Solved

use jquery instead of javascript to set value of hidden fields and submit form

Posted on 2010-09-21
8
923 Views
Last Modified: 2012-05-10
I have a form, asp  
<form action="page1.asp" method="post" name="Update" id="Update">

hidden fields
        <INPUT TYPE=HIDDEN NAME="pageValue" id="pageValue" value ="">
        <INPUT TYPE=HIDDEN NAME="pageAction" id=pageActon" value ="">


here is the javascript link
<a href="javascript:document.Update.pageAction.value ='value1';document.Update.pageValue.value = 'value2';document.Update.submit() ">

Value1 and Value2 are coming from a database and there is between 20-100 records.
I usually use this method and then it will assign the hidden fields the different values and then it will post to the page and i can do what i want with the data and return to the page or go to another page.

I am now using jquery and want to be able to accomplish the same thing, but don't know how to do it. Especially on a dynamic level with hidden fields.

I bring in the results on the page with jquery and empty and replace a div.  when i use the old method of javascript above,  i get and error saying that the form does not exists.  I don't know if i need to bind the new data to the form somehow,  but I would like to just use jquery to do the submit and hidden field values.

thanks
danny
0
Comment
Question by:norway77
  • 4
  • 4
8 Comments
 
LVL 40

Accepted Solution

by:
gurvinder372 earned 500 total points
ID: 33727130
<a href="javascript:setValues();">

function setValues()
{
     $("#pageAction").val("value1");
     $("#pageValue").val("value2");
     document.Update.submit();
}

0
 

Author Comment

by:norway77
ID: 33727419
Thanks for the quick response.
When i set up <a href="javascript:setValues();"> and click it i get  obviulsy value1 and value2.
But how do i set it up so that i get unique values for each link.

here is the old way
for i =0 to 100

<a href="javascript:document.Update.pageAction.value ='Variable1';document.Update.pageValue.value = 'variable2';document.Update.submit() ">

next

would net me
<a href="javascript:document.Update.pageAction.value ='1';document.Update.pageValue.value = 'cold';document.Update.submit() ">
<a href="javascript:document.Update.pageAction.value ='2';document.Update.pageValue.value = 'warm';document.Update.submit() ">
<a href="javascript:document.Update.pageAction.value ='3';document.Update.pageValue.value = 'hot';document.Update.submit() ">

etc..

would i just add the javascript:setValues(); to the end as another call and then change the
function setValues()
{
     $("#pageAction").val("value1");
     $("#pageValue").val("value2");
     document.Update.submit();
}
to
function setValues()
{
     $("#pageAction").val();
     $("#pageValue").val();
     document.Update.submit();
}

0
 
LVL 40

Expert Comment

by:gurvinder372
ID: 33728019
do this way

<a href="#" id="a1">A1</a>
<a href="#" id="a2">A2</a>
<a href="#" id="a3">A3</a>

just include this in the document ready

$(document).ready(function(){
var valueArray = ["cold", "warm", "hot"];
$("a[id^='a']").each(function(){
   var idSubstr = parseInt($(this).attr("id").substring(1));
   $(this).bind("click", function(idSubstr){
          $("#pageAction").val(idSubstr);
          $("#pageValue").val(valueArray[idSubstr]);
          document.Update.submit();
   });
});
});

0
 

Author Comment

by:norway77
ID: 33728668
var valueArray = ["cold", "warm", "hot"];
will not work because these are coming out of the database.

is there a way to do something like this
combine 2 or 3 values to the id and then split them up in the jquery

<a href="#" id="a1#windy#green">A1</a>
<a href="#" id="a2#cold#blue">A2</a>
<a href="#" id="a3#warm#yellow">A3</a>
...
<a href="#" id="a100#wet#red">A3</a>


$(document).ready(function(){
var valueArray = ["cold", "warm", "hot"];

$("a[id^='a']").each(function(){
   var idSubstr = parseInt($(this).attr("id").substring(1));
   $(this).bind("click", function(idSubstr){
          $("#pageAction").val(idSubstr);
          $("#pageValue").val(valueArray[idSubstr]);
          document.Update.submit();
   });
});
});

NEW CODE

$(document).ready(function(){
var str =parseInt($(this).attr("id").substring(1));
var substr = str.split('#');



$("a[id^='a']").each(function(){
   var idSubstr = parseInt($(this).attr("id").substring(1));
   $(this).bind("click", function(idSubstr){
          $("#pageAction").val(substr[0]);
          $("#pageValue").val(substr[1]);
         $("#pageColor").val(substr[2]);
          document.Update.submit();
   });
});
});

Ths doesn't work, but i didn't think it would i just wanted to try to explain it.
Is this possible

0
Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

 
LVL 40

Expert Comment

by:gurvinder372
ID: 33728729
hmm, after making the html changes the way you have suggested, you can change the jquery code to

$("a[id^='a']").each(function(){
  var idSubstr = $(this).attr("id").substring(1);
  var items = idSubstr.split("#");
  $(this).bind("click", function( items ){
         $("#pageAction").val( items [0]);
         $("#pageValue").val( items [1]);
        $("#pageColor").val( items [2]);
         document.Update.submit();
  });
});
});

please check
0
 

Author Comment

by:norway77
ID: 33728888
i put in the changes you made
i added some alert boxes
the first one works on page load and shows
value= 1#windy#green
value= 2#cold#blue
value= 3#warm#yellow

the second alert has an empty alert box.  It should show 1.

      $("a[id^='a']").each(function(){
              var idSubstr = $(this).attr("id").substring(1);
              alert("value= "+idSubstr);
              var items = idSubstr.split("#");
              $(this).bind("click", function( items ){
                    alert($("#pageAction").val( items [0]));
                         $("#pageAction").val( items [0]);
                         $("#pageValue").val( items [1]);
                        $j"#pageColor").val( items [2]);
                         document.Update.submit();
              });
            });

did i add it in wrong?
0
 
LVL 40

Expert Comment

by:gurvinder372
ID: 33728955
and what does it alert when you do this?

 $("a[id^='a']").each(function(){
              var idSubstr = $(this).attr("id").substring(1);
              alert("value= "+idSubstr);
              var items = idSubstr.split("#");
              $(this).bind("click", function( items ){
                    alert( items [0]);
                         $("#pageAction").val( items [0]);
                         $("#pageValue").val( items [1]);
                        $j"#pageColor").val( items [2]);
                         document.Update.submit();
              });
            });
0
 

Author Comment

by:norway77
ID: 33729044
It still said Undefined

I figured it out using your first solution.

here is what i did

jquery
 function setValues(e)
{
       var items = e.split("#");
     $j("#pageAction").val(items[0]);
     $j("#appUID").val(items[1]);
     $j("#suID").val(items[2]);
       //make sure value is not blank or don't submit
     document.Update.submit();
}
html
<a href="javascript:setValues('1#windy#green');">

thank you for all your  help.  
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article will give core knowledge of JavaScript and will head in to your first JavaScript program. I am Durvesh Naik and I am here to deal with this series of JavaScript. I will teach you JavaScript in part wise , as its quite boring to read big…
International Data Corporation (IDC) prognosticates that before the current the year gets over disbursing on IT framework products to be sent in cloud environs will be $37.1B.
The viewer will learn the basics of jQuery, including how to invoke it on a web page. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery.: (CODE)
The viewer will learn the basics of jQuery including how to code hide show and toggles. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery…

920 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

15 Experts available now in Live!

Get 1:1 Help Now