Shane Bartholomeusz

Geek and lover of all things tech related

Tag: C#

How To: Generate Swagger REST API Client

Overview

As the web continues to grow and evolve, API’s are where all the magic happens that powers this innovation. REST API’s have become increasingly more favoured by developers for their ease of use over other alternatives (XML I’m looking at you).

Unfortunately, REST API’s can sometimes become a bit unwieldy in terms of documenting them, and consuming them. It is for this reason that Swagger was born! Swagger will autogenerate documentation for your REST API in the form of an Open API specification (swagger.json) document (formerly Swagger Specification). This makes it much easier for developers to understand and consume an API.

Third-party developers can then use the swagger.json specification file to either manually create an API client or auto-generate one for the preferred language of choice.

In this post, I’ll show you how to autogenerate a C# REST API client from a swagger.json in a few easy steps.

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Solved: Azure Functions Can’t Bind Parameter ‘data’ to Type Error

Problem

Recently I came across an unusual error whilst working with C# Azure Functions. When the Function was executed, the console window showed the following error.

The ‘XXXXXX’ function is in error: Microsoft.Azure.WebJobs.Host: Error indexing method ‘XXXXXX ‘. Microsoft.Azure.WebJobs.Host: Can’t bind parameter ‘data’ to type ‘XXXXXX’.

I checked the Activity function parameter bindings however couldn’t see any obvious issue. However after some head scratching I eventually figured out the source of the issue …

In this post I’ll show you how to resolve this issue.

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Visual Studio: Generate Class From JSON String

Overview

If you work JSON documents, I’m sure you’ve probably had to create a class file from a JSON string. Doing this manually can be a real pain in the proverbial, especially if you are working with a large JSON document. It can also be very error-prone. Therefore it’s best to automate this conversion.

In this post I’ll show you how to automatically generate a class file from a JSON string using a little known feature built into Visual Studio.

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