Is there a way to use FluentValidation with EntityFramework codefirst in asp.net core?

Separation of concerns and n-tiered architecture in ASP.NET 5/ASP.NET Core 1

If you ask 10 civil architects to build you a bridge, you’ll end up having 10 different architectures. Not one will be the same and not one will be better than the other. ...Regardless of how many best practices and design patterns they apply, each architect will justify their idea. Some will be overzealous while others will keep it simple and ge...

ASP.NET Core & EntityFramework Core: Left (Outer) Join in Linq

You not doing left join, the linq which you are using is basically creating a inner join. For left join in linq use into keyword...[HttpGet] public IActionResult Get() { var result = from person in _dbContext.Person join detail in _dbContext.PersonDetails on person.Id equals detail.PersonId into Details...

Include Entity of generic list property in ASP.NET EntityFramework Core

Seems like I misunderstand the usage of ...ThenInclude... since it refers to the sub-entity. Having a list its possible to define the entity to load also on lists like this: ...var parentWithChilds = db.Parents.Include(p => p.ParentChilds) .ThenInclude(p => p.Child) .FirstOrDefault(p => p.Id == 1); ...Visual Studio has issues showing those ...

NotImplemented Exceptions using MySQL Provider in ASP.NET Core With EF Core

Well, this was a frustrating process, but I finally got it all sorted out. Big thanks to @Tseng for the questions and comments, which helped nudge me in the right direction....First, I switched to using the Pomelo MySQL provider. The official MySQL provider is pre-release, but I thought it was far enough along to at least get started on this new pr...

EF Core migrations using asp.net core, SQL Server and Docker yields dotnet SDK error

microsoft/aspnetcore:1.1.0... your are using is based on ...microsoft/dotnet:1.1.0-runtime.... It contains only .NET Core runtime, not SDK. To execute commands like ...run..., ...ef... and other tools - you need ...one of ...sdk...-based images

ASP.NET Core and EF Core 1.1 - Diplay Data using Stored Procedure

From NuGet add System.Data.Common and System.Data.SqlClient. These allow ADO.NET commands to be run i.e. a stored procedure....https://forums.asp.net/post/6061777.aspx

Register EF Core using IDbContextFactory in ASP.NET Core Mvc

Instead of ....AddDbContext(typeof(...))... provide a factory method to create context:...services.AddTransient(provider => { //if needed: anything from DI var bar = provider.GetService<TBar>(); //if needed: external captured variable doSomething(service); //explicit context creation return new FooDbContext(...); });

How to install entity framework core to asp.net core 3 project using visual studio code

ASP.NET Core 3.0 removes some assemblies that were previously part of the ...Microsoft.AspNetCore.App... package reference....You should add the package references for removed assemblies....In XML project file:...<Project Sdk="Microsoft.NET.Sdk.Web"> <PropertyGroup> <TargetFramework>netcoreapp3.0</TargetFramework> <UserSecretsId>My-secre...

ASP.NET Core Web API & Entity Framework Core; why am I getting this error?

So that problem was that I was returning an EntityFramework core class from the controller. The reason this surprised me, is that the object being returned did not have any relationships, but just the mere fact that other objects that mContext interacted with did, caused the entire response to error.

Unable to send array data using ajax with ASP.NET Core and Entity Framework Core

You can pass the list of objects by :...$.ajax({ type: "POST", url: "Reception/PatientTests/SavePendingTest", data: { pendingTestResult: tests }, headers: { "RequestVerificationToken": $('input[name="__RequestVerificationToken"]').val() }, success: function (data) { alert(data); }, error: function (e) { ...