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preview option before form submission

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preview option before form submission

 
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  #1
Mar 2nd, 2009
i want to provide an option to user to preview the form input before form submission, it runs well, but it does the same action on pressing submission or preview button

html 
<form>
<tr>
    <td width="26%" height="30" align="right"><font face="Calibri">Category:</font></td>
 	<input type="text" name="category" size="30"></td>
 
    <td width="26%" height="30" align="right"><font face="Calibri">City:</font></td>
 	<input type="text" name="city" size="30"></td>
    
	<td width="26%" height="30" align="right"><font face="Calibri">Ad Title:</font></td>
 	<input type="text" name="adTitle" size="30"></td>
 
 </tr>
</table>

<p align="center">
<input name="put" type="submit" value="Submit" onclick="action='postAd.php?action=submit';"> 
<input name="put" type="submit" value="Preview" onclick="action='postAd.php?action=preview';">
</p>
</form>
the php script is as follow
if(isset($_POST['put'])) {

	$category = $_POST['category'];
	$city     = $_POST['city'];
	$adTitle  = $_POST['adTitle'];

$action = $_POST['action'];
if ($action = 'preview')
{

echo $category;
echo $city;
echo $adTitle;
}

if ($action = 'submit')
{
if (!get_magic_quotes_gpc()) {

    $category = addslashes($category);
	$city     = addslashes($city);
	$adTitle  = addslashes($adTitle);
   }  
$sql = "INSERT INTO `class-ads`.`post-ad` (ad_id, cat_name, city_name, ad_title, )
		            VALUES (NULL,'$category', '$city', '$adTitle')";

mysql_query($sql) or die('Error, Posting Ad failed : ' . mysql_error());                    
echo "You successfully posted the advertisment";
}
}

when i press submit it enters all data to database, but the same thing happens after pressing preview button as well.
i have tried every option, i know but in vain..i am not understanding where i am doing wrong. please some one guide me in this regard.

thanks in advance

shuja
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nav33n nav33n is offline Offline
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Re: preview option before form submission

 
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  #2
Mar 2nd, 2009
Use $action == 'preview' and $action=='submit' .
Also, mention Form's 'method'. If you don't mention it, I guess, the default method is GET.
Ignorance is definitely not bliss!

*PM asking for help will be ignored*
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Re: preview option before form submission

 
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  #3
Mar 2nd, 2009
If I may try my hand at this :

-Add the
PHP Syntax (Toggle Plain Text) 
  1. method = "post"
to your form tag.

-Change
PHP Syntax (Toggle Plain Text) 
  1. $action = $_POST['action'];
to
PHP Syntax (Toggle Plain Text) 
  1. $action = $_GET['action'];
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Re: preview option before form submission

 
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  #4
Mar 2nd, 2009
i am using POST method..
nav33n, when i use $action == 'preview' and $action=='submit', it does nothing with no error.

however, i just tried GET method, which is running fine.

But i wana use POST method....
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Re: preview option before form submission

 
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  #5
Mar 2nd, 2009
According to your code, you are not using the POST method. To use that methhod' the code must read:

<form method="post">

Otherwise it defaults to get.

Cheers!

Via BlackBerry
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Re: preview option before form submission

 
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  #6
Mar 3rd, 2009
Maybe this example will help you understand better.
php Syntax (Toggle Plain Text) 
  1. <?php
  2. if(isset($_POST['preview'])) {
  3. 	print "<pre>";
  4. 	print "Preview button pressed..<br>";
  5. 	print_r($_REQUEST);
  6. 	print "</pre>";
  7. }
  8. if(isset($_POST['submit'])) {
  9. 	print "<pre>";
  10. 	print "Submit button pressed..<br>";
  11. 	print_r($_REQUEST);
  12. 	print "</pre>";
  13. }
  14. ?>
  15. <form method='POST' action='postAd.php'>
  16. <tr>
  17.     <td width="26%" height="30" align="right"><font face="Calibri">Category:</font></td>
  18.  	<input type="text" name="category" size="30"></td>
  19.  
  20.     <td width="26%" height="30" align="right"><font face="Calibri">City:</font></td>
  21.  	<input type="text" name="city" size="30"></td>
  22.  
  23. 	<td width="26%" height="30" align="right"><font face="Calibri">Ad Title:</font></td>
  24.  	<input type="text" name="adTitle" size="30"></td>
  25.  
  26.  </tr>
  27. </table>
  28.  
  29. <p align="center">
  30. <input name="submit" type="submit" value="Submit""> 
  31. <input name="preview" type="submit" value="Preview"">
  32. </p>
  33. </form>
I have named the buttons differently. I also don't need onclick events.
Ignorance is definitely not bliss!

*PM asking for help will be ignored*
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Re: preview option before form submission

 
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  #7
Mar 3rd, 2009
thanks for your valueable solutions...
please can you suggest me any tutorial for fruther and advance guidance in this regards...

shuja
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Re: preview option before form submission

 
0
  #8
Mar 3rd, 2009
You can start with w3schools for basics. w3schools cover most of the things you need to know. For more information, you can check php.net .

P.S. In my earlier example, there is an extra " for input type=submit.
Ignorance is definitely not bliss!

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