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Extending the ImageMap HTML Control with AJAX 1.0 Extensions : Bilal Haidar [MVP,MCT]

Tuesday, July 01 2008

In this article, Bilal Haidar will show you how to extend the HTML ImageMap control by adding clickable hot spots so that when hovered over will popup a tiny window informing the user with more information on the spot selected using the AJAX Services. In this article we are going to show how to easily integrate an HTML Image Map control with AJAX 1.0 extensions using the coolest feature of AJAX 1.0 which is AJAX Services. What we will show in this article is very handy and useful. For instance, you can have a facility on your applications to show a map with clickable areas in such a way, when an area is clicked, a popup window will show more detailed information about the clicked area. Without the use of AJAX, the user would have to wait for the page to post back to the server, get the data and then show them! However, this is unfeasible and makes user experiences very poor. Another option would be when the page loads, it loads all related data for all clickable areas on the page, but this has its own performance weaknesses and also is not a preferred way for solving such an issue....



Read More:
Extending the ImageMap HTML Control with AJAX 1.0 Extensions : Bilal Haidar [MVP,MCT]
Also See:
ASP.NET AJAX Grid and Pager : Kazi Manzur Rashid
Taking Care Of Pre_Init : Scott Allen
JavaScript with ASP.NET Server Controls : Xun Ding
Display an animated Gif during a long-running ASP.NET page call : Peter A Bromberg
Building AJAX Enabled File Uploading System with Progress Bar Using ASP.NET 2.0 : Jesudas Chinnathampi (Das)

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