The first Microsoft Surface computer has arrived in Switzerland! And as a team of committed gadget blog readers (officially in denial, of course), we decided to do a photo unboxing story. This is the box – rather crate – that awaited us in the post office: Lifting the box reveals the sealed unit, looking...

In this 15 minutes video blog I will show to you how to use the combined power of Silverlight, WCF and LINQ to SQL to create a simple application. double click the player to play in fullscreen Attached you can find the final solution.

Yesterday we hold here in Wallisellen an IIS7 Event where the main features (with plenty of demos) of this fresh new release were presented from a developer point of view. As in the last time I'm diving into Windows Communication Foundation, one of the demo I particularly liked (which I want now to...

Update 17.4.2008: I have found a bug on the LinqToSqlClientHelper.LinqHelper class. I have attached the new corrected project. In this 30 minutes video blog I will show you one approach on how to do insert, update and delete operations with optimistic locking in a 3 tier environment. As you may know...

As you probably know LINQ to SQL supports stored procedure (SP). You can drag&drop a SP in the LINQ to SQL Designer and the magic happens: a new method inside the DataContext class is generated and a new return type is defined by the designer to represent this result (the name of the type is composed...

It is a pretty common need to be able to compose a query with multiple "where" parameters at runtime. There are are scenarios where you want to pass multiple unrelated parameters for your selection that user will chose only at runtime. Lets take an example. In our HOL for Silverlight http://blogs...

Yesterday I visited once again a customer that is currently migrating .NET Applications to the latest version. About 1 year ago I wrote a post on migrating application from .NET version 1.1 to 2.0 and 3.0. At the end of last year version 3.5 has also been released, so now a lot of customers don’t know...

One of the great features of C# 3.0 are anonymous types. Anonymous Types enable developers to concisely define inline CLR types within code, without having to explicitly define a formal class declaration of the type. In C# the definition of an anonymous type makes use of another C# 3.0 new feature: the...

Der zweite Release Candidate von ASP.NET MVC 3 , parallel installierbar zu ASP.NET MVC 2, sorgt nicht nur für Razor-IntelliSense im Zusammenspiel mit der Service Pack 1-Beta für Visual Studio 2010: Die zahlreichen Neuerungen und Änderungen gegenüber dem ersten Release Candidate sind in den Release Notes...

Starkes und ausführliches Tutorial in 8 Kursabschnitten zum Einstieg in die Webanwendungsentwicklung mit dem Entity Framework wurde vom ASP.NET-Team jetzt veröffentlicht. Die schrittweise erstellbare oder vorab schon fertig herunterladbare Beispielanwendung bietet im Resultat verschiedene Verwaltungsaufgaben...

Vor wenigen Wochen ist das SP1 für SharePoint erschienen ( weitere Infos ). Es enthält mehrere Dutzend Hotfixes, ein neues Blob Storage API (um Blobs im Filesystem und nicht in der DB zu speichern) und Support für ASP.NET AJAX. Es ist jetzt also möglich, die seit vor einem Jahr veröffentlichten AJAX...

[Update: Version 1.1 released] Welcome to SurfaceTwitter, a multi-touch Twitter client for the Microsoft Surface! I wrote SurfaceTwitter to demonstrate the capabilities of the WPF based project type from the Microsoft Surface SDK 1.0 Service Pack 1 . It is tested to run on Microsoft Surface Service Pack...

Ab sofort ist ist WebMatrix freigegeben, zusammen mit WebPI v3.0 (Web Platform Installer). WebMatrix ist ein brandneues kostenloses Web-Entwicklungstool von Microsoft, das alles für die Website-Entwicklung enthält. Mit zahlreichen benutzerfreundlichen Werkzeugen können Sie mit WebMatrix Webseiten aufsetzen...

In this 15 minutes video blog I will show you how you can scroll through large resultsets using the SL DataGrid and LINQ to SQL. I will show: - paging server side using .Skip and .Take methods in LINQ to SQL - templating the DataGrid for adding the paging vertical scrollbar You should watch first...

[ July 2010: The lab has been updated in order to reflect RTM changes --> http://blogs.msdn.com/b/swiss_dpe_team/archive/2010/08/03/hands-on-lab-silverlight-4-line-of-business-application-using-wcf-ria-services-now-updated-to-reflect-rtm-changes.aspx ] After building this lab from the ground and...

Mobile Endgeräte, wie z.B. Smartphones oder Tablets, geniessen vermehrt die Gunst der Websurfer. Wer Webseiten entwickelt, muss sich bewusst sein, dass der Kunde nicht mehr nur von seinem Laptop aus die Webseite betrachtet, sondern eine ganze Palette von Geräten benutzen kann. Obwohl viele mobile Browser...

With this tutorial I want to show you how you can use the EntityDataSource control in order to build an ASP.NET Web Page which is consuming an Entity Data Model (created with Entity Framework); you will see what are the typical problems you may find when working with this control. EntityDataSource...

Lately I’m doing quite a lot of presentations of Silverlight for line of business apps, either for Internet and Intranet. I’m usually starting my presentations with some examples from around the web of cool LOB apps. So I thought it would be nice to share my selection, all based on Silverlight Beta 2...

Unfortunately software is not perfect, especially if is written by me:-), so it is very important to be able to capture errors in order to diagnose and fix bugs. Silverlight applications run on the client so it is a bit harder to log errors compared to a classical ASP.NET solution. In this blog post...

I have updated the Hands-On Lab “Silverlight 4 Line of Business Application using WCF RIA Services ” to work with the RTM version of VS2010 and SL 4 and WCF RIA Services 1.0. In this 99 page hands-on lab you will learn how to use Visual Studio 2010 and Microsoft Silverlight 4 to create...

Silverlight 3 Beta is now public and with many new and exciting feature. As you may know I'm a big fan of the DataGrid control in Silverlight. It is already very powerful and is improving every day. So I have asked Yifung Lin, one of the developer of the DataGrid control, to provide a quick overview...

In this 15 minutes video blog I will explain the magic (or not so magic J ) that I’m doing in the LinqHelper client and server classes for enabling client side change tracking with LINQ to SQL. If you didn’t watch the first part I encourage you to watch it first : http://blogs.msdn.com/swiss_dpe_team...