August 2007 Entries
If you ever like to show a Modal Progress dialog like the above for any ajax operation no matter which Update Panel or Web Service call is responsible for it, the following code will do the same.<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml... <script runat="server"> [System.Web.Services.WebMet... public static string GetDate() { //Doing a fake delay for 3 seconds System.Threading.Thread.Sle...
I recently did a review on Asp.net Ajax Update Panel of O'Reilly which is now published in DotNetSlackers.com. Check it out
My latest article Asp.net Ajax Error Logging has been just published in DotNetSlackers.com. In this article, I have demonstrate how to extend Asp.net Ajax Framework to create an effective error logging system which support multiple trace listeners like Enterprise Library. A must read if you are developing or planning to develop an Asp.net Ajax Web Application. You will also find my name in the Ajax Columns in DotNetSlackers.com as I have planned to write at least one, preferably two articles each...
In this post, I will show you how to load different user control in UpdatePanel from different menu item click. I have found a lot of request in Asp.net Ajax Forum and some of them are having misconception about this. Once you complete reading this post you will be able to load controls dynamically and learn how to employ different helper controls like UpdateProgress, ModalPopupExtender while the UserControl is loading. First let us create plain page without the ajax support: Markup: <%@ Page...
If you ever try to do more than one simultaneous partial update with Asp.net Ajax Update Panel, I guess you already found that Asp.net Ajax Framework cancel the current update request and starts the new one. You think I am kidding? Okay lets try the following code: <%@ Page Language="C#"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml... <script runat="server"> protected void Page_Load(object sender, EventArgs...
If you visit Asp.net Ajax Forum, you will find hundreds of request on File Upload Control that it does not give Ajax version of the page when it is placed in an UpdatePanel. Certainly, it is not possible, as the XMLHTTPRequest object that is used internally to post the form does not support file upload. In this post I will show you how to create Ajax like version of the file upload. The trick is very simple, I will use an Iframe to upload the file so the whole page does not get refreshed and when...