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Tag: csharp

280 posts · Page 25 of 28

2023-10-20 csharp

C# – What is a NullReferenceException, and how to fix it?

Learn what causes a NullReferenceException in C#, how to debug it, and how to prevent it using null checks, the null-conditional operator, and nullable reference types.

2023-10-19 csharp dotnet dotnet-8

Add/Remove TypeInfoResolver to existing JsonSerializerOptions

Learn how to add or remove TypeInfoResolver instances on existing JsonSerializerOptions using the new TypeInfoResolverChain property in .NET 8.

2023-10-12 csharp dotnet

C# 12 – Interceptors

Learn about C# 12 interceptors, an experimental .NET 8 compiler feature that lets you replace method calls at compile time using the InterceptsLocation attribute.

2023-09-28 csharp dotnet

Implementation type Data.AppDbContext can’t be converted to service type Microsoft.AspNetCore.Identity.IUserStore

Fix the ASP.NET Core Identity error where AppDbContext can't be converted to IUserStore by adding AddEntityFrameworkStores to your identity configuration.

2023-09-25 csharp dotnet dotnet-8

.NET 8 – Serializing properties from interface hierarchies

.NET 8 adds support for serializing properties from interface hierarchies, including all properties from all interfaces depending on the declared variable type.

2023-09-21 csharp dotnet dotnet-8

.NET 8 – Deserialize into non-public properties

Learn how to deserialize JSON into non-public properties in .NET 8 using the JsonInclude attribute and parameterized constructors.

2023-09-17 csharp dotnet dotnet-8

.NET 8 – How to use JsonStringEnumConverter with native AOT

Learn how to use the new JsonStringEnumConverter<TEnum> in .NET 8 for native AOT-compatible enum serialization with System.Text.Json.

2023-09-14 csharp dotnet dotnet-8

The type or namespace name InterceptsLocationAttribute could not be found

How to fix error CS0246 for InterceptsLocationAttribute in C# interceptors by defining the attribute yourself.

2023-09-11 csharp dotnet dotnet-8

.NET 8 – Mark JsonSerializerOptions as readonly

Learn how to mark JsonSerializerOptions instances as read-only in .NET 8 using MakeReadOnly, and how to check the IsReadOnly property.

2023-09-07 csharp dotnet dotnet-8

.NET 8 – Serialization of Half, Int128, and UInt128

System.Text.Json in .NET 8 adds built-in serialization support for the Half, Int128, and UInt128 numeric types.