ASP.NET Core by Patrik

Return JSON in camelCase

How to return JSON in camelCase?

Configure in Startup.cs

First of all, add this dependency:

using System.Text.Json;

Then add this in ConfigureServices():

 services.AddJsonOptions(options =>
{
options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;
});

Change JsonSerializer options

Supply JsonSerializer.Serialize() with the optional JsonSerializerOptions object and override the casing:

string jsonString = JsonSerializer.Serialize(m, new JsonSerializerOptions() { PropertyNamingPolicy = JsonNamingPolicy.CamelCase });

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	services.AddJsonOptions(options =>
	{
	options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;
	});