i have two problems with jquery $.ajax.
first problem is ihave a php file named action.php and here the code:
if($_GET['action']=='add'){
//rest of the code here
}
And i use jquery $.Ajax function to call that when form fills:
$.ajax({type:"POST", url:"action.php?action=add", data:$("#form").serialize(), cache:false, timeout:10000});
this works but i wanted to know is there anyway to send the action=add code with data and not the url?
and the second problem that i have is that i have a link:
delete row from mysql where id is 4
and a jquery function:
function deleteUser(id){
$.ajax({type:"POST", url:"action.php?action=delete", data:"id="+id, cache:false, timeout:10000});}
and of course the action.php code:
if($_GET['action']=='deletestudent'){
mysql_query("DELETE FROM `students` WHERE `student_id` = {$_POST['id']}");
}
but it doesn't work.what should i do?
First part: Yes
var postData = $("#form").serialize();
postData.action = 'add';
$.ajax({
type:"POST"
, url: "action.php"
, data: postData
, cache: false
, timeout:10000
});
For the 2nd part: that isn't working because your "action" values are not congruent: delete vs deletestudent. Nor are your function names: delete() vs deleteUser()
Also, I'd recommend applying some SQL injection protection in that query as well.
You have a function deleteUser() and you are using delete() even you're sending post action is delete while you're php script is looking for deletestudent
make your onclick onclick="deleteUser(4);"
and change your action from
$.ajax({url:"action.php?action=delete&id="+id, cache:false, timeout:10000});}
to
$.ajax({url:"action.php?action=deletestudent&id="+id, cache:false, timeout:10000});}
For the first problem:
You can add to your form a hidden input with the name/value you need. Example:
<input type="hidden" name="action" value="add" />
For the second problem:
According to your code, it seems that you are send "delete" but in the condition you are testing if equal to "deletestudent", maybe that's your problem.
chnage the type to GET o remove it, $.ajax default type is GET
$.ajax({url:"action.php?action=delete&id="+id, cache:false, timeout:10000});}
in php change your
....WHERE `student_id` = {$_GET['id']}");
Related
Trying to send a post request from ajax to php.
I did many trial and errors based from the answers including making sure that the "type" is set to post, specifying "dataType", correct "url". I think I miss something important but I can't figure out what it is.
main.php
<script>
$(document).ready(function(){
$(".editContact").on("click", function(){
let dataID = $(this).attr("data-id");
console.log(dataID);
$.ajax({
type: 'POST',
url: 'functions/phonebook.php',
dataType: "text",
data:{data:dataID}
});
});
});
</script>
functions/phonebook.php
if(isset($_POST["data"])){
$res = array($data=>var_dump($_POST["data"]));
}
else{
$res ='null';
}
Then print the $res variable containing the dataID from ajax to my html element in main.php
<label class="m-label-floating">Contact name <?php echo $res; ?> </label>
The console.log in my main.php prints the data what I want to send in ajax but when I try to send the dataID to my phonebook.php, I get a null value.
Your problem is here:
$res = array($data=>var_dump($_POST["data"]));
You are using var_dump the wrong way.
From the docs:
This function displays structured information about one or more expressions that includes its type and value. Arrays and objects are explored recursively with values indented to show structure.
This function does not return any value, so, in your case, $data=>var_dump($_POST["data"]) will always be null.
What you need to is:
$res = array($data => $_POST["data"]);
If you are sending data to a different page altogether and need to use jquery / JS to do it, it might be simpler to send via window replace:
window.location.replace(...)
If you need to stay on the same page, you might want to include a success function in your ajax query, as this will return to the page you are calling from:
$.ajax({
type: 'POST',
url: 'functions/phonebook.php',
data:{data:dataID},
success: function (html) {
// do your HTML replace / add stuff here
},
});
i am trying to use toggle buttons to save response in db as yes or no. for some reason the only response i am getting is 'on'. even when i switch off the button. i tried searching for problem and got a match but the problem was asked for android platform.now i am stuck with no answer there where similar questions but none of them is useful for me at this moment. sharing the code down below.Thanks in advance for those who are going to suggest or provide a solution.i am using class handicap to save data into variable inside JQUERY and then send that variable to AJAX page to perform db operation.i am not sharing CSS for toggle as i don't think that is required right now. if u need any additional info, do inform me.this input is inside a form with method POST. i am using a submit button with id that is calling this JQUERY.
html part
<div class="switch">
<input id="cmn-toggle-4" class="cmn-toggle cmn-toggle-round-flat handicap" type="checkbox" name="handicap">
<label for="cmn-toggle-4"></label>
</div>
jquery
$("#save-medical-1").click(function () {
var m11 = $(".handicap").val();
alert(m11);
$.ajax({
url: "ajexupdate.php",
type: "POST",
data: {smsgs11: m11},
dataType: 'text',
cache: false,
success: function (e) {
// alert(e);
$("#user_medical_form").html(e);
$("#medidetail").modal('hide');
$('body').removeClass('modal-open');
$('.modal-backdrop').remove();
}
});
return false;
});
You can get value using ":checked" using jquery.
eg.
if($("#cmn-toggle-4").is(":checked")){
m11="yes";
}
else{
m11="no";
}
and send it through ajax.
By writing a php command you are setting the initial value of that input into m11. You have to catch the client side value of input instead:
your code:
var m11 = '<?php echo $_POST['handicap']; ?>'; // always returns the initial value
Correct clien-side code:
var m11 = $(this).val();
How to submit 1st form data to another remote form data using formdata object and jquery ajax, finally get result from remote form?
Well, is a bit undefined question but I'll try my best.
First of all you need an HTML or PHP where you will recieve data from AJAX form, like:
<div id="ajaxform">
<button id="ajaxform" class="button"></button>
</div>
Then, in your javascript:
$(document).ready(init);
function init() {
$('#ajaxform').click(sendAJAX);
}
function sendAJAX(){
$.ajax({
type: "POST",
url: "yourPHP.php",
dataType: "json",
data: {//data to send using JSON
},
success: function (respJSON) {
var X= respJSON.X;
var Y= respJSON.Y;
}
}
Now, you have to edit your PHP, as:
<?php
//your data from HTML as:
$varZ = $_POST['varZ'];
//Code where edit data, etc
echo ($respJSON);
?>
Hope it helps, if you improve your question I can edit my answer to make it less general.
I have been going crazy for the last 2 weeks trying to get this to work. I am calling a MySQL Db, and displaying the data in a table. Along the way I am creating href links that DELETE and EDIT the records. The delete pulls an alert and stays on the same page. The EDIT link will POST data then redirect to editDocument.php
Here is my PHP:
<?php
foreach ($query as $row){
$id = $row['document_id'];
echo ('<tr>');
echo ('<td>' . $row [clientName] . '</td>');
echo ('<td>' . $row [documentNum] . '</td>');
echo "<td><a href='**** I NEED CODE HERE ****'>Edit</a>";
echo " / ";
echo "<a href='#' onclick='deleteDocument( {$id} );'>Delete</a></td>";
// this calls Javascript function deleteDocument(id) stays on same page
echo ('</tr>');
} //end foreach
?>
I tried (without success) the AJAX method:
<script>
function editDocument(id){
var edit_id = id;
$.ajax({
type: 'POST',
url: 'editDocument.php',
data: 'edit_id='edit_id,
success: function(response){
$('#result').html(response);
}
});
}
</script>
I have been using <? print_r($_POST); ?> on editDocument.php to see if the id has POSTed.
I realize that jQuery/AJAX is what I need to use. I am not sure if I need to use onclick, .bind, .submit, etc.
Here are the parameters for the code I need:
POSTs the $id value: $_POST[id] = $id
Redirects to editDocument.php (where I will use $_POST[id]).
Does not affect other <a> OR any other tags on the page.
I want AJAX to "virtually" create any <form> if needed. I do not
want to put them in my PHP code.
I do not want to use a button.
I do not want to use $_GET.
I don't know what I am missing. I have been searching stackoverflow.com and other sites. I have been trying sample code. I think that I "can't see the forest through the trees." Maybe a different set of eyes. Please help.
Thank you in advance.
UPDATE:
According to Dany Caissy, I don't need to use AJAX. I just need to $_POST[id] = $id; and redirect to editDocument.php. I will then use a query on editDocument.php to create a sticky form.
AJAX is used when you need to communicate with the database without reloading the page because of a certain user action on your site.
In your case, you want to redirect your page, after you modify the database using AJAX, it makes little sense.
What you should do is put your data in a form, your form's action should lead to your EditDocument, and this page will handle your POST/GET parameters and do whatever database interaction that you need to get done.
In short : If ever you think you need to redirect the user after an AJAX call, you don't need AJAX.
You have a SyntaxError: Unexpected identifier in your $.ajax(); request here
<script>
function editDocument(id){
var edit_id = id;
$.ajax({
type: 'POST',
url: 'editDocument.php',
data: 'edit_id='edit_id,
success: function(response){
$('#result').html(response);
}
});
}
</script>
it should be like this
<script>
function editDocument(id){
var edit_id = id;
$.ajax({
type: 'POST',
url: 'editDocument.php',
data: {edit_id: edit_id},
success: function(response){
$('#result').html(response);
}
});
}
</script>
note the 'edit_id='edit_id, i changed, well for a start if you wanted it to be a string it would be like this 'edit_id = ' + edit_id but its common to use a object like this {edit_id: edit_id} or {'edit_id': edit_id}
and you could also use a form for the edit button like this
<form action="editDocument.php" method="POST">
<input type="hidden" name="edit_id" value="272727-example" />
<!-- for each data you need use a <input type="hidden" /> -->
<input type="submit" value="Edit" />
</form>
or in Javascript you could do this
document.location = 'editDocument.php?edit_id=' + edit_id;
That will automatically redirect the user
Given your comment, I think you might be looking for something like this:
Edit
$(document).ready(function() {
$('.editLink').click(function(e) {
e.preventDefault();
var $link = $(this);
$('<form/>', { action: 'editdocument.php', method: 'POST' })
.append('<input/>', {type:hidden, value: $link.data('id') })
.appendTo('body')
.submit();
});
});
Now, I don't necessarily agree with this approach. If your user has permission to edit the item with the given id, it shouldn't matter whether they access it directly (like via a bookmark) or by clicking the link on the list. Your desired approach also prevents the user from opening links in new tabs, which I personally find extremely annoying.
Edit - Another idea:
Maybe when the user clicks an edit link, it pops up an edit form with the details of the item to be edited (details retrieved as JSON via ajax if necessary). Not a new page, just something like a jQuery modal over the top of the list page. When the user hits submit, post all of the edited data via ajax, and update the sql database. I think that would be a little more user-friendly method that meets your requirements.
I was facing the same issue with you. I also wanted to redirect to a new page after ajax post.
So what is did was just changed the success: callback to this
success: function(resp) {
document.location.href = newURL; //redirect to the url you want
}
I'm aware that it defies the whole purpose of ajax. But i had to get the value from a couple of select boxes, and instead of a traditional submit button i had a custom anchore link with custom styling in it. So in a hurry i found this to be a viable solution.
This is a very simple form that I have found on the web (as I am a jQuery beginner).
<!-- this is my jquery -->
<script>
$(document).ready(function(){
$("form#submit_wall").submit(function() {
var message_wall = $('#message_wall').attr('value');
var id = $('#id').attr('value');
$.ajax({
type: "POST",
url: "index.php?leht=pildid",
data:"message_wall="+ message_wall + "&id="+ id,
cache: false,
success: function(){
$("ul#wall").prepend(""+message_wall+"", ""+id+"");
$("ul#wall li:first").fadeIn();
alert("Thank you for your comment!");
}
});
return false;
});
});
</script>
<!-- this is my HTML+PHP -->
some PHP ...
while($row_pilt = mysql_fetch_assoc($select_pilt)){
print
<form id="submit_wall">
<label for="message_wall">Share your message on the Wall</label>
<input type="text" id="message_wall" />
<input type="hidden" id="id" value="'.(int)$row_pilt['id'].'">
<button type="submit">Post to wall</button>
</form>
and down below is my PHP script that
writes to mySQL.
It is a pretty straight forward script. However, it is getting little complicated when I submit it. Since I have more than one form on my page (per WHILE PHP LOOP), thus when I submit - only the FIRST form gets submitted. Furthermore, any other subsequent forms that I submit - data is being copied from the first form.
Is there any jQuery functions that clear the data? - or is there a better solution.
Thanks,
Nick
It's because you're giving each form the same id, and thus it is submitting the first element it finds with that id, i.e. the first form. What you should do is assign a unique id to each form, and then give each form an AJAX submit function that submits the form-specific data. You can use jQuery's $.each() function to loop through all the forms and $(this).attr('id') within the submit function to retrieve the form-specific id.
UPDATE: As revealed by the comment on this answer, you actually don't need the each() function because jQuery applies it to every form element anyway.
Here would be an example script:
$(document).ready(function(){
$("form").submit(function() {
var message_wall = $(this).children('input[type="text"]').attr('value');
var id = $(this).children('input[type="hidden"]').attr('value');
$.ajax({
type: "POST",
url: "index.php?leht=pildid",
data:"message_wall="+ message_wall + "&id="+ id,
cache: false,
success: function(){
$("ul#wall").prepend(""+message_wall+"", ""+id+"");
$("ul#wall li:first").fadeIn();
alert("Thank you for your comment!");
}
});
return false;
});
});
Because we can't see all of your forms, I'm not entirely sure, but given your question I'm going to assume that the other forms all share the same id (form#submit_wall), which is invalid an id must be unique within the document.
Given that you're going to change the id of the other forms (I'd suggest using a class name of, probably, 'submit_wall', but the specifics are up to you), the jQuery needs to be changed, too. From:
$("form#submit_wall").submit(function() {
To:
$("form.submit_wall").submit(function() { // using the class-name instead of the id.
Now, of course, you run into the same problems of duplicate ids.
So I'd suggest, again, changing the id to a class and changing:
var message_wall = $('#message_wall').attr('value');
var id = $('#id').attr('value');
to:
var message_wall = $(this).find('.#message_wall').attr('value');
var id = $(this).find('.id').attr('value');
Given the mess that you've posted, above, I find it hard to believe that this is all you need. It would definitely be worth posting the full page (or a demo at JS Fiddle or JS Bin) that fully reproduces your code.