Ajax :: Calling A PHP Function?
Aug 27, 2008
I have a page that has php code at the top. Ajax before the body tag and a form. I need to be able to call a php function (the one at the top of my page) that adds info from the form into the DB. Normally I'd do this in the traditional sense of "if($_REQUEST('submit')" but I have a jquery progress bar that works with ajax to request progress data from the server. The following code is the code that retrieves the data from the server:
if (@$_GET['id']) {
echo json_encode(uploadprogress_get_info($_GET['id']));
exit();
}
This as you can see executes repeatedly till the upload is finished. The problem is I can't incorporate my database insertion code with this because the progress bar stops working altogether.
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Jun 22, 2009
I am using jquery 1.3.2 and I want to call a function define in ajax file.form php file. How can I do that.
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Jul 20, 2010
I'm trying to build a t-shirt creator application w/ php and ajax.You can see where I'm at here.Thus far, I've successfully passed the first parameter from the form via a function called from an onchange event, which uses a php script to pass simple text (for the time being, 'til i get this figured out), which you can see working on the page.trying to update the output w/ each change they make via the form. For every step, the output on the right needs to update.Should I be calling the same function for each onchange, or different functions? Here's what I'm using as far as AJAX/form goes:
Code:
function showShirt(s) {
// CHECKS IF THE STRING IS EMPTY
if (s=="") {[code]...........
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Jul 2, 2009
Just getting my feet wet with AJAX and trying to figure out how I can make a javascript call to a specific PHP function in another file when I have a drop down menu change value using DOM. I've found lots of examples of how it could be done with GET variables, but none for this particular method of data retrieval. Has anyone ever ran into this, and if so, how did you solve this interesting deliema?
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Jul 5, 2010
if i am using jquery's $.ajax to load content and the content in the url ('test.php')
is <script type="text/javascript">function test() {alert('test called');
}
</script>
how do i get the function test() to execute?as if i call it (from the parent page in the success function)i get told it is undefined
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Sep 12, 2010
Actually i made two ajax function on single onchange() but when i fetch value on next page it will generate null pointer exception .The code is here..
<script language="javascript">
function disease_desc(id,type,desc)
{
alert(id);
[Code]....
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Jul 17, 2011
I have a form button with id="submit". When pressed, ClickGeocode(credentials) is called. This works fine and dandy with: $('submit").click(ClickGeocode) Despite there being no indication that the function takes an argument 'credentials'. So when I want to call the function at some point in my code, I should be able to do something like ClickGeocode(credentials) ... no? However, my issue is that credentials isn't once defined in my code - it is part of Bing Maps function... like so:
function ClickGeocode(credentials)
{
map.getCredentials(MakeGeocodeRequest);
}
So why does it work using .click(), and how can I call the function without user interaction (simply somewhere in my code) even if 'credentials' is not defined?
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Jun 18, 2010
I have 2 javascript files: 1 containing generic functions for my site used sitewide and another for a particular web page containing just the javascript for that page. The page is also calling the jQuery javascript file.
What I want to do is have a javascript function in my main javascript file which uses features of jQuery such as show, hide etc. and then I want to call this javascript function from the other page specific javascript file.
[Code]...
This does not work and so was wondering if anyone can point me in the right direction as to how to achieve this or something similar.
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Apr 7, 2010
I try to make something where you add elements, and can delete elements later by calling a simple function. I simplyfied it right here: It works only to add the paragraphs, but the delete function doesn't work. Tried already to debug with an alert message after each rule... but the problem is with this rule I guess:
[Code]...
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May 13, 2011
I am creating a little word guess game, with a random function which picks the word from an array of 10 words. The second function checks if the users' letter choice is part of the secret word. Currently, each time the checkGuess() function is called, the word is changed, probably because I am calling the wordPicker() function from within. The wordPicker randomly chooses the word, then returns that word. All I want to do is pull that word into the checkGuess function, without calling the wordPicker function as it currently does. Here is the code:
Create secret word array
var wordList = new Array("stealth", "telephone", "internet", "nickel", "marine", "instantiate", "method", "function", "television", "monitor")
[Code]....
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Jun 7, 2010
I am trying to write a function that is being invoked when some one clicks the submit button on the form.<form name="sectionA" action="optionpage.cfm" onSubmit="return abc()">I have three tables with initials textboxes. I want to check if they are empty and return false(stay on the same page), else go to action page.Here is what I am doing, I Created three functions tableA(), tableB(),tableC() call them from function abc(). These functions tableA(), tableB(), tableC() return false if one of the field is empty and stop furthur processing and remain in the same page. If none(errors), then go the other page.i.e if table B has empty fields, page should stop furthur processing and remain in the same page.Here is how I am doing it Can somebody please point out what I am doing wrong here.Even when there is empty field, the code moves me to the actionPage.
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Mar 10, 2010
I'm trying to call a WebMethod in a webservice via jQuery AJAX but it never seems to fire success or failure. I want to build an HTML table and display results based on what's been typed into the textbox onkeyup.[code] I've put a breakpoint in VS2008 on the $.ajax and it does hit but does nothing afterwards.
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Oct 21, 2009
I need to set some headers (I wish this were doable by just passing in a map), but it seems that beforeSend is never being called. Needless to say that's a bit of a problem for me.The alert below never occurs (and a breakpoint is never hit if I put it there), but I can see that the ajax request is being sent.[code]
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Feb 4, 2010
In the code below the preFilladmin function creates a JavaScript error after leaving the admin_uid field
// Set this to your validation PHP script, default is "validate.php?value="
var vUrl = "/validate_assignIP.php?value=";
// This is the array for error handling
[code]....
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May 28, 2010
I'm having trouble calling javascript functions that are loaded in the main window.
Here's what happens:
- when a link is clicked on my page, the contents of a div are reloaded with new contents from another file.
- The new file only contains the new contents of the div.
- I want the new contents of the div to call a function that was originally loaded before the new contents were reloaded.
- So, the main page loads the information and the javascript functions. Then, when the link is clicked, the new contents are loaded into the div with a link that calls a function that was already loaded.
- However, nothing happens when I click on the link to call the function.
Is there something I need to do to call the function?
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Feb 25, 2009
I have a series of dropdowns that allow the user to choose country, province and town respectively. The province dropdown is populated by an Ajax function when the user chooses their country, and the town dropdown is likewise populated by the user's selection in the province dropdown. This all works fine.
Of course, my client now wants to add a "major centres" dropdown between the province and town selection. This seemed straightforward to me, however in practice it's proving problematic. The "major centres" are drawn from the same dataset as the towns, however an extra flag is applied so that only records flagged as "main centre" appear.
Called separately , both the town dropdown and the main centre dropdown are populated. However, the problem comes in when the onChange event which is meant to update both dropdowns simultaneously fires. Watching the network behavior in Firefox, I see that calls to the ASP files which populate the town and major centre dropdowns DO happen, though only one of the calls actually returns values. I've checked this in IE7 also, and the same thing happens.
My function is called from the Province dropdown, like so:
Code:
<select name="Province" id="Province" onChange="callOthers(this);">
<option value="">---</option>
</select>
[Code]....
what might cause only the one dataset to be returned via Ajax? Either the towns are populated or the major centres, depending on which order I call the two handleOnChange functions from my callOthers function. As I said, BOTH Ajax calls are made, however only the results of ONE are being used in my page. Could this problem be related to 2 Ajax calls being made too close together?
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Jan 12, 2012
Have successfully created a node.js web service that I can access using jQuery ajaxcalls. My service returns json and the ajax parser works great.
My question is whether I can access an existing Microsoft asmx web service that is simply returning XML or non-json data?
Is there a way to tell the ajax call not to parse the returned data stream? I need to be able to authenticate against the legacy web service, so I don't have to rewrite all the code. I have tried changing the content type and data type, but to no avail.
Sample Code:
This code fails every time and I have tried a POST and changing the content/data types.
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Mar 30, 2010
I am calling web service through jquery ajax call for the first time and getting an error.
Below is the code:
Here is JScriptuserNTID.js file:
Here is WebService.asmx/HelloWorld:
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Feb 4, 2010
I'm making this ajax call:
Code:
From a JS object containig contextReady. The problem is that this within the OnSuccess is not the class but something else (e.g. a window).How can I update the right this.contextReady?
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Jul 21, 2006
I try to do the following:
function Init() {
alert('Anything');
}
pushInit(alert('Anotherthing'));
When i call the second function the first one must expand dynamically.
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Feb 18, 2011
Would like to do this:
The function setEqualHeight(columns) fires on document.ready and works well. However, in the second function (the tab function) I would like to to call the setEqualHeight function in order to recalculate the div heights again. I would like to do this in the "onclick function". How?
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Jun 29, 2009
Captions for the images are called from the parameters of the main function and delivered into a span or div tag with the appropriate id. A very important part of what needs to be in the captions is text compiled by a separate function, in the project library.I've tried this with and without curly, square and round brackets, with and without semicolons and quotes- all with varying results. Sometimes the function is called, but it appears at the very top of the page and nowhere near the proper <span> tag.
addImage(a,b,c,d);
// filename, image name and caption are in a, b and c.
// d is the variable where I need to write my other function...
addRef(t,s);
// I need to put addRef in the d parameter of addImage.
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May 8, 2010
I am trying to call a function from within a function. like this but it doesnt work:
[Code]...
I am unable to use this, self or parent.
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Nov 29, 2005
The page checks a database to see whether the user has a value in a field and if they do then a hidden variable in a form is set to this value. However, if they don't, the form displays a drop down box for them to accept a value. The problem arrises with a bit of form validation that is being run on the page. The button to submit the form is disabled unless the user selects an option from the drop down, once they've done this the button not only enables but also changes its value. When the user already has a value in the DB then the button must be enabled and its value changed. I've tried doing this by calling a function in the onLoad method but this isn't working. Code:
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Jul 21, 2009
I have 2 javascript functions
Function1 is called on a button click
what i want is if the condition of function1 is true it shld call function2 in it
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Apr 24, 2011
I'm trying to execute a javascript function from php. I'm calling the .js file first, then the function, but not getting anywhere. This is the code I have.
Code:
echo "<script type='text/javscript' src='./JScript/JSFile.js></script>"
echo "<script type='text/javscript'>functionName();</script>"
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