![]() ![]() Create an implementation of JsonConverter and then add the JsonConverter attribute to you the properties and classes where you need that custom conversion. When you need to make custom adjustments when you serializing and deserializing your JSON data to or from objects, you’ll want to create an implementation of JsonConverter. "fields": = String.Empty Īfter that, everything ran fine and I had the data I needed in the format that I wanted. For example, the data type for System.Rev is a number, the value for System.State is a string, System.ChangedDate is a datetime, and then is a really complex object that represents the person who performed the action. The following code is my tryout to get this job done. How can I be sure that the values are deserialized correctly. I try to put these values in an enum, since the default StringEnumConverter doesnt do what I want, which is to to decorate this Converter with some additional logic. The keys are values like “System.Rev” or “System.State” but then the values for the “oldValue” and “newValue” properties can be completely different. I consume an API which returns the string values like this: some-enum-value. ![]() The fields property is basically a Dictionary. Well, in Azure DevOps, a field can be a handful of different data types including integer, string, boolean, date, or a person’s identity. In the return value from that service, there’s a collection of changed field values that gives you the old value and the new value as those fields change. The editor offers all your need in one place: from formatting and beautifying your JSON data to comparing JSON documents or querying your JSON data. It is one of the best and most popular tools around, has a high user satisfaction, and is completely free. (If you’re feeling impatient, here’s the sample code.) Strange Data Formats JSON Editor Online is a versatile, high quality tool to edit and process your JSON data. The ultimate answer was a custom implementation of JsonConverter. > System.InvalidOperationException: Cannot get the value of a token type ‘Number’ as a string.” Path: $. | LineNumber: 24 | BytePositionInLine: 25. ![]() Then I started getting tons of exceptions saying things like “: The JSON value could not be converted to System.String. Specifically, I needed to call the Work Item Updates REST service in order to get all the state value changes for a bunch of work items.Įverything was fine until I needed to convert the JSON result data from strings into objects. I’ve been working on a tool lately to parse a bunch of work item data from Azure DevOps. ![]()
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