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Tag: migration

65 posts · Page 6 of 7

2026-06-06 migration aspnetcore-11 dotnet-11

Migrate from IWebHostBuilder to WebApplication.CreateBuilder in .NET 11

A step-by-step migration from the old Startup.cs plus WebHostBuilder hosting model to the minimal hosting model with WebApplication.CreateBuilder, including the ASPDEPR008 deprecation, middleware ordering, IStartupFilter, and how to keep your tests working.

2026-06-06 migration aspnetcore-11 dotnet-11

Migrate from System.Web.HttpContext to Microsoft.AspNetCore.Http.HttpContext

A practical migration from the ASP.NET Framework System.Web.HttpContext to the ASP.NET Core 11 HttpContext: HttpContext.Current, the property map, Server.MapPath, Session, and the System.Web adapters shim for incremental migrations.

2026-06-06 migration csharp dotnet

Migrate from ValueTask<T> back to Task<T>: when and why (.NET 11, C# 14)

A practical checklist for reverting ValueTask and ValueTask<T> return types to Task and Task<T>, what breaks at the call sites, how to verify each change, and how to know whether the swap was ever worth it.

2026-06-05 migration blazor dotnet

Migrate a Blazor Server app to Blazor United (Blazor Web App) in .NET 11

A step-by-step checklist to move a standalone Blazor Server app to the unified Blazor Web App template on .NET 11, keeping every page on InteractiveServer with zero behaviour change.

2026-06-05 migration azure-functions dotnet

Migrate from in-process Azure Functions to the isolated worker model (.NET 8 / .NET 11)

A step-by-step checklist to move a .NET in-process Azure Functions app to the isolated worker model before the November 10, 2026 retirement, with csproj diffs, signature rewrites, and a slot-swap rollout.

2026-06-05 migration serilog opentelemetry

Migrate from Serilog to OpenTelemetry logging in .NET 11

A step-by-step guide to moving a .NET 11 app off Serilog and onto OpenTelemetry logging: the low-risk Serilog.Sinks.OpenTelemetry bridge, the full Microsoft.Extensions.Logging cut-over, what breaks, how to verify, and how to roll back.

2026-06-04 migration ef-core ef-core-6

Migrate EF Core 6 to EF Core 11: breaking changes that actually bite

A version-pinned migration guide from EF Core 6.0 to EF Core 11.0, walking the breaking changes across EF7, 8, 9, 10, and 11 that break real apps: Encrypt=True, OPENJSON Contains, PendingModelChangesWarning, the native json column, and the SqlClient 7.0 split.

2026-05-30 migration automapper mapperly

Migrate from AutoMapper to source-generated mapping with Mapperly

A step-by-step checklist to replace AutoMapper 15 Profiles, IMapper, ForMember, and ProjectTo with Riok.Mapperly 4.3 source-generated mappers in .NET 11.

2026-05-30 migration mediatr dependency-injection

Migrate from MediatR to plain dependency injection in .NET 11

A step-by-step checklist to remove MediatR 12-14 and replace IRequest handlers, ISender, pipeline behaviors, and INotification with plain service classes and constructor injection.

2026-05-30 migration newtonsoft-json system-text-json

Migrate from Newtonsoft.Json 13 to System.Text.Json in a large .NET 11 codebase

A version-pinned playbook for swapping Newtonsoft.Json 13.0.4 for the in-box System.Text.Json on .NET 11: the attribute and settings mappings, the defaults that silently change your wire format, a staged rollout strategy, verification, and the gotchas that bite large codebases.