Derik Whittaker

EntityCollection or EntityReferece error in EF when using .ToList()

This is just odd and I am hoping someone can explain it to me. Today when doing a EF query (see below) I received the following error. Here is the original EF Query which was causing the error At first I was a bit stumped because this same query...

Published 05-18-2012 6:38 AM by Derik Whittaker

Filed under: Entity Framework

Using TPL to access Async WCF Endpoints in ASP.net MVC

I am in the process of building out a internal portal/dashboard for our company which will allow us to get a status of what is going on behind the scenes in our application. I want this site to utilize our existing WCF endpoint and as much existing...

Published 05-13-2012 3:07 PM by Derik Whittaker

Filed under: ASP.Net MVC, WCF

Using GridView ItemTemplate and ItemTemplateSelector at the same time

If you are building a XAML based WinRT application which uses a GridView it is very likely you are going to use an ItemTemplate style OR use the ItemTemplateSelector to determine which style to use. This is great and using either of these could...

Published 05-04-2012 12:56 PM by Derik Whittaker

Filed under: XAML, WinRT

Incorrect Image Format Error -- x86 vs x64 vs Any CPU

Today I was trying to wrap one of our .dll projects in a wcf endpoint and ran into an odd issue that took 3 hours to resolve and the mad skills of my co-worker James to help resolve. Long story short, when I would F5 my web project which was hosting our...

Published 04-25-2012 10:23 AM by Derik Whittaker

Filed under: .Net, ASP.Net MVC, WCF

EF + Overriding Equals == Massive headache

Do you ever have one of those ‘Doh’ days? One of those days where you spend like 6 hours trying to replicate a bug simply so you can debug it. One of those days you wish you could have back? Well I had one of those last week, let me...

Published 04-24-2012 4:46 AM by Derik Whittaker

Filed under: Entity Framework

Working with Image Paths in WinRT–Something odd here

Over the weekend I was pounding away at my first ‘WinRT’ application which I plan to submit to the marketplace. During this process I ran into some really odd issues with getting images to display in the UI at runtime. Let me explain my issue: I...

Published 04-16-2012 5:25 AM by Derik Whittaker

Filed under: XAML, WinRT

GridView SelectedItem Binding Gotcha in WinRT

Last night when I was doing some WinRT hacking I was trying to setup databinding to the selected item in the GridView control and I ran into a gotcha that I thought I would share. First, I was using the ‘Split Application’ template for my C# project. ...

Published 04-10-2012 3:32 AM by Derik Whittaker

Filed under: XAML, WinRT

Working with Tiles for Windows Metro Applications

When building a Windows Metro (aka Windows 8) application it is important that your application have a nice looking tile. It is also encouraged to enable your tile to be ‘live’, meaning it can update itself with content based on some event, if that...

Published 03-31-2012 9:35 AM by Derik Whittaker

Filed under: XAML, WinRT

CSharp.Target errors when using a Developer Preview version of a Metro Library

When I finally got around to upgrading my Build tablet to run the Consumer Preview of both Windows 8 and VS 11 I immediately ran into an issue when trying to attach a ‘legacy’ VS11 project from the Developer Preview version to a new project using the...

Published 03-25-2012 8:19 AM by Derik Whittaker

Filed under: .Net IDE, Visual Studio 11

VS11, Silverlight and Ria Services Command line build issue (MSB4006)

I just upgraded my dev laptop to Vs11 and all was great with the world….. Until I ran my command line build script on my Silverlight project. When my script failed with the following error I was perplexed because of course everything ran fine from...

Published 03-20-2012 9:43 AM by Derik Whittaker

Filed under: .Net IDE, Visual Studio 11

Magic to my eyes

I know this may be lame but this may simply be the best install feature ever invented…. Enough said J Till next time,

Published 03-19-2012 7:58 PM by Derik Whittaker

Filed under: .Net IDE

WebApi and Json Deserialization into an object model

If you use WebApi with the Asp.Net MVC framework you may not realize that there is some ‘magic’ that takes place under the hood to convert the over the wire data from Json into an object. You may not realize this because by default it ‘just works...

Published 03-01-2012 4:22 PM by Derik Whittaker

Filed under: WCF, WebApi

Consuming WebApi endpoints in your application

In my prior post I walked you though how to setup WebApi in a self hosted environment. In this post we will take a look at how to consume a WebApi endpoint. We will do this by using the code from the prior example as well as by creating a new console...

Published 02-28-2012 8:35 AM by Derik Whittaker

Filed under: WCF, WebApi

Zero to Self Hosting AspNet WebAPI in a few short steps

So #AspNetWebAPI has finally reach beta and I finally have gotten off my a$$ and starting playing around with it. Sure I have read the info on line, I have sat through numerous sessions where it was being taught and all along I have been telling...

Published 02-27-2012 4:42 AM by Derik Whittaker

Filed under: WCF, WebApi

PSake and building Silverlight solutions

If you are using PSake to build .net projects and your project has a silverlight project in it you may get the following error. C:\Program Files (x86)\MSBuild\Microsoft\Silverlight\v4.0\Microsoft.Silverlight.Common.targets(104,9): error : The Silverlight...

Published 02-04-2012 12:02 PM by Derik Whittaker

Filed under: PSake, Powershell

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EntityCollection or EntityReferece error in EF when using .ToList()

Using TPL to access Async WCF Endpoints in ASP.net MVC

Using GridView ItemTemplate and ItemTemplateSelector at the same time

Incorrect Image Format Error -- x86 vs x64 vs Any CPU

EF + Overriding Equals == Massive headache

Working with Image Paths in WinRT–Something odd here

GridView SelectedItem Binding Gotcha in WinRT

Working with Tiles for Windows Metro Applications

CSharp.Target errors when using a Developer Preview version of a Metro Library

VS11, Silverlight and Ria Services Command line build issue (MSB4006)

Magic to my eyes

WebApi and Json Deserialization into an object model

Consuming WebApi endpoints in your application

Zero to Self Hosting AspNet WebAPI in a few short steps

PSake and building Silverlight solutions