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creating a sticky form compatible with onChange

 
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assgar



Joined: 25 Oct 2006
Posts: 56
PostPosted: Thu Mar 27, 2008 12:53 am    Post subject: creating a sticky form compatible with onChange Reply with quote
creating a sticky form compatible with onChange

Hi

I was using PHP sessions to create a sticky form but a
button was needed to reload the page.

I am new to Java and I have decided to do away with the button.
Using onChange="javascript:OnChange(this) to cause the
page to reload once a selection is made from a dynamic dropdown works.

The problem is the input box and other dropdown on the same page lose
their information. How can I create a sticky form that is
compatible with onChange?


Thanks



Code:


<?
 include("../priority_low_to_high_in.php");//proiority drop down
?>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Calendar</title>
<link href="../config.css" rel="stylesheet" type="text/css"/>
<script language="JavaScript" type="text/JavaScript">
<!--
function OnChange(dropdown)
{
  window.location.href="http://localhost/search_form.php?pro_id=" +
  dropdown.options[dropdown.selectedIndex].value;
}


function MM_reloadPage(init)
 {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
 }
MM_reloadPage(true);
//-->
</script>

<style type="text/css">
<!--

-->
</style>
</head>

<!-----------------------form processor---------------------------->
<form  action="../search_process.php" name="calendar" method="post">

<tr>
 <td>
      <select name= "provider_id" onChange="javascript:OnChange(this);">
       <?   
        //display lastname and first name
        provider_first_last_name_display($name, $name_val, $db_id);
          ?>
      </select>
 </td>
</tr>

<tr>
  <td>
    <!---reason input---->
    <input type="text" name="reason" size="30" maxlength="60" value ="<?php echo $reason; ?>">
  </td>
</tr>

<tr>
  <td>
      <!--priority dropdown-->
      <select name="priority">
    <?php
       $priority_name = get_b_priority_name($b_priority_n);
       $priority_code = get_b_priority_code($b_priority_c);
       for($n = 1; $n<= 6; $n++)
           {
         $sname = $priority_name[$n];
         $scode = $priority_code[$n];
         echo "<option value = '$scode'";
            if ($scode == " ")
                {
                     echo "selected";
                }
         echo "> $sname";
      }
    ?>
         </select>
  </td>
</tr>
</body>
</from>
</html>

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lostboy



Joined: 02 May 2004
Posts: 4958
Location: toronto, canada
PostPosted: Thu Mar 27, 2008 3:09 am    Post subject: Reply with quote
The form needs to do an onsubmit, to submit the form to the processing page...in your case you may want to use some AJAX to handle the select boxes, assuming from your description that you are dynamically changing the options based on selections from other boxes
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Lostboy

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Please read Posting Etiquette before posting

You can always try Google
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assgar



Joined: 25 Oct 2006
Posts: 56
PostPosted: Sat Mar 29, 2008 7:43 pm    Post subject: Reply with quote
Hi

Thanks for responding.

I will try Ajax to see if it makes a difference.

FYI. The first dropdown is dynamic using database listings.
The reason input box and the second dropdown are static and are
not dependant or linked to the dynamic dropdown.
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