Arjans blog » Development http://blog.einbu.no Arjan: Technical Learnings of Programmings for Make Benefit Glorious Framework of .NET Thu, 22 Jul 2010 12:21:57 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Custom ASP.NET DataSource parameters http://blog.einbu.no/2010/02/custom-asp-net-datasource-parameters/ http://blog.einbu.no/2010/02/custom-asp-net-datasource-parameters/#comments Mon, 01 Feb 2010 19:30:40 +0000 aeinbu http://blog.einbu.no/?p=747 With ASP.NETs DataSource controls you can parameterize your query and have those parameters automatically fetched from one of a few standard sources. Those include getting a parameter value from the querystring, a form parameter, a control or from a users session variables, profile or cookies.

These parameter types enables us to build a lot of functionality [...]]]> http://blog.einbu.no/2010/02/custom-asp-net-datasource-parameters/feed/ 1 More presentations coming up… http://blog.einbu.no/2009/10/more-presentations-coming-up/ http://blog.einbu.no/2009/10/more-presentations-coming-up/#comments Thu, 29 Oct 2009 08:20:33 +0000 aeinbu http://blog.einbu.no/?p=772 Did you miss the free one-day ASP.NET courses I gave in june or september? You’ve got another chance now! It’s scheduled again for thursday, december 3. Read more about it AND sign up for the ASP.NET course here!

Windows Azure

Also, since Windows Azure is being released  in just a couple of weeks, I’ll take a look at what that means for [...]]]> http://blog.einbu.no/2009/10/more-presentations-coming-up/feed/ 0 Diving deeper into Windows Azure table storage http://blog.einbu.no/2009/09/diving-deeper-into-windows-azure-table-storage/ http://blog.einbu.no/2009/09/diving-deeper-into-windows-azure-table-storage/#comments Mon, 14 Sep 2009 06:15:51 +0000 aeinbu http://blog.einbu.no/?p=443 In this previous posts about Windows Azure Table Storage, I relied on the StorageClient project in the Azure SDK samples. This feels a bit strange, and raises the question: Am I expected to include references to sample projects and be using Microsoft.Samples.whatever namespaces in my future projects?

This raises a couple of questions about license, copyright, [...]]]> http://blog.einbu.no/2009/09/diving-deeper-into-windows-azure-table-storage/feed/ 1 Files from the one-day ASP.NET course http://blog.einbu.no/2009/09/files-from-the-one-day-asp-net-course/ http://blog.einbu.no/2009/09/files-from-the-one-day-asp-net-course/#comments Tue, 01 Sep 2009 20:24:27 +0000 aeinbu http://blog.einbu.no/?p=699 You can download all the files used and created during my one-day ASP.NET course here. The zip file contains the slides (PDF), the databases  and all the files used and created during the presentation.

I added a default.aspx page listing the samples, so hopefully it should be easy to find the demo you’re looking for.

Visual Studio 2008 [...]]]> http://blog.einbu.no/2009/09/files-from-the-one-day-asp-net-course/feed/ 0 Free one-day course in ASP.NET http://blog.einbu.no/2009/09/free-one-day-course-in-asp-net/ http://blog.einbu.no/2009/09/free-one-day-course-in-asp-net/#comments Mon, 31 Aug 2009 22:46:42 +0000 aeinbu http://blog.einbu.no/?p=689 Today I’m presenting the free one-day course in ASP.NET at Microsofts Norway offices at Lysaker again.

I’ve prepared a zip archive containing both the presentation slides (as PDF) and a few artifacts I’ll use during the presentation. (Code files, sample XML documents, sql scripts etc.) Click here to download them! (Come back for the demos later. [...]]]> http://blog.einbu.no/2009/09/free-one-day-course-in-asp-net/feed/ 0 Authenticating against Azure Table Storage http://blog.einbu.no/2009/08/authenticating-against-azure-table-storage/ http://blog.einbu.no/2009/08/authenticating-against-azure-table-storage/#comments Tue, 25 Aug 2009 20:00:00 +0000 aeinbu http://blog.einbu.no/?p=477 When searching for articles/blogs/samples about using Azure Table Storage from .NET, it seems most of them (if not all) depend on the StorageClient sample in the Azure SDK. I read about authentication with SharedKey or SharedKeyLite, and I always found the magic of these authentication schemes were wrapped up into several layers of abstractions in [...]]]> http://blog.einbu.no/2009/08/authenticating-against-azure-table-storage/feed/ 2 Free one-day course in ASP.NET http://blog.einbu.no/2009/08/free-course-in-aspnet-2/ http://blog.einbu.no/2009/08/free-course-in-aspnet-2/#comments Mon, 17 Aug 2009 17:03:14 +0000 aeinbu http://blog.einbu.no/?p=496 The free one-day ASP.NET course I gave in june was a great hit, so Microsoft and Programutvikling AS decided to do it again!

When? Tuesday September 1. in Microsofts Norway offices at Lysaker.

Read more about the course AND sign up for it here!

(The course is presented in Norwegian.)

]]> http://blog.einbu.no/2009/08/free-course-in-aspnet-2/feed/ 0 How to use Windows Azure table storage http://blog.einbu.no/2009/08/howto-use-windows-azure-table-storage/ http://blog.einbu.no/2009/08/howto-use-windows-azure-table-storage/#comments Mon, 03 Aug 2009 18:00:17 +0000 aeinbu http://blog.einbu.no/?p=266 I found several great articles showing how to work with Windows Azure Table Storage:

Rob Bagby’s Azure Application Part 2: Access Azure Table Storage Jim Nakashima’s Windows AzureWalkthrough: Table Storage Video tutorials on Microsofts Azure developer portal

All these, however, assume that the table storage will be used from an Azure web or worker role. I wanted to see if the Windows [...]]]> http://blog.einbu.no/2009/08/howto-use-windows-azure-table-storage/feed/ 0 Traverse a hierarchical structure with LINQ-to-Hierarchical http://blog.einbu.no/2009/07/traverse-a-hierarchy-with-linq-to-hierarchical/ http://blog.einbu.no/2009/07/traverse-a-hierarchy-with-linq-to-hierarchical/#comments Mon, 13 Jul 2009 07:33:19 +0000 aeinbu http://blog.einbu.no/?p=353 RecentIy I needed to find a specific TreeNode in a TreeView control. I expected that would be easy with LINQ, but quickly realized that there is no method in the .NET framework that will let me traverse all nodes of a hierarchy. I decided to create one myself.

I started by trying out how I would [...]]]> http://blog.einbu.no/2009/07/traverse-a-hierarchy-with-linq-to-hierarchical/feed/ 0 Mythbusters: Unit-testing http://blog.einbu.no/2009/07/myth-busting-unit-testing/ http://blog.einbu.no/2009/07/myth-busting-unit-testing/#comments Sun, 05 Jul 2009 19:07:59 +0000 aeinbu http://blog.einbu.no/?p=276 While I believe most or many developers have heard of JUnit/NUnit/<your testing framework here>, fewer know how to write a test and running it using such a framework. And from those, even fewer have a good understanding of how to make unit testing a part of the development workflow.

I’ve known about unit testing and unit [...]]]> http://blog.einbu.no/2009/07/myth-busting-unit-testing/feed/ 1 The trouble with delimited http://blog.einbu.no/2009/06/the-trouble-with-delimited/ http://blog.einbu.no/2009/06/the-trouble-with-delimited/#comments Sat, 27 Jun 2009 09:45:34 +0000 aeinbu http://blog.einbu.no/?p=241 In this previous article articles about parsing files, I took a very simplistic approach to reading a delimited file. I used string.Split, which doesn’t handle the use of quotes and usage of the delimiter character inside quotes.

Well, it turns out theres more to reading a delimited file than splitting at the delimiter…

Is this a problem? It depends [...]]]> http://blog.einbu.no/2009/06/the-trouble-with-delimited/feed/ 1 Files from the one-day ASP.NET course http://blog.einbu.no/2009/06/files-from-the-one-day-aspnet-course/ http://blog.einbu.no/2009/06/files-from-the-one-day-aspnet-course/#comments Wed, 03 Jun 2009 22:20:20 +0000 aeinbu http://blog.einbu.no/?p=233 You can download all the files used and created during my one-day ASP.NET course here. The zip file contains the slides (PDF), the databases  and all the files created during the presentation.

The files have been renamed and organized in folders, so hopefully it should be easy to find the demo you’re looking for.

Prerequisites to run [...]]]> http://blog.einbu.no/2009/06/files-from-the-one-day-aspnet-course/feed/ 0 Free one-day course in ASP.NET http://blog.einbu.no/2009/06/free-one-day-course-in-aspnet/ http://blog.einbu.no/2009/06/free-one-day-course-in-aspnet/#comments Wed, 03 Jun 2009 07:00:37 +0000 aeinbu http://blog.einbu.no/?p=224 Today I’m presenting a free one-day course in ASP.NET at Microsofts Norway offices at Lysaker. You can download the presentation here.

If you don’t already have Visual Studio, you can download the free Microsoft Web Platform installer here.

The course is presented by Programutvikling AS and Microsoft Noway.

]]> http://blog.einbu.no/2009/06/free-one-day-course-in-aspnet/feed/ 0 Shortcuts for unittesting http://blog.einbu.no/2009/04/shortcuts-for-unittesting/ http://blog.einbu.no/2009/04/shortcuts-for-unittesting/#comments Wed, 29 Apr 2009 08:16:50 +0000 aeinbu http://blog.einbu.no/?p=199 When you’re doing unittesting in a project, there are two more shortcuts that would be nice to have.

These days, I’m running tests more often than I’m running the app, so why stop at having only the F5 so available for running the app in the debugger?

I have used ReSharper (R#) and TestDriven.NET, and none of [...]]]> http://blog.einbu.no/2009/04/shortcuts-for-unittesting/feed/ 0 Free one-day course in ASP.NET http://blog.einbu.no/2009/04/free-course-in-aspnet/ http://blog.einbu.no/2009/04/free-course-in-aspnet/#comments Tue, 14 Apr 2009 19:25:00 +0000 aeinbu http://blog.einbu.no/?p=184 http://blog.einbu.no/2009/04/free-course-in-aspnet/feed/ 0 What’s cool about Code Snippets? http://blog.einbu.no/2009/04/whats-so-cool-about-code-snippets/ http://blog.einbu.no/2009/04/whats-so-cool-about-code-snippets/#comments Sun, 05 Apr 2009 08:00:04 +0000 aeinbu http://blog.einbu.no/?p=38 Code snippets are pre-created pieces of code, and Visual Studio supports two kinds of them. Expanding code snippets and surrounding code snippets. You can get started with code snippets right away, since Visual Studio ships with lots of them.

So, how do they work? Well, the expanding code snippets are the easiest to use; you select a snippet [...]]]> http://blog.einbu.no/2009/04/whats-so-cool-about-code-snippets/feed/ 0 More parsing textfiles with LINQ http://blog.einbu.no/2009/04/more-parsing-textfiles-with-linq/ http://blog.einbu.no/2009/04/more-parsing-textfiles-with-linq/#comments Thu, 02 Apr 2009 17:33:25 +0000 aeinbu http://blog.einbu.no/?p=164 In a previous article, I described how to use LINQ when parsing a textfile.

Following that train of thoughts further, I found a more elegant way of splitting the lines from the file into columns. Creating extension methods on top of IEnumerable<string> seems like a good idea! Something that could be used like this for a [...]]]> http://blog.einbu.no/2009/04/more-parsing-textfiles-with-linq/feed/ 0 Your second handfull of VS2008 Shortcuts http://blog.einbu.no/2009/03/your-second-handfull-of-vs2008-keyboard-shortcuts/ http://blog.einbu.no/2009/03/your-second-handfull-of-vs2008-keyboard-shortcuts/#comments Sun, 29 Mar 2009 07:00:50 +0000 aeinbu http://blog.einbu.no/?p=34 In my previous article about keyboards shortcuts I promised a follow-up.

Well, here it is:

Many of the keyboard shortcuts in Visual Studio are chords. This means that the shortcut is actually a sequence of keypresses. (So with the first one mentioned here, you’ll first press and hold the CTRL-key while pressing K first, and after releasing [...]]]> http://blog.einbu.no/2009/03/your-second-handfull-of-vs2008-keyboard-shortcuts/feed/ 0 Parsing textfiles with LINQ (or LINQ-to-TextReader) http://blog.einbu.no/2009/03/parsing-textfiles-with-linq/ http://blog.einbu.no/2009/03/parsing-textfiles-with-linq/#comments Fri, 27 Mar 2009 18:51:48 +0000 aeinbu http://blog.einbu.no/?p=118 Reading and parsing files is really no difficult task with the .NET framework. The System.IO namespace has several good classes to aid that task.

We can use streams and readers to get the data from the file.

When using a the StreamReader we state our intent in a imperative way. We create loops  to iterate over all [...]]]> http://blog.einbu.no/2009/03/parsing-textfiles-with-linq/feed/ 6 Your first handfull of VS2008 keyboard shortcuts http://blog.einbu.no/2009/03/your-first-handfull-of-vs2008-keyboard-shortcuts/ http://blog.einbu.no/2009/03/your-first-handfull-of-vs2008-keyboard-shortcuts/#comments Sun, 22 Mar 2009 07:00:16 +0000 aeinbu http://blog.einbu.no/?p=16 When teaching programming, I tend to do a lot of live coding. Coding in front of a live audience is special, and I take special care to try to do it right the first time, and also do it as quickly as possible at the same time.

Keyboard shortcuts help a lot!

I became way more efficient [...]]]> http://blog.einbu.no/2009/03/your-first-handfull-of-vs2008-keyboard-shortcuts/feed/ 1