accepted Solution

by:
Batalf earned 240 total points
ID: 7095301
Then, can't you use my first example which includes a drop-down box with several options. From the drop-down you could select a single value:

<select name="person">
<?
$res = mysql_query("select * from person order by lastname,firstname");
if($inf = mysql_fetch_array($res))
{
 do{
  echo "<option value=\"".$inf["ID"]."\">".$inf["firstname"]." ".$inf["lastname"]."</option>";
 } while($inf = mysql_fetch_array($res));
}
?>
</select>
0
 
LVL 11

Expert Comment

by:shmert
ID: 9643503
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:
Accept: batalf
Please leave any comments here within the next seven days.
               
PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!
               
Sam Barnum
EE Cleanup Volunteer              
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