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• Validating properties of a class in .NET 3.5

  A few years ago (5 I believe) I was in the process of building an API / Framework for this.  ASP.NET Dynamic Data supports the RegularExpressionAttribute class.  Cool!   http://msdn.microsoft.com/en-us/library/system.componentmodel.dataannotations.regularexpressionattribute.asp Read More... Posted Thursday, July 16, 2009 1:07 AM by david | 0 Comments Filed under: .NET 3.5, ASP.NET, WCF, .NET 4.0

• Bug with Visual Studio 2010 and DBML designer – Changes not causing regeneration of DataContext code.

  Vote for this bug if you encounter this problem.  Basically in 2010, if you regen the DBML file outside of VS the underlying DataContext code does not get regenerated.  This is bad because changes outside of VS 2010 to your DBML will not get Read More... Posted Monday, July 13, 2009 9:53 PM by david | 0 Comments Filed under: C#, .NET 3.5, Linq, Visual Studio 2010, .NET 4.0, DBML

• WPF: How to bind to an enum in XAML.

  Finally found a great article on this after some searching and finding really outdated articles! http://msdn.microsoft.com/en-us/library/bb613576.aspx < Window xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml" Read More... Posted Thursday, July 09, 2009 6:39 PM by david | 0 Comments Filed under: .NET 3.5, Silverlight, .NET 4.0, XAML, WPF

• AG_E_UNKNOWN_ERROR inside Silverlight/WPF project

  I encountered the infamous AG_E_UNKNOWN yesterday.  I was actually using Silverlight controls from Telerik.  I dragged the RadGridView control inside my XAML and thats where the problem manifested.  Apparently the drag/drop operation did Read More... Posted Thursday, July 09, 2009 5:12 PM by david | 0 Comments Filed under: .NET 3.5, XML, Silverlight, .NET 4.0, WPF

• How to bind the value of a slider control to another control’s property in WPF/Silverlight.

  This should work for WPF and Silverlight.  This is a SUPER simple example.  I find it hard to locate really good clean examples in WPF / Silverlight.  People tend to do a lot of Control Templating and Style-izing which clouds the code.  Read More... Posted Wednesday, July 08, 2009 5:34 PM by david | 0 Comments Filed under: Visual Studio 2008, .NET 3.5, Silverlight, Visual Studio 2010, .NET 4.0, XAML, WPF

• Custom configuration settings and persisting data to XML… the right way.

  At my wits end with some seriously lame code I stumbled upon today.  Believe it or not, I actually saw a developer use a dead open source .ini reader/writer to read and write ONE setting in a config file.  The best part is the open source project Read More... Posted Tuesday, July 07, 2009 9:23 PM by david | 0 Comments Filed under: C#, .NET 3.5, .NET 2.0, .NET 3.0, XML, Serialization, .NET 4.0

• Code Snippet for Dependency Property (WPF/SL)

  I am writing some User Controls for a WPF application and needed a quick way to create my Dependency Properties for my control. Below is the code snippet. First element is the type, next the Property Name, then the Containing Class name (you need this Read More... Posted Sunday, July 05, 2009 10:59 PM by david | 0 Comments Filed under: .NET 3.5, Silverlight, .NET 4.0, XAML, WPF

• How do I add an image to a Telerik R.A.D. Expander control in WPF.

  It turns out to be quite simple. Add the expander to your WPF control surface: <telerik:RadExpander Height= "24" Name= "radExpander2" Width= "170" /> Specifically set the Header property in the XAML like so: <telerik:RadExpander Height= "24" Read More... Posted Friday, June 26, 2009 9:24 PM by david | 0 Comments Filed under: .NET 3.5, XAML, WPF

• Convert a WPF Browser Application project to a WPF Application

  So I started an application as a WPF Browser Application (XBAP – Xaml Browser APplication) and quickly noticed that I needed to do some things that really should be in a stand alone app for CAS reasons.  I found a blog entry by Karen Corby that showed Read More... Posted Monday, June 01, 2009 6:02 PM by david | 0 Comments Filed under: Visual Studio 2008, .NET 3.5, .NET 4.0, WPF, XBAP

• .NET – My application works on XP but not Server 2003, Vista, Server 2008, Windows 7…

  Application manifests work differently between XP and the 2003/Visa cores.  On Windows XP the external manifest is searched for and utilized first. On Server 2003 and later the Internal manifest is read first.  See Junfena Zhang’s post on this Read More... Posted Monday, May 18, 2009 10:14 PM by david | 0 Comments Filed under: .net, .NET 3.5, .NET 2.0, .NET 3.0, Vista, Windows, 32 Bit, 64 Bit, Windows Server 2008

• Converting over to a new blog platform – BlogEngine.net

  I will be converting from the Community Server platform to BlogEngine.net shortly.  I will build a data converter for the rollover and have my blog ported over very soon, hopefully with some of my own custom Silverlight elements. http://blogengine.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=2608 Read More... Posted Friday, May 15, 2009 10:06 PM by david | 0 Comments Filed under: C#, .NET 3.5, Silverlight

• Mouse gestures to display context menu in Silverlight.

  Morten has a great little article with supporting source code explaining how to display a context menu with mouse gestures such as shift-click, double click, right-click..etc.  The code is very useful.  Good job! http://www.sharpgis.net/post/2009/05/09/Adding-rightclick-to-Silverlight.asp Read More... Posted Friday, May 15, 2009 10:02 PM by david | 0 Comments Filed under: C#, .NET 3.5, Silverlight

• SplendidCRM project file for Visual Studio 2008 and .NET 3.5 – working!

  So for those of you that do not know, Splendid CRM is a (sorta) free CRM product based on Sugar CRM (another sorta free).  Both products are great CRM codebases.  The SplendidCRM version is re-written in C# and .NET.  The community version Read More... Posted Monday, May 11, 2009 5:03 AM by david | 0 Comments Filed under: C#, Visual Studio 2008, .NET 3.5, ASP.NET, Converter, CRM

• .NET RIA Services – New Domain Service Class does not show your available DataContexts

  One issue I noticed with RIA services is that LINQ to SQL DBML classes do not show in the Available Data Context drop down until you have compiled the dbml at least once.  This is for obvious reasons but it would be nice to have a warning message Read More... Posted Friday, May 08, 2009 4:56 PM by david | 0 Comments Filed under: ASP .NET, C#, Visual Studio 2008, .NET 3.5, Linq, Silverlight, .NET RIA Services

• Bug in Silverlight 3 when adding a service reference to a Silverlight Application under source control.

  Problem:  Add a reference to a WCF service to your Silverlight 3 application.  The proxy client is created but the binding and endpoint configuration fails to write to the ServiceReferences.ClientConfig file.   Workaround:  Checkout Read More... Posted Monday, May 04, 2009 5:52 PM by david | 0 Comments Filed under: Visual Studio 2008, .NET 3.5, Silverlight, Team Foundation Server 2008