Chris Pietschmann

husband, father, hacker, entrepreneur, futurist, innovator, autodidact

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Bing Maps ASP.NET: Web.Maps.VE v1.0 Update, v2.0 Coming Soon

Today, I released the 8th update (v1.00.08) release to the Simplovation Web.Maps.VE v1.0 ASP.NET AJAX Virtual Earth Mapping Server Control. This control has come along way since the initial (v1.00.00) release last October. It greatly simplifies the implementation of Virtual Earth into any ASP.NET web application by enabling full server-side (.net, C#, VB.NET) control of the map, while eliminating the need to write javascript/jscript. Unless of course you want to write javascript; in which c... [More]

ASP.NET 3.5: Create AJAX Extender Controls using the ExtenderControl base class

As a followup to the "Create AJAX Server Controls using the ScriptControl base class" post I wrote a couple weeks ago, I've decided to write on how to create ASP.NET AJAX Extender Controls using the ExtenderControl base class in ASP.NET 3.5. There is already an article titled "Adding ASP.NET AJAX Client Behaviors to Web Server Controls" in MSDN, but it doesn't show all the code involved in creating Extender Controls, especially the JavaScript code. What is an... [More]

Virtual Earth + ASP.NET AJAX Now Fixed in Safari

A couple months ago I blogged about the fact that using Virtual Earth and ASP.NET AJAX together on the same page caused errors in Safari. There is good new to report back, the latest update to Virtual Earth has fixed this issue. In fact Virtual Earth v6.1 actually includes much better Safari support that previous versions; it actually works correctly in Safari. I found this to be especially helpful since I can now support Safari with my Web.Maps.VE product. What's the catch? I can't... [More]

ASP.NET: Create AJAX Server Controls using the ScriptControl base class

I've been doing a lot with ASP.NET AJAX for almost 2 years now, including my Web.Maps.VE product. So, I've decided to spread some of my knowledge in this area by writing up some articles on things that I've learned and figured out. As a note, since .NET 3.5 is the "latest and greatest" version of the framework out at the time of this writing, this article targets .NET 3.5. This article also assumes you have a basic understanding of ASP.NET AJAX and JavaScript. What is ScriptControl... [More]

Some ASP.NET AJAX Tips and Tricks

I've been using ASP.NET AJAX alot for a while now, so I thought I'd share some of the Tips and Tricks that I've learned though my adventures. Lately, all the buzz has been around Silverlight, but I know there are still a lot of devs out there that can benefit from these tips and tricks. UpdatePanel Tips Use UpdateMode=Conditional By setting the UpdatePanel's UpdateMode property to Conditional, it will only update its contents when one of its triggers o... [More]

.NET 3.5: JSON Serialization using the DataContractJsonSerializer

In ASP.NET AJAX Extensions v1.0 for ASP.NET 2.0 there is the JavaScriptSerializer class that provides JSON serialization and deserialization functionality. However, in .NET 3.5 the JavaScriptSerializer has been marked obsolete. The new object to use for JSON serialization in .NET 3.5 is the DataContractJsonSerliaizer object. I'm still new to the DataContractJsonSerializer, but here's a summary of what I've learned so far... Object to Serialize Here's a simple Person object with First Name and La... [More]

What I've been up to lately: JavaScript, AJAX, Virtual Earth and WebParts

The last couple months at work, I've been working a lot on a new real estate mapping product that was launched last week called eNavigator (Try out eNavigator here). It utilizes AJAX and the Microsoft Virtual Earth v1 Commercial control and supports IE and Firefox. The coolest feature is the Interactive Map search that allows you to click and drag the map around to find that home of your dreams. Something I started working with tonight is the new Virtual Earth v... [More]