Solved

how to send update client browser at regualr interval using asp.net and jquery

Posted on 2009-05-09
1
219 Views
Last Modified: 2012-05-06
I have a web page and this contains a button, if user clicks on this button then I have to run a process a long time taking task.

now i am planning to use using asyn handler or asyn page to do this task.
but what i need to send text string at regular interval to the client about the process say after every 5 sec I need to send a update text.

is it possible to do so?
0
Comment
Question by:ziorrinfotech
1 Comment
 
LVL 12

Accepted Solution

by:
alien109 earned 250 total points
ID: 24343980
using setInterval, you can continuously execute a function. it's hard to provide sample code, without knowing more, but essentially you could do something like this -

function pollServer() {
    $.get(...., function(response) {
        // response from server should contain update text or
        // a flag to indicate if we should stop polling...

        // if we send back a flag to signal the task is complete...
        if(response... == "complete")
        {
                //stop polling the server
                clearInterval(intervalId);
        }
    })
}

var intervalId = setInterval(pollServer, 5000);

create a function that polls the server, then start calling that function on an interval, storing a reference to the interval's id so that we can stop it later.

in side of the polling function we use jquery to call the server and get a response. based on what is returned (and how it is returned) we can then determine if we should stop executing the polling function or display a message...
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

Suggested Solutions

Title # Comments Views Activity
Where do I learn ES6? 3 48
What is assert.deepEqual? 4 39
Runtime Exceptions when trying to submit data 28 36
Connection String 16 41
Requirements JQuery 1.6+ HTML CSS Introduction This article was inspired by an EE question (http://www.experts-exchange.com/Programming/Languages/Scripting/JavaScript/Q_28372511.html) on how to make a page show some balloons animate up a page…
Introduction A frequently asked question goes something like this:  "I am running a long process in the background and I want to alert my client when the process finishes.  How can I send a message to the browser?"  Unfortunately, the short answer …
The viewer will learn how to dynamically set the form action using jQuery.
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)

943 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

9 Experts available now in Live!

Get 1:1 Help Now