DllRegisterServer 0x80020009 Error

How I hate COM stuff... and maybe take a look at your file encodings.

Posted on 31 Oct 2020 by Robert Muehsig


How to share an Azure subscription in a team

Let's use Azure, but somebody needs to pay the bills!

Posted on 29 Sep 2020 by Robert Muehsig


How to run a legacy WCF .svc Service on Azure AppService

WCF... that is a thing I haven't heard in a long time.

Posted on 31 Aug 2020 by Robert Muehsig


EWS, Exchange Online and OAuth with a Service Account

Is is possible without full access to all mailboxes? YES!

Posted on 31 Jul 2020 by Robert Muehsig


Can a .NET Core 3.0 compiled app run with a .NET Core 3.1 runtime?

A short lesson in the version selection of .NET Core

Posted on 30 Jun 2020 by Robert Muehsig


SqlBulkCopy for fast bulk inserts

TL;DR: If you want to import many rows in a MS SQL database use SqlBulkCopy

Posted on 31 May 2020 by Robert Muehsig


Blazor for Office Add-ins: First look

TL;DR: Severside Blazor might work, WebAssembly unfortunately no

Posted on 30 Apr 2020 by Robert Muehsig


Escape enviroment variables in MSIEXEC parameters

TL;DR: If you invoke MSIEXEC via CMD use %%var%% instead of %var%

Posted on 27 Mar 2020 by Robert Muehsig


TLS/SSL problem: 'Could not create SSL/TLS secure channel'

TL;DR: Update your machine...

Posted on 29 Feb 2020 by Robert Muehsig


Accessibility Insights: Spot accessibilities issues easily for Web Apps and Windows Apps

TL;DR: Download Accessibility Insights and check our app for issues.

Posted on 31 Jan 2020 by Robert Muehsig


T-SQL Pagination

OFFSET and FETCH

Posted on 30 Dec 2019 by Robert Muehsig


Did you know that you can build .NET Core apps with MSBuild.exe?

... or how to avoid: 'The Microsoft.Build.Tasks.AL task could not be loaded from the assembly Microsoft.Build.Tasks.Core...'

Posted on 30 Nov 2019 by Robert Muehsig


IdentityServer & Azure AD Login: Unkown Response Type text/html

... and how to fix it.

Posted on 13 Oct 2019 by Robert Muehsig


Enforce Administrator mode for builded dotnet exe applications

... hello UAC!

Posted on 30 Sep 2019 by Robert Muehsig


Check installed version for ASP.NET Core on Windows IIS with Powershell

... can my ASP.NET Core application run on this Windows Server?

Posted on 31 Aug 2019 by Robert Muehsig


SQL Server, Named Instances & the Windows Firewall

Or how to fix 'A network-related or instance-specific error occurred while establishing a connection to SQL Server.'

Posted on 31 Jul 2019 by Robert Muehsig


Jint: Invoke Javascript from .NET

Combine the power of Javascript and C# with Jint.

Posted on 30 Jun 2019 by Robert Muehsig


Build Windows Server 2016 Docker Images under Windows Server 2019

Building Docker Images with different Windows targets...

Posted on 31 May 2019 by Robert Muehsig


Update OnPrem TFS 2018 to AzureDevOps Server 2019

How to update a OnPrem TFS 2018 installation to the newest Azure DevOps Server 2019.

Posted on 30 Apr 2019 by Robert Muehsig


Load hierarchical data from MSSQL with recursive common table expressions

Designing a hierachie inside MS SQL can be painfull, but at least there is a way to load this data in a fast way.

Posted on 31 Mar 2019 by Robert Muehsig