Many times we want to execute ASP.NET Server Side Events using JavaScript. What about calling a TextChanged Event on the onchange javascript event of a textbox control. It can be done quite easily without giving pain to our brain too much. Background In one of our ASP.NET Web Form which is a pa... [More]

Download code Ajax advertises the ability to quickly develop web applications which act like window's stand alone applications by reducing the flicker between post backs. One potential trap, like with all dot-net applications, is that if these applications are not well architectured then they wil... [More]

Download code   Introduction I want to take this opportunity to introduce a sample application which shows how to use ModalPopupExtender for Logging and Signup for any ASP.NET web application. In this quick demonstration, I am going to show you how we can implement Modal Dialog Box us... [More]

Download code   Anthem Ajax is one of the best ajax library available around to write Ajax without writing JavaScript in Asp.Net. But attempting to combine it with Extensionless Url ReWriting is quite a challenge. You can cownload Anthem Ajax from here. You can read more about th... [More]

By default the scroll position of div tags will be reset whenever you do a postback with AJAX. The following code can be used in you have an UpdatePanel containing a gridview in a fixed div tag and you need to enable Edit/Cancel and Update functionality of the gridview without resetting the scroll ... [More]

There are a number of cases in which you might not have XMLHttpRequest support. The most common would be in the case of an older browser. This is the hardest to work around, not because there is no AJAX fallback, but because all the other DOM manipulation that you do within the application won't wor... [More]

Synchronous requests are easier to use than asynchronous requests because they return data directly and remove the hassle of creating callback functions. However, they aren't the standard use case for XMLHttpRequest because the entire browser is locked while the request is happening. There are some ... [More]

Download source This is a simple way to add an extra column to the asp.net calendar control that shows the week number for each row like illustrated below. Background In some contries week numbers is often used and the standard calendar control does not include the option to show week num... [More]

Originally, Microsoft designed XMLHttpRequest to allow Internet Explorer (IE) to load XML documents from JavaScript. Even though it has XML in its name, XMLHttpRequest really is a generic HTTP client for JavaScript. With it, JavaScript can make GET and POST HTTP requests. (For POST requests, data ca... [More]

One of the attributes that have made XMLHttpRequest such a popular transport for AJAX requests is that it is easy to use in a way that is compatible across multiple browsers. The big two browsers, IE and Firefox, provide the same basic API. This consistency makes for a similar development experience... [More]

If you search the Internet for AJAX, you are likely to notice a large number of items popping up under the AJAX name that don't seem to fit my definition. In most cases, these libraries provide the related functionality needed to finish your AJAX application, but other times, these libraries are jus... [More]

The Internet has changed a lot since its initial creation. It started with simple text-based communication and has built on its past to create ever more powerful means of communicating. In today's World Wide Web, you can create interactive multimedia presentations and powerful applications. Although... [More]