Not sure this help but I think they made some change in .net core 3.0 Newtonsoft.JSON package so you can try this Install Microsoft.AspNetCore.Mvc.NewtonsoftJson package. In your startup.cs add services.AddControllers().AddNewtonsoftJson();
The Identity UI is implemented using Razor Pages. For endpoint-routing to map these, add a call to MapRazorPages in your UseEndpoints callback: app.UseEndpoints(endpoints => { // … endpoints.MapRazorPages(); });
AddMvc returns an IMvcBuilder implementation, which has a corresponding AddJsonOptions extension method. The new-style methods AddControllers, AddControllersWithViews, and AddRazorPages also return an IMvcBuilder implementation. Chain with these in the same way you would chain with AddMvc: services.AddControllers() .AddJsonOptions(options => { // … }); Note that options here is no longer for Json.NET, but for the … Read more
So assuming that Core 3 doesn’t support this out of the box, let’s try to work around this thing. So, what’s our problem? We want a method that overwrites some properties of an existing object with the ones from a json string. So our method will have a signature of: void PopulateObject<T>(T target, string jsonSource) … Read more
Your problem is that you would like to retrieve, filter, and pass along some JSON without needing to define a complete data model for that JSON. With Json.NET, you could use LINQ to JSON for this purpose. Your question is, can this currently be solved as easily with System.Text.Json? As of .NET 6, this cannot … Read more
For ASP.NET Core 3 release version: services.AddControllersWithViews().AddRazorRuntimeCompilation(); https://docs.microsoft.com/en-us/aspnet/core/mvc/views/view-compilation?view=aspnetcore-3.0 It can also be enabled conditionally only for local development, quoted from the link: Runtime compilation can be enabled such that it’s only available for local development. Conditionally enabling in this manner ensures that the published output: Uses compiled views. Is smaller in size. Doesn’t enable file … Read more
As part of ASP.NET Core 3.0, the team moved away from including Json.NET by default. You can read more about that in general in the announcement on breaking changes to Microsoft.AspNetCore.App. Instead of Json.NET, ASP.NET Core 3.0 and .NET Core 3.0 include a different JSON API that focuses a bit more on performance. You can … Read more