Nedo.AspNet.Exception 1.0.0

.NET 9.0 This package targets .NET 9.0. The package is compatible with this framework or higher. 
dotnet add package Nedo.AspNet.Exception --version 1.0.0
                    


                    

                
NuGet\Install-Package Nedo.AspNet.Exception -Version 1.0.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Nedo.AspNet.Exception" Version="1.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Nedo.AspNet.Exception" Version="1.0.0" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Nedo.AspNet.Exception" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add Nedo.AspNet.Exception --version 1.0.0
                    


                    

                
#r "nuget: Nedo.AspNet.Exception, 1.0.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package Nedo.AspNet.Exception@1.0.0
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=Nedo.AspNet.Exception&version=1.0.0
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Nedo.AspNet.Exception&version=1.0.0
                    


                            Install as a Cake Tool

Nedo.AspNet.Exception

The runtime core: NedoException base + HTTP-aligned exception types (BadRequestException, UnauthorizedException, ForbiddenException, NotFoundException, MethodNotAllowedException, ConflictException, TooManyRequestsException, InternalServerErrorException).

dotnet add package Nedo.AspNet.Exception

Throwing

throw new NotFoundException("User 42 not found");

throw new BadRequestException("ERR-INP-VAL", "id must be positive")
{
    Metadata = new Dictionary<string, object?> { ["field"] = "id", ["value"] = -1 }
};

Properties

Property Description
StatusCode HTTP status
Code Stable machine-readable error code (ERR-XXX-NNN)
Description Default human-readable description
Message Per-throw context (inherited from Exception)
Metadata Read-only dictionary for structured context
OccurredAt UTC timestamp of construction
TraceId Optional trace correlation id (set by AspNetCore pkg)

All state is immutable post-throw.

Pair with

  • Nedo.AspNet.Exception.AspNetCore — translate to ProblemDetails.
  • Nedo.AspNet.Exception.Catalog — load error definitions from JSON.
  • Nedo.AspNet.Exception.Diagnostics — log + emit OTel tags.
Product Compatible and additional computed target framework versions.
.NET net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (6)

Showing the top 5 NuGet packages that depend on Nedo.AspNet.Exception:

Package Downloads
Nedo.AspNet.Exception.AspNetCore

ASP.NET Core integration for Nedo.AspNet.Exception: IExceptionHandler emitting Nedo.AspNet.ApiContracts BaseResponse<T> envelopes (RFC 9457), DI extensions, optional middleware.
Nedo.AspNet.Exception.Catalog

Error catalog implementations for Nedo.AspNet.Exception: in-memory builder, JSON-file loader, ApplicationLevelException backed by IErrorCatalog (DI-injected, no static state).
Nedo.AspNet.Exception.Localization

IStringLocalizer-backed error descriptions and culture-aware ProblemDetails titles for Nedo.AspNet.Exception.
Nedo.AspNet.Exception.SqlServer

Translates Microsoft.Data.SqlClient.SqlException into typed Nedo exceptions using an error-number → ErrorDefinition catalog.
Nedo.AspNet.Exception.Postgres

Translates Npgsql PostgresException into typed Nedo exceptions using a SQLSTATE → ErrorDefinition catalog.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
1.0.0 183 5/2/2026