Sequence contains more than one element

Easiest way to debug Seed-method in EF Code-first migrations in Configuration.cs when running Update-Database

Reading Time: 4 minutes. This post describes the easiest way to debug the issues that may stop your Seed-method in Configuration.cs from going through. The solution here shows you, how you can get a little bit more information out of the process, without attaching the debugger (there’s another blog post for that!) Description Entity Framework’s code-first migration’s are a beautiful and easy way of managing database schema changes and populating some preliminary data there. Personally I also sometimes use the method for adding some enrichment to data or or […]

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Fixing the “Could not load file or assembly … or one of its dependencies” error

Reading Time: 2 minutes. This post describes how to fix the “Could not load file or assembly ‘[assemblyname]’ or one of its dependencies. An attempt was made to load a program with an incorrect format.” error.  Problem Especially while installing a new dev machine, and building your project for the first time, you may end up getting the following exception: Could not load file or assembly ‘[assemblyname]’ or one of its dependencies. An attempt was made to load a program with an incorrect format. No fear, though, as this […]

Applying Entity Framework’s Code-First Migrations against a Database in Azure by running Update-Database

Reading Time: 3 minutes. This post describes how to run Entity Framework’s code-first migrations against a database located in the Windows Azure. This is done by running Update-Database commandlet with suitable switches, see below. The problem and symptoms Okay, so you’re developing your MVC+EF cool web app with a database in Azure, and you’re using code-first migrations. Cool! What’s nice with code-first-migrations is the fact they are run automatically even in the cloud the next time your app is running (as long as you publish your app with that […]

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Exception of type ‘System.OutOfMemoryException’ was thrown.

Reading Time: 3 minutes. This post describes one of the more no-brainerish ways of fixing a ‘System.OutOfMemoryException’ exceptions being thrown in your ASP.Net MVC application using C# and Entity Framework. Problem While developing a web project, for example an ASP.NET MVC web application which is using EF, sometimes when handling a lot of data or complex entities on your dev machine, you encounter this error: OutOfMemoryException: Exception of type ‘System.OutOfMemoryException’ was thrown.] System.Text.StringBuilder.ToString() +35 System.IO.StreamReader.ReadToEnd() +123 System.Web.Optimization.BundleFile.ApplyTransforms() +74 System.Web.Optimization.DefaultBundleBuilder.BuildBundleContent(Bundle bundle, BundleContext context, IEnumerable`1 files) +472 System.Web.Optimization.Bundle.GenerateBundleResponse(BundleContext context) +127 System.Web.Optimization.Bundle.GetBundleResponse(BundleContext […]

Visual Studio settings for "Track my active file in Solution Explorer" - a really useful setting to have enabled, if you ask me!

Tip: Scroll Solution Explorer to current file in Visual Studio 2012, 2013, 2015 and 2017

Reading Time: 2 minutes. This quick post describes how to get the Solution Explorer to actually track your currently open file. For some reason, this extremely useful feature is disabled by default in Visual Studio. Enabling it helps you to better conserve your context, and see which part of your solution you’re in, while you’re developing a complex piece of software. Give it a try, in case you haven’t already! It’s great and extremely useful! :) Posts Related to “Tip: Scroll Solution Explorer to current file in Visual Studio […]