Category Archives: .net

.NET Core Worker Services with Application Insights and Serilog

Posted on March 20, 2020 by

The .NET Core Worker service is yet another tool in the .NET toolbox. They are perfect for background processing like reading from a queue or making health checks. They are cross-platform (of course) and they can run on docker containers, … Continue reading →

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System.DllNotFoundException: Unable to load DLL ‘sni.dll’ or one of its dependencies: The specified module could n ot be found. (0x8007007E)

Posted on March 11, 2020 by

This message happens when deploying my .NET Core 3.1 application to production (when compiling the code to an .exe file), but not when running the application locally. It turns out, that Dapper is missing a reference to System.Data.SqlClient. Adding the … Continue reading →

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Sync Sitecore content to external database

Posted on March 6, 2020 by

The legal department of the client requested that we sync parts of the Sitecore tree to an external, system-versioned temporal table, so that we have a full audit trail of changes to these items including before-and-after values. Fear not, this … Continue reading →

Posted in .net, c#, Sitecore 5, Sitecore 6, Sitecore 7, Sitecore 8, Sitecore 9 | Tagged , , , , , , | Leave a comment

C# Get expiry timestamp from JWT token

Posted on February 27, 2020 by

JWT tokens (or Json Web Tokens) are an open-standard the defines a way to transmit information between 2 parties in a secure manner. Identity Server 4 uses JWT as a security token. These tokens have an expiry timestamp, and if … Continue reading →

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Sitecore Create/Read/Update/Delete/Copy/Move/Rename item – the beginners guide

Posted on January 23, 2020 by

New Sitecorians often ask the most trivial questions, and I am happy to answer them. This question popped up lately: How do you perform basic CRUD operations on your Sitecore items? Well, it’s easy: READ ITEM (GET ITEM): CREATE ITEM: … Continue reading →

Posted in .net, c#, General .NET, Sitecore 5, Sitecore 6, Sitecore 7, Sitecore 8, Sitecore 9 | Tagged , | 1 Comment

Sitecore use item:deleting event to avoid deletion of items

Posted on January 3, 2020 by

The Sitecore extendable model allows you to build business rules into your Sitecore solution. This is an example where I disallow deletion of certain items when a certain business rule is true. This pattern could be implemented using a field … Continue reading →

Posted in .net, c#, Sitecore 6, Sitecore 7, Sitecore 8, Sitecore 9 | Tagged , , | 1 Comment

Sitecore use global and environment variables in config files

Posted on November 15, 2019 by

The Sitecore config files are a complex machine and it requires a healthy mind to work with it. Fortunately Sitecore have implemented a few tricks to ease our pain. This article focuses on 2 parts: global variable replacement and environment … Continue reading →

Posted in .net, General .NET, Sitecore 8, Sitecore 9 | Tagged , , , | 1 Comment

.NET Core API and CORS – allow POST from Javascript using Microsoft.AspNetCore.Cors

Posted on October 30, 2019 by

After hours of debugging, I finally managed to apply CORS correctly to my .NET Core 3.0 Application. Like so many other before me, I used this article as reference: Enable Cross-Origin Requests (CORS) in ASP.NET Core But I still managed … Continue reading →

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Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the ‘await’ operator to the result of the call

Posted on October 23, 2019 by

This C# warning occurs if you call an async method from your non-async code. Imagine you have this imaginary async method: And you call the method from this imaginary non-async method: The compiler will warn you with the following message: … Continue reading →

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.NET Core MVC Web API – control DateTime format in JSON output using JsonSerializerOptions

Posted on October 15, 2019 by

When creating API’s with .NET Core MVC, you can control the JSON output by adding JsonOptions to the controllers: This will ensure that when requesting application/json from a GET method, the format returned is JSON. You can then add Converters … Continue reading →

Posted in .net, .NET Core, c# | Tagged , , , , | 1 Comment