AJAX :: Auto Refresh Data From MySQL
Dec 13, 2011
I am attempting to create a profile page with PHP utilizing AJAX technologies as well. I need profile data to auto-refresh on the page when a change is made in the database but every 15-30 seconds intervals are fine too. I would really like to use AJAX/PHP for this because I think it will be good for me to know and learn.
I have checked the internet for this and all of the examples show a form select/combobox where you select a "User" and then it populates the information automatically in a div below.
But... I need AJAX or PHP to READ THE VARIABLE FROM THE URL instead of a form(Combobox) and ultimately refresh the data on the page with the results from the DB query in the php file.
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Nov 28, 2004
I have some form fields that the user can either type in or he can check a checkbox so that MySQL data for an option selected from a dynamically generated (PHP/MySQL) select menu is filled in. How can this be implemented? I have the code for the select menu.
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Oct 4, 2010
I ve been trying the following code (see below), this code was posted by tabo here but apparently he left, it works fine on Firefox, Chrome, Safari but I cant get it working on Internet Explorer...I ve been looking everywhere and I dont understand where is the problem. here is the full coding :
Code:
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Oct 24, 2011
I really need this to include in my page
This is the original code : -
I would like to add ajax auto refresh.. to refresh the div link which is something like this : -
But, there is something wrong here... instead of refreshing the div.. it refresh html page only.. not the div data..
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Apr 7, 2011
I have a very simple php page that uses shell_exec to get some basic stats for my LAMP. I currently have it setup to where it uses a javascript refresh every 60 seconds, but would like to setup AJAX to have it so it doesnt actually refresh the page. I am new to javascript/ajax so I am a little lost, here is my code
[Code]....
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Jan 21, 2010
i want to retrieve data from mysql database using ajax and php. my code is below which does not work
here is index.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
[Code].....
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Jul 26, 2011
I'm using AJAX to auto-refresh a chatroom. You can see it on the right of the following site: http:[url]...
The problem is, when large images are placed in the chatroom via BBCode, (temporarily disabled) when the chatroom refreshes, they flicker! This is caused by the AJAX reloading the content, which in turn reloads the image.Is there a workaround for this? I want to allow images in the chatroom, but I don't want to turn off the auto-refresh. Below is the code I am running to refresh the chatroom:
Javascript Code:
Original
- Javascript Code
function update()
{[code]....
Basically, what it does is reloads chatQuery.php and currentlyOnlineQuery.php every 5 seconds, or when a chat message is submitted.
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Oct 19, 2009
The below coding is the javascript coding in which i have used AJAX coding also.its only pagenavigation coding.
function change(which)
{
if(which=="page1")
{
document.getElementById(which).style.borderBottomColor="white";
document.getElementById("page2").style.borderBottomColor="#778";
document.getElementById("page3").style.borderBottomColor="#778";
document.getElementById("page4").style.borderBottomColor="#778";
[Code]...
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Jan 4, 2010
I am showing recent visitors on profile page.The most recent visitor would be "1 min ago".If suddenly new user comes so i just want to append that user with the message "about a min ago" without refreshing the page.
ex- suppose my recent visitors list ll be like this-
And now smita comes as the recent most visitor i want to append her name in to this list without refreshing the the entire page like this
I know i can do this with AJAX. I have searching around the net for the any helpful resource but didn't get anything yet.
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Apr 15, 2010
So my problem is that i can't send form data in FF without page refresh (though in IE7-8 everything works smoothly).
My code fragments:
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Mar 2, 2009
I have made a page thats makes an AJAX call to the server gets the time and displays it. In the OPEN method i have set
req.open("GET","/timerProg.cgi?param1="+new date(),false);
I have set the last parameter as false as i am expecting a synchronous request so that time displayed should be consistent.
I am using new date() since the browser is caching my request and displaying the same output everytime as i dont know any other alternative.
The alternative so that browser does not cache the results and gives proper output each time.
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Jun 6, 2010
could someone please point me in the right direction for creating an AJAX page that displays "live" data from a mysql database? I need the page to update its self every time data changes in a mysql table.
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Jan 30, 2011
I want to add a comment system after my article, <form id="postform" class="postform"> is written into a MYSQL_QUERY result circle. but after post a comment, the current posted comment will be showed in all the <div class="post_comment"></div>, how to modify jquery ajax part so that the current posted comment only be showed in its own <div class="post_comment"></div>? [code]...
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Jul 11, 2010
I have a form.On the form I have a drop down box that allows the user to select a data set to work with (A or B). The table loads just fine and all is right with the world. No problems there.What I need is for the user to be able to edit the data set and have those changes written directly back to the mySQL database. They also need the option of deleting a record entirely.I know how to do all the database queries, updates, etc. I just don't know how to write the ajax forms to accomplish this.
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Aug 17, 2009
I am not sure, if this works. I make a function call with the ajax option of jquery.If I try this, the whole response data is shown in the specific #div.Is there any possibility to load only the content of "#div" from some.php?
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Aug 17, 2009
I have a small app, my first real ajax project, which gives you details for product availability, for each day. The user selects a day (from a calendar) and then a time slot within the day. The app then displays how many slots are available for purchase, on that day, for that time... I wanted to refresh the data, every 5s, to provide slick real time availability info... but alas, when you change day (look at another day and time), the old timer still runs with the old arguments, and so it keeps resetting the 'details' panel to the previous day's details... how do I reset the timer? or delete the old one?
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Dec 9, 2010
I'm currently trying to refresh a DIV on my page that is linked to MYSQL (changes if database has 1 or more rows) without refreshing the entire page, I've tried using javascript although it didn't seem to work and so Im back to the drawing board, Im not very experienced with Jquery or Javascript to do it on my own, I only know PHP, CSS, HTML the easier ones
how I could possibly go about this... - I don't want to use Iframes either as the the div is a button which opens a hidden div on the page (parent page) so I don't think iframes would be best either
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Dec 6, 2005
I work primarily with php, and haven't had much experience with JavaScript. I was wondering if JavaScript is suitable for automatically updating a database with the contents of a text area, at intervals of 3 minutes... without refreshing the page? It doesn't have to change the content of the text area, just take a snapshot of it. I am trying to develop an 'autosave' feature.
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Jul 2, 2004
I have a form with a list box. Beside the list box I have a link that opens a new window in order for users to enter new records which then appear in the list box. How do I make the list box refresh to show newly added records? Can I refresh it when it receives the focus or are there better ways to do it? Also, how do I make the new window open to a certain size or to make it maximized?
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Mar 1, 2010
i am Steaming Music to my HomePage and i have the Playing List Of what there have been Play in a Iframe and i want it to auto refresh so it up to date all the time How do i do that The Page is [URL]
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Mar 30, 2010
[code]i hav written dis code to auto refresh page only once but it is refreshing after every 5 seconds. Earlier i hav wriiten meta tag but it is refreshing page after every 5 seconds & after that i hav wriiten script to auto reffresh page only once but they both r doin the same work.
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Apr 14, 2010
I have a database holding roughly 20 fields of data per entry. I want to make only one request to the database, store this information in some manner on my client, and then use javascript to deliver this information to the user. Initially the user will be presented with just a list describing each entry, when clicked upon, all corresponding fields will populate. I know how to do this with javascript fairly easily, but I'm not confident in my methods for getting that data from my database ala php to javascript.
The first thing that comes to mind is to write some PHP code to pull from my DB and then echo out a two dimensional javascript array. I have seen posted elsewhere that this method is not ideal... And I can see why as I always run into issues with attempting this... plus it is ugly as all hell. What is clean way to get all this information onto my client so no subsequent server requests must be made?
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Jun 8, 2011
I'm using a combination of Yahoo Pipes and rssdisplayer.js [url] to display some snippets from several RSS feeds on a new site I'm building.
The trouble I'm having is that (i) the feeds don't update when I refresh the page, I think because a cached version of the page is being loaded, and (ii) I'd like to have the div containing the feeds auto-refresh at a given time interval.
I've got a Twitter javascript working that does both these things, but can't work out how to get the rssdisplayer.js working this way.
The rssdisplayer code is:
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Jun 17, 2011
i have a text area of php inside that reads off messages of a database and i wanted to have it auto refresh every 2 seconds. im making it into a chat box. at the moment what you have to do is press a refresh button but its a hassel. i dont want to get into to much ajax becuase i have a ton more stuff to do and dont want to spend to much time on 1 thing. but it looks like this
<textarea rows="30" cols="65" valueCommit=ta1.verticalScrollPosition=ta1.maxVerticalScrollPosition; />
<?
$query="select * from chat"; query string stored in a variable
$rt=mysql_query($query); query executed
[Code].....
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Jul 1, 2009
how am I be able to refresh a load for a second and it will stop. Or I even an auto-F5.
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Oct 4, 2011
we are developing an web application. In this user has an option to comment or mark a video. After user commented or marked it has to shown automatically on the page with out refreshing the page.
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