Author Archives: Dan Wahlin
Getting Data in and out of ASP.NET Applications using Ajax and jQuery – Using WCF – Part 2 by Dan Wahlin
In my previous post I discussed how to use ASP.NET Web Services to serve up JSON data to applications. As a quick review, there are several different techniques that can be used including the following: 1. ASP.NET Web Services (.asmx) … Continue reading
Getting Data in and out of ASP.NET Applications using Ajax and jQuery – Part I by Dan Wahlin
Web applications have changed a lot over the years. When they first started in the 90′s nearly every action a user performed on a page caused the page to fully reload. Full page postback operations were the norm and something … Continue reading
Building the Account at a Glance HTML5 jQuery Application by Dan Wahlin
As Web technologies continue to evolve developers are required to learn new technologies in order to build successful web-based applications that stand above the crowd. This can be a challenging proposition especially for developers moving from desktop or Rich Internet … Continue reading
ASP.NET Anti Cross-Site Scripting Attack Library Released by Dan Wahlin
Cross-Site Scripting (XSS) attacks can led to many different problems depending upon what type of data a user is allowed to enter and what type of data is displayed in a Web page. By using XSS attacks hackers can steal … Continue reading
Silverlight 2.0 Video Tutorials
Silverlight 2.0 provides a new and exciting framework for building rich applications using C#, VB.NET or other languages that are capable of running on multiple operating systems and in multiple browsers. Scott Guthrie recently posted a great set of tutorials … Continue reading
LINQ and Lambdas and Sprocs….Oh My! – by Dan Wahlin
There’s a lot of great stuff in .NET 3.5 and several different ways to work with LINQ technologies such as LINQ to SQL. I’m currently putting together some demonstration code for a talk I’ll be giving at DevConnections in Orlando … Continue reading
How to create an ASP.NET AJAX Toolkit Extender Control to Extend a GridView
In a previous post I showed examples of how CSS and JavaScript code could be used to freeze the header row of a GridView control and add scrolling capabilities for Internet Explorer and Firefox. Here’s an example of a GridView … Continue reading
Freeze ASP.NET GridView Headers by Creating Client-Side Extenders
Lately I’ve been working on a pet project where I needed to freeze a GridView header so that it didn’t move while the grid records were scrolled by an end user. After searching the Web I came across a lot … Continue reading
First Look at Visual Studio .NET 2008 and the LinqDataSource
Visual Studio .NET 2008 provides many new features that will definitely enhance developer productivity. In this video tutorial I provide an introductory look at VS.NET 2008 and show a few features such as multi-targeting, split view, and the LinqDataSource control. … Continue reading
Working with ASP.NET AJAX UpdatePanel Properties video by Dan Wahlin
This video tutorial demonstrates the affect that the UpdatePanel’s UpdateMode and ChildrenAsTriggers properties have on updating a panel’s content. The video starts out by discussing the UpdateMode property and shows why you may want to know about it when using … Continue reading
Creating Custom ASP.NET Server Controls with Embedded JavaScript
I did some consulting work recently for a company that had a lot of JavaScript embedded in pages that was used used to perform advanced client-side functionality and make AJAX calls back to the server. The company needed additional team members … Continue reading
Simple ASP.NET 2.0 Tips and Tricks that You May (or may not) have Heard About by Dan Wahlin
ASP.NET 2.0 is an awesome framework for developing Web applications. If you’ve worked with it for awhile then that’s no secret. It offers some great new features that you can implement with a minimal amount of code. I wanted to start … Continue reading
Calling Web Services Asynchronously with ASP.NET video by Dan Wahlin
In this video tutorial I walk through the fundamentals of calling Web Services asynchronously from an ASP.NET page using the .NET 2.0 event driven model exposed by Web Service proxy objects. There are several different options for calling Web Services … Continue reading
Creating Web Services with the .NET Framework, Video – Dan Wahlin
I’ve had several people email me and ask if I could do a video covering the fundamentals of creating a Web Service using the .NET framework. Since I enjoy working with Web Services I decided to make some time and … Continue reading
WPF/E Now Includes a Downloader Feature by Dan Whalin – Interface Technical Training
WPF/E is getting better and better as new CTP releases come out. The February CTP includes several nice additions including a new downloader that allows resources used by a WPF/E application to be downloaded dynamically. As the resources are downloaded their progress … Continue reading
Video: Creating a Web Service with Windows Communication Foundation (WCF)
My good buddy Lorin Thwaits invited me to give a WCF talk at the Vista launch event on Feb. 3rd for the Arizona .NET User Group. Thanks to everyone who attended…I had a lot of fun and met some great … Continue reading
Calling Web Services with ASP.NET AJAX and JavaScript, Video – Dan Wahlin
ASP.NET AJAX provides several different ways to call Web Services including JavaScript, XML Script and the AutoCompleteExtender. In this video tutorial you’ll see how to call Web Services using JavaScript. Topics covered include creating a Web Service, applying the ScriptService … Continue reading
Debugging ASP.NET AJAX Applications with VS.NET 2005
Update: This video was created before the final release of ASP.NET AJAX and refers to the client-side debug class. This class was renamed to Sys.Debug in the final release of the product. Debugging is a key skill that every developer … Continue reading
