ASP.NET AJAX Repeater : Kazi Manzur Rashid

Saturday, April 04 2009

Demonstrates how to how to develop a Data Bound Templated Control with ASP.NET AJAX. In this article, I will show you how to create a Repeater Control with ASP.NET AJAX. The Control mimics on the client side the original ASP.NET Repeater Control. Why do we need another Repeater control when there is already a first class Repeater available with the ASP.NET? Let me explain it in the following section. ASP.NET AJAX is a great platform for developing Rich Internet Applications (RIAs). It replaces the traditional full Page refresh with a partial page refresh model where only the updated part of the...

Dynamic AJAX Modal Popup control demonstration : Kelum W. Ganegoda

Wednesday, April 01 2009

This article demonstrates how to dynamically load a modal pop-up AJAX control. Asynchronous JavaScript and XML (AJAX) -- Jesse James Garrett was the creator of the term AJAX -- enables a rich user interface experience for web applications. I'm not going to tell you the plus and minus points about AJAX, but this will help you to inform yourself about AJAX's background. Here I demonstrate the usage of the Modal Popup control, one of the AJAX controls that comes with AJAX Toolkit 1.0. The reason that I was motivated to write this article about the Modal Popup control is that I came across a situation...

Display an animated Gif during a long-running ASP.NET page call : Peter A Bromberg

Tuesday, March 31 2009

Shows a very easy-to-implement, cross-browser technique for displaying an animated progress gif while a long running method is going in your ASP.NET Page. Technique also works with other scripting platforms and languages. With all the new "AJAX" (Remote Scripting) and clientcallback methods available to ASP.NET developers, it has become a lot easier to refresh the DOM of a running page without a reload. However, oftentimes you do not want all the overhead of all that AJAX baggage, you just want to display an animated gif after the user clicks the button and have it display and animate until the...

Introduction to the PopupControl Extender : Brian Mains

Monday, March 09 2009

The PopupControl extender is a way to render a server control popup to the user, so that the user can perform some action (say click on a textbox), the user selects a value in a control that dynamically appears, and that value is posted back to the originating server control. As an example, this can be a calendar control that pops up for the user, which when selecting a value, the value is posted back to a textbox and the date is entered....

Client-side programming with Atlas : Tony Patton

Sunday, March 08 2009

Microsoft has developed its own approach to AJAX development called Atlas, which promises browser ubiquity as well as tight, albeit optional, ASP.NET integration. In this column, we survey the Atlas architecture to get a better understanding of how you may use it in your development work. What is Atlas? Microsoft says Atlas' goal is the integration of client scripting with ASP.NET on the server to provide a comprehensive development platform. There are two parts of the Atlas platform: client and server. On the client side, the following features are included....

How to Create an HTML Editor for ASP.NET AJAX : Eric Williams (winthusiasm.com)

Monday, March 02 2009

This article discusses how to create an HTML Editor server control for use within an ASP.NET AJAX 1.0 environment. Most blog, forum and Wiki applications use an HTML editor as the primary authoring tool for site content. With this type of control, an online user can create and edit an HTML document. The user is able to modify the text — including its format, fonts and colors — as well as add links and images. Often, the user may also view and/or edit the HTML source. Microsoft AJAX (ASP.NET AJAX Extensions) introduces a new implementation model for server controls with related scripts. This article...

Fast Streaming AJAX Proxy - Continuously Push Data as Downloaded : Omar AL Zabir

Monday, February 16 2009

Solve the common problem of double-downloading of data when browser wants to download content from external domain by making AJAX calls to a server side proxy. This proxy solves the delay in transmitting data from external domain by continuously pushing data to browser as it downloads on the server. Due to browsers' prohibition on cross domain XMLHTTP calls, all AJAX websites must have a server side proxy to fetch content from external domains like Flickr or Digg. From the client-side JavaScript code, an XMLHTTP call goes to the server-side proxy hosted on the same domain, and then the proxy downloads...

How to open popup windows in IE/Firefox and return values using ASP.NET and Javascript : Suprotim Agarwal

Saturday, February 14 2009

With the forums flooded with questions of opening a popup window, passing values to the popup window and then return values back to the parent page using both Internet Explorer and Firefox, I decided to take a plunge into the subject and experiment with an easy implementation. This article explains how to transfer values between the Parent page and a Pop-up window. The code has been tested against IE7 and Firefox. Internet Explorer(IE) contains the showModalDialog() method which proves very effective while creating a modal dialog box and displaying a html document in it. One caveat being, showModalDialog...

Building AJAX Enabled File Uploading System with Progress Bar Using ASP.NET 2.0 : Jesudas Chinnathampi (Das)

Tuesday, January 27 2009

This article examines how to upload a file to a remote web server using ASP.NET 2.0 and AJAX. The author also discusses how to display a "Please wait ..." message while the upload is happening. Uploading files using ASP.NET Framework 1.0 / 2.0 / 3.0 is pretty easy. Without much error handling, all we need is a couple of lines of code to upload a file to the web server. Read my article which explains how to upload files using ASP.NET which was written four years back. AJAX is playing a greater role these days in every webpage that pops up. Uploading files using ASP.NET AJAX is not a straight forward...

Real-Time Progress Bar With ASP.NET AJAX : Timothy Khouri

Wednesday, January 21 2009

Due to the disconnected nature of the web, developers have often wondered how to display certain metrics such as a real-time progress bar. This article will show you how to easily build a real progress bar that actually reports progress of a process running on the server using ASP.NET AJAX. Our Scenario First, let's define our scenario so that we're all on the same page. We'll pretend that we have made a portal (web application) that allows the local IT administrators to run a task on each computer in the office. Since this task takes a variable amount of time, they want to see a real-time progress...