Question 402985 in Json Question posted in
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Json – How to create class by name "class"

I have input payload model (JSON) which contains JSON object by name class. I have to create a mapping class for JSON but since it contains the restricted keyword class, I cannot use it.

Below is the JSON to be mapped in the class:

"item": {
    "items": [
        {
            "department": {
                "id": "5",
                "refName": "test"
            },
            "class": {
                "id": "2",
                "refName": "test"
            }
        }
    ]
}

I have to use the above payload for the POST operation but since it contains the keyword class, I cannot use it. How can I achieve this?

Tags:

2

Answers


  1. 0

    class is a C# reserve keyword. Instead, you should work with JsonPropertyAttribute (from Newtonsoft.Json) or JsonPropertyName (from System.Text.Json).

    For Newtonsoft.Json:

    using Newtonsoft.Json;

[JsonProperty("class")]
public Class Class { get; set; }

    For System.Text.Json:

    using System.Text.Json.Serialization;

[JsonPropertyName("class")]
public Class Class { get; set; }
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  2. 0

    You also could use @class if you don’t want to use JsonProperty attribute.

    It can be read here:

    Keywords are predefined, reserved identifiers that have special meanings to the compiler. They can’t be used as identifiers in your program unless they include @ as a prefix. For example, @if is a valid identifier, but if isn’t because if is a keyword.

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