My new Windows Phone 7 app "WeekCal" provides different calendar views. There are actually two week views and a month view. In the settings, the user can set the view to start with. To start the app with the view the user has choosen, there...

I'm involved in a project that needs a web frontend and clients for iPhone, Androide and of course WindowsPhone. Using a framework like PhoneGap is definitly a good point to start. In a later post I will write about how this all ended up. In this...

We all know the SupportedOrientations property on a windows phone page. Just set the value to Portrait and your App will only support the portrait orientation mode. Set it to Landscape and your App will only support the landscape orientation mode. Set...

To build an image button in WPF or Silverlight is a commen task. Also in Windows Phone 7 but here we have an additional problem, the themes. The basics I found in this nice article. What's not handled there is the themes. In the dark theme everything...

Already in one of my last posts I blogged about the ShellTileSchedule class. I love the simplicity of this class and still use it in my Shortcuts App you can get here . After a complete re-design of the App, I did a lot of testing and found an interesting...

Now I have five Apps in the Marketplace. One thing every App needs is an About Page. If you give the customer an About Page it looks just more professional and the buttons to rate the App or navigate to your other Apps should give you as a developer an...

Shortcuts are often very helpfull. Specially on a slow device like my iPhone 3GS, it would be very helpful to have some shortcuts to make a call, send a sms or toggle airplane mode on and off instead to tap thru all this menues. If I hopefully get my...

Beside the "big apps" like facebook, twitter or celsius, the application I use most on my iPhone is the shopping list. It's very helpfull not to write all the things on paper each time but just choose from a list of items I bought recently...

As I wrote in my last post my first windows phone app was a game called Simon aka Saimon or here in Switzerland better known as Senso. It's a classic brain game from the 80ies and everybody in my age will know the old version from MB I guess. The...

Before I actualy start let me tell you one thing: I can't realy write something new. Everything about windows phone development is already out there. But lets start the story three weeks ago. Three weeks ago I wanted to do something new. At this time...

In my actual project I have to do the performance tuning of a Microsoft Dynamics CRM System. From a technical viewpoint this is just an ASP.NET WebForms and WCF Services application. Therefore I was looking for some tools to monitor and analyse a web...

The future is mobile. At the Microsoft conference Build last month, ASP.NET MVC 4 was announced and with it the jQuery Mobile Framework . Since a few days jQuery Mobile 1.0 RC1 is released. But what is jQuery Mobile? There Website tells us: A unified...

At the Build conference Microsoft has announced the availability of ASP.NET MVC 4 Developer Preview. The following are the some of the new features of ASP.NET MVC 4 Developer Preview. ◦Enhancements to Default Project Templates ◦Mobile Project Template...

Last week at the Build conference in Anaheim CA lots of new announcements have been made. The big things were Windows 8, Metro Style Apps and WinRT. But also .NET 4.5, ASP.NET MVC 4 and other new stuff came up. Sadly I had to stay at home and did not...

TechDays 11 in Basel are over and we all had a great time with lot of interesting informations. On the TechDays Website you will find soon the recordings and the slides. If anybody is interested in the demo application of my Speech "Mit ASP.NET MVC...

In the dot.NET Magazin 4.2011 I wrote an article about Razor, the new view engine that comes with ASP.NET MVC 3. Therefore, it is probably obvious that I worked a lot with Razor. Despite all my work with this amazing new view engine I really love, I just...

Like the title explains, I like to validate input in my Silverlight application. I want to do it with DataAnnotations and I also want my ErrorMessages to be in the language of the user. Sounds pretty easy, not? My solution has the following projects ...

Today I had to add a delete function to an old ASP.NET WebForms website. It was missing because there are a lot of relational data. So the steps to delete a record are: - Click delete button - Proof of existing relational data - Show the result to the...

Today I had to fix some code of a colleague. To test the class I've fixed, there was a mock class generating random testdata. But this testdata were always the same. So I looked also at this problem and found the following code: for (int i = foo;...

Welcome back! After a pretty long break in blogging I'm starting over again. Trivadis gave me a good reason for it ;-) Hopefully there are coming up a lot of interesting themes in 2011. I'm sure ASP.NET MVC will be big also this year with the...

Nachdem ich mich nun seit rund einem Jahr mit dem ASP.NET MVC Framework beschäftige, durfte ich an den TechDays 2009 in Bern einen entsprechenden Vortrag halten. Die Slides und Demos werden in Kürze unter TechDays verfügbar sein. ...read more

Auf die Frage was ist der Unterschied zwischen new und override, im konkreten Fall für ein Property verwendet, bekommt man stehts die korrekte Antwort. New versteckt das Property in der Basisklasse, override überschreibt dieses. Gut, aber was heisst das...

Meistens sind Daten in einer Datenbank normalisiert abgelegt. In der Applikation möchte man aber oft mit den nicht normalisierten Daten arbeiten. Ist das ADO.NET Entity Framework die Lösung? Jein lautet die Antwort. Und um es vorne weg zu nehmen, ein...

Ein Kunde legt beim Logging unterschiedliche LogMessages (unterschiedliche Klassen) in einer Datenbank ab. Dabei werden der Typ der Message (der LogMessage Klassenname), die Message selber sowie weitere Felder in der Tabelle gespeichert. Nun sollten diese...

Mit dem .NET Framework 3.5 kommen erneut etliche Features zur Sprache C# 3.0 hinzu, die dem Entwickler das Leben bedeutend erleichtern (ausser man ist auf der Wartungsseite). Automatic Properties, Extension Methods, Lambda Expressions, Anonymous Types...