Category Archives: .NET Core

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

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

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C# HttpClient POST or PUT Json with content type application/json

The HttpClient is a nifty tool for getting and sending data to a URL, but it works differently from the old fashioned WebRequest class. The content type is added to the post data instead of added as a header parameter. … Continue reading

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C# Newtonsoft serialize property that is an array and a string

IdentityServer4 has a strange way of returning roles. If there is only one role, the property is a string: But if there is more than one role, the property is an array of strings: If the property is a string, … Continue reading

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Which of my old Sitecore posts are still valid in Sitecore 9?

I have been writing Sitecore blog posts since April 2006. The first ones were for Sitecore 4.2. Now, 13 years later, some of the old posts are still valid, while others are obsolete as the Sitecore API have changed. But … Continue reading

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IdentityServer use IdentityModel to get user token and user info

Using IdentityServer have been made easier with the IdentityModel helper library. The library implements extension methods that maps the input and output to classes. GET ACCESS TOKEN: Use the PasswordTokenRequest and RequestPasswordTokenAsync to get the access token. replace your_domain, your_clientid … Continue reading

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

Change date format using .NET Regular Expressions

You can use Regex.Replace to change the format of a date string. For example if your input string is YYYY/MM/DD but you need to change it to YYYY-MM-DD, you can use this small method: Regular expressions are unreadable as usual, … Continue reading

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Read from Azure Queue with Azure WebJobs 3.0 and .NET Core

From WebJobs 2.0 to WebJobs 3.0 Microsoft have completely rewritten the way Azure WebJobs is used. The reasons are probably noble, but they require you to redo your work when upgrading. So I made this template that allows me to … Continue reading

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Read blob file from Microsoft Azure Storage with .NET Core

In order to read a blob file from a Microsoft Azure Blob Storage, you need to know the following: The storage account connection string. This is the long string that looks like this: DefaultEndpointsProtocol=https; AccountName=someaccounfname; AccountKey=AVeryLongCrypticalStringThatContainsALotOfChars== The blob storage container … Continue reading

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Serilog – Add thread ID to the log file

Serilog is more or less the default file logger when developing .NET Core applications. The simple logger can easily be modified to – for example – add the thread ID. FIRST THINGS FIRST: THE SERILOG NUGET PACKAGES You need these … Continue reading

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