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dotnet Cologne 2010 Whats this all about?

So far I havent blogged about the dotnet Cologne 2010 conference in English, as its a local community event which Im co-organizing for a German-speaking audience. Typemock, one of our international sponsors, has now published the summary of an interview Britt King of CommunityBlender conducted with me in English about my personal history as a user group leader. The post on the Typemock blog gives a good idea of the history of the .NET community in the Cologne/ Bonn area in general and the dotnet...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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SQLAuthority News Updated Favorite Scripts and Best ArticlesPage

I have been writing on this blog for around 4 years now and have contributed with more than 1300 blog posts. Many times, I have been asked regarding what is my most favorite article or which is the most essential script for developers and DBA. This is very difficult to answer as I so much [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Microsoft Issues Security Advisory on Windows Aero

Microsoft released a security advisory on Tuesday concerning a Windows component involved with desktop graphics display....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Windows Phone 7 + Azure.and a couple of nuggets

I recently gave a talk about Windows Phone 7 at a Bizpark Camp in San Francisco. The camp had two focuses: Azure and Windows Phone 7. My presentation covered WP7 portion of the camp. During my presentation I highlighted the phone platform and talked about some of the differentiators from design, technology and a business standpoint. Whenever I watch presentations or go to tech meet-ups I feel like I get the most value when I can walk away with a few nuggets that I wouldnt necessarily have known about otherwise. That said, I tried to add a few resources into my presentation that should be helpful when building WP7 apps. Nuggets Seeing that the camp was focused on Azure and WP7 I decided to augment my presentation with a code sample. The intention was to give some insight on how to approach building WP7 applications that talk to Azure. Some colleges of mine here at Clarity have posted a sample on codeplex focused on getting up and running with WP7 and Azure..you can check it out HERE. The project is not a hello world app, and is targeted at people who have some experience with the platform and a working knowledge of silverlight. Also, during my presentation I mentioned some limitations with the current phone sdk. Our sample code on contains work-abounds for the following: #1 Panorama Control #2 Tilt effect #3 Animating Frame #4 Sample architecture (leveraging MVVM light) and coding patterns. Note: For the sample phone project we used an azure token that will expire in the next couple of months. When that happensin the downloads section of the codeplex project there a link to a local development fabric that can be used for local development Presentation Admittedly, the slide deck is pretty design heavy, and doesnt contain much text. This was semi-intentional to encourage people to come out to the camps and hear it first hand. There is some additional info found the notes of the PPTX. Dont forget to check out the full presentation at the Chicago Bizspark Camp on May 21st here at the Clarity Office. Or on June 4th in Los Angeles. You can DOWNLOAD the Slides here: PPTX | PDF or view it inline below. View more presentations from eklimcz. Cheers! Erik Klimczak | [email protected] | twitter.com/eklimczDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Windows Phone 7 + Azure.and a couple of nuggets

I recently gave a talk about Windows Phone 7 at a Bizpark Camp in San Francisco. The camp had two focuses: Azure and Windows Phone 7. My presentation covered WP7 portion of the camp. During my presentation I highlighted the phone platform and talked about some of the differentiators from design, technology and a business standpoint. Whenever I watch presentations or go to tech meet-ups I feel like I get the most value when I can walk away with a few nuggets that I wouldnt necessarily have known about otherwise. That said, I tried to add a few resources into my presentation that should be helpful when building WP7 apps. Nuggets Seeing that the camp was focused on Azure and WP7 I decided to augment my presentation with a code sample. The intention was to give some insight on how to approach building WP7 applications that talk to Azure. Some colleges of mine here at Clarity have posted a sample on codeplex focused on getting up and running with WP7 and Azure..you can check it out HERE. The project is not a hello world app, and is targeted at people who have some experience with the platform and a working knowledge of silverlight. Also, during my presentation I mentioned some limitations with the current phone sdk. Our sample code on contains work-abounds for the following: #1 Panorama Control #2 Tilt effect #3 Animating Frame #4 Sample architecture (leveraging MVVM light) and coding patterns. Note: For the sample phone project we used an azure token that will expire in the next couple of months. When that happensin the downloads section of the codeplex project there a link to a local development fabric that can be used for local development Presentation Admittedly, the slide deck is pretty design heavy, and doesnt contain much text. This was semi-intentional to encourage people to come out to the camps and hear it first hand. There is some additional info found the notes of the PPTX. Dont forget to check out the full presentation at the Chicago Bizspark Camp on May 21st here at the Clarity Office. Or on June 4th in Los Angeles. You can DOWNLOAD the Slides here: PPTX | PDF or view it inline below. View more presentations from eklimcz. Cheers! Erik Klimczak | [email protected] | twitter.com/eklimczDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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AspNetCompatibility in WCF Services – easy to trip up

This isnt the first time Ive hit this particular wall: Im creating a WCF REST service for AJAX callbacks and using the WebScriptServiceHostFactory host factory in the service: <%@ ServiceHost Language="C#" Service="WcfAjax.BasicWcfService" CodeBehind="BasicWcfService.cs" Factory="System.ServiceModel.Activation.WebScriptServiceHostFactory" %> to avoid all configuration. Because of the Factory...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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SQLAuthority News Tips for Traveling to Nepal

If you are a regular reader of this blog, you might know that I travel nearly 20+ days out of 30 days in a month. There are cases when I dont have a chance to go home for an entire month and my family has to travel to different cities just to meet me. During [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Exception handling in 3-Tier Architecture

Exception handling in 3-Tier Architecture using Enterprise Library...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Samsung presentation

I’ve published my Samsung bada/HTML5 apps presentation of yesterday. People who religiously follow my presentation will not find much new stuff in there, except maybe that I made the case for a change of app monetisation more forcefully than before....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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BizTalk: Repeating structures with the Table Looping and Tab

How to use the Table looping functoid in conjunction with the Table extractor functoid. read moreBy BiZTech KnowDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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How Windows Azure Works

This article is taken from the book Azure in Action. The authors provide the history and current state of data centers, followed by a discussion of how Azure is architected and how Microsoft runs the cloud operating system.

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Palm take-over watch

This is just in: HTC is said to be considering taking over Palm. That would be an interesting development, since HTC is one of the few parties we can trust not messing up webOS but actually using it as it’s supposed to work.Palm has an absolutely first-rate product in webOS, especially its user interface. As far as I’m concerned the Palm Pre is the only phone that’s (almost?) on a par with the iPhone when it comes to UI, although the system is completely different (and has supported multitasking...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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A New Closed Source Viral License

The copyleft provisions of the GPL (GNU General Public License) require that any changes or additions to a GPL licensed work must itself be licensed under terms that adhere to the GPL. Critics of these copyleft provisions have derogatively labeled the GPL as a viral license. Such criticism points out that any code that seeks to incorporate GPL licensed code must itself adhere to the terms of the GPL, thus potentially infecting other code with its restrictions. This has caused many developers of...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Microsoft Dropping Itanium Support

Microsoft plans to end the support it provides on three of its flagship software products for Intel's Itanium processor....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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SQLAuthority News Win MS Office License Last 2 days

Just a note for everybody who is from India and want to win FREE Office License, participate in very easy contest here. SQLAuthority News Virtual Launch Event for Office 2010 Contest Win MS Office License Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Using NBuilder to mock up a data driven UI - Part 1

In this article we will take a look at a fairly new open source project called NBuilder (http://www.nbuilder.org and http://code.google.com/p/nbuilder/) and how it can be used to provide us with fake data out of the gate. NBuilder allows you to quickly stand up generated objects based on standard .net types in an easy fluent manner. And that is just the start!

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[News] Compte-rendu des TechDays 2010 par Octo

Les Techdays 2010 se sont achev?s il y a quelques jours, l'occasion pour Octo, qui ?tait pr?sent, de publier une s?rie de compte-rendus. Les sessions couvertes par ce billet portent sur Entity Framework, Azure, C# V4, WPF et la gestion des fuites m?moire.

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Problems with Silverlight 3 Bitmaps

As many people move to Silverlight 4, some of us that still have old projects in Silverlight 3, I havent found any solution to the below problem just yet, just a workaround for now. Still when using Visual Studio 2008 and Silverlight I receive this error on BitmapImages, something that looks like got fixed in Visual Studio 2010 and Silverlight 4, I havent tried in VS2010 and Silverlight 3. Silverlight 3: BitmapImage.SetSource - Catastrophic failure Message="Catastrophic failure (Exception...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Custom Configuration Section Handlers

Most .NET developers who need to store something in configuration tend to use appSettings for this purpose, in my experience. More recently, the framework itself has helped things by adding the <connectionStrings /> section so at least these are in their own section and not adding to the appSettings clutter that pollutes most apps. I recommend avoiding appSettings for several reasons. In addition to those listed there, I would add that strong typing and validation are additional reasons to go the custom configuration section route. For my ASP.NET Tips and Tricks talk, I use the following example, which is a simple DemoSettings class that includes two fields. The first is an integer representing how many attendees there are present for the talk, and the second is the title of the talk. The setup in web.config is as follows: <configSections> <section name="DemoSettings" type="ASPNETTipsAndTricks.Code.DemoSettings" /> </configSections> <DemoSettings sessionAttendees="100" title="ASP.NET Tips and Tricks DevConnections Spring 2010" /> Referencing the values in code is strongly typed and straightforward. Here I have a page that exposes two properties which internally get their values from the configuration section handler: public partial class CustomConfig1 : System.Web.UI.Page { public string SessionTitle { get { return DemoSettings.Settings.Title; } } public int SessionAttendees { get { return DemoSettings.Settings.SessionAttendees; } } } Note that the settings are only read from the config file once after that they are cached so there is no need to be concerned about excessive file access. Now weve seen how to set it up on the config file and how to refer to the settings in code. All that remains is to see the file itself: public class DemoSettings : ConfigurationSection { private static DemoSettings settings = ConfigurationManager.GetSection("DemoSettings") as DemoSettings; public static DemoSettings Settings{ get { return settings;} } [ConfigurationProperty("sessionAttendees" , DefaultValue = 200 , IsRequired = false)] [IntegerValidator(MinValue = 1 , MaxValue = 10000)] public int SessionAttendees { get { return (int)this["sessionAttendees"]; } set { this["sessionAttendees"] = value; } } [ConfigurationProperty("title" , IsRequired = true)] [StringValidator(InvalidCharacters = "~!@#$%^&*()[]{}/;\"|\\")] public string Title { get { return (string)this["title"]; } set { this["title"] = value; } } } The class is pretty straightforward, but there are some important components to note. First, it must inherit from System.Configuration.ConfigurationSection. Next, as a convention I like to have a static settings member that is responsible for pulling out the section when the class is first referenced, and further to expose this collection via a static readonly property, Settings. Note that the types of both of these are the type of my class, DemoSettings. The properties of the class, SessionAttendees and Title, should map to the attributes of the config element in the XML file. The [ConfigurationProperty] attribute allows you to map the attribute name to the property name (thus using both XML standard naming conventions and C# naming conventions). In addition, you can specify a default value to use if nothing is specified in the config file, and whether or not the setting must be provided (IsRequired). If it is required, then it doesnt make sense to include a default value. Beyond defaults and required, you can specify more advanced validation rules for the configuration values using additional C# attributes, such as [IntegerValidator] and [StringValidator]. Using these, you can declaratively specify that your configuration values be in a given range, or omit certain forbidden characters, for instance. Of course you can write your own custom validation attributes, and there are others specified in System.Configuration. Individual sections can also be loaded from separate files, using syntax like this: <DemoSettings configSource="demosettings.config" /> Summary Using a custom configuration section handler is not hard. If your application or component requires configuration, I recommend creating a custom configuration handler dedicated to your app or component. Doing so will reduce the clutter in appSettings, will provide you with strong typing and validation, and will make it much easier for other developers or system administrators to locate and understand the various configuration values that are necessary for a given application. Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Creating your First Crystal Report for Use in a .NET Application

Have you ever had to create a custom report within an application you have written for a customer? Most developers have, and there are two schools of thought on how developers normally perform this task. Some choose to create the report using the same technology that the application was created in (ASP, WinFrom, WPF) while others choose to use a reporting package such as Crystal Reports. Using a reporting package will help create reports rapidly. This article walk you through the creation of your first report using Crystal Reports.Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Call Web Service via BizTalk Orchestration via received file

This example shows how some business logic can be implemented by receiving a file into a BizTalk Orchestration and calling a Web Service. The results of the Web Service call are decided upon from the contents of the incoming file and the response message is constructed accordingly. The response message is also saved down to the local file system. read moreBy BiZTech KnowDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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DAC pack up all your troubles

Visual Studio 2010 is being geared up to become the natural way for developers to create databases. Central to this drive is the introduction of 'data-tier application components', or DACs. Something had to be in place for VS2010, but right now DAC packs only make sense for Azure. For this, they're cute, but hardly compelling. Nevertheless, DBAs would do well to get familiar with VS 2010 and DAC packs. Like it or not, they're both coming....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Microsoft Office Developer Sessions from SharePoint Conference 2009 Now Live

Readers of the blog know that SharePoint Conference 2009 had some pretty memorable highlights. Now, we're excited to announce that five key Office developer sessions are now freely viewable online. Here's the list of sessions: What's New in Office 2010 for Developers: http://msdn.microsoft.com/en-us/office/ff436077.aspx This session gives you insight into the investments we've made in Office 2010, SharePoint 2010, and Visual Studio 2010 to improve the Office solution development experience. Access...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Agile Entity Framework 4 Repository: Part 6: Mocks & Unit Tests

I did finish this series, honest I did. But not in the blog. Ive shown this in a number of conferences and even in my book, but I never came back and wrote it all down. In fact, I had the whole solutino written before I began the series, but it has gone through a lot of changes. Where did I leave off? Agile Entity Framework 4 Repository: Part 1- Model and POCO Classes Agile Entity Framework 4 Repository: Part 2- The Repository Agile EF4 Repository: Part 3 -Fine Tuning the Repository Agile...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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How Orchard works

I just finished writing a long documentation topic on the Orchard project wiki that aims at being a good starting point for developers who want to understand the architecture, structure and general philosophy behind the Orchard CMS. It is not required reading for anyone who only wants to write Orchard modules and themes but hopefully it will help people who want to evaluate the platform and start writing patches. Read it here: http://orchardproject.net/docs/How-Orchard-works.ashx...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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