probleme mise a jour windows server 2019
bonjour, j'ai un probleme de mise a jour sous Windows Server 2019 mon serveur de domaine apres l'installation des mise a jour , j'ai recu deux messages d'erreurs j'ai besoin de votre aide svp 1- 2023-09 Mise à jour cumulative pour .NET Framework 3.5,…
EF Core doesn't recognize many-to-many relationship
I have a many-to-many relationship, altough EF Core seems not to recognize it. The relationship exists between JobOffer and JobOfferTag. JobOffer inherits from BaseJobOffer. BaseJobOffer.cs public class BaseJobOffer { [Required] …
framework realated question
what is frame in framework for .net applicatons like .net framework 3.5 and what it indicates for frames
SQLAzure is not available for your selection of subscription and location
Hi Folks, Trying to use Azure for the first time, I'm using a normal account (i.e not free tier or student) but it is just for a hobby project. I'm following the tutorial here in order to deploy my EFCore webapi…
EF is not creating a MigrationsHistory table
Hi all; I've been using Entity Frameworks for some time with my app. And I just noticed, there is no MigrationsHistory table. I looked at the files in core/Migrations and none of them create a MigrationsHistory table. Why is it missing and how do I get…
Is it correct to make connection string dynamic?
Hi, I'm currently working on a project which need data from other databases. The database where I'll get the datas are depends on users. Now I want to make my connectionString dynamic. Is it correct to make connection strnig dynamic. The user will enter…
Invalid Argument while scaffolding DB2 schema EF 3.1
Hello. I am trying to scaffold a DB2 schema using the IBM.EntityFrameworkCore provider (version 3.1.0.300) on an AspNet Core 3.1 web application using EntityFramework Core 3.1. The scaffolding command line is the following : Scaffold-DbContext…
Blazor Server: It is possible get Current Loged User In DbContext
Hello, I build blazor server multi tenant application and I wants to use HasQueryFilter in entity framework DbContext for predefined filter with TenantId. But I cannot get Current Loged User in DbContext. I inject to DB Context…
Issues with EF Update Command and Azure Credentials in ASP.NET Core Application
I am encountering errors while attempting to run an Entity Framework (EF) update command (dotnet ef database update) from my ASP.NET Core application. The application is connected to a database hosted on Azure. After executing the EF update command, I am…
saving the Identity token in the Aspnetusertokens table
Hi I created an Asp.net core 6 project and I added the Identity framework for authentication and authorization, I would like to add token management and while doing research I realized that Identity also manages the management of tokens because it…
Microsoft.EntityFrameworkCore.SQLServer 8.0.1 (latest version) has High vulnerabilities on its transitive dependencies. When will we have another patch released with no vulnerabilities on its transitive dependencies?
Microsoft.EntityFrameworkCore.SQLServer 8.0.1 (latest version) has High vulnerabilities due to transitive dependencies on Azure.Identity 1.7.0 and Microsoft.Data.SQLClient5.1.1. Both these dependent packages have a non vulnerable latest version. …
Error: 'Package restore failed rolling back package change for' while running Scaffold-Dbcontext in Entity Framework Core 7.0.14
Hello, I'm working on a project using .NET Core 7 and encountering an issue when running Scaffold-DbContext with Entity Framework 7.0.14. The error message I'm getting is "there was an error running the selected code generator package restore failed…
Maui .Net 8 XCode 15.1 and 15.2 NativeAOT Error in Testflight
Hello, I have an Maui app built with XCode 15.2 and .Net 8. I am using Microsoft.EntityFrameworkCore.Sql V8.0.4 When I install it on my iPad with test flight I get: Model binding is not supported when publishing with NativeAOT. Use a compiled model. I…
How to fix DbContextOptions resolving properly from services to apply EF migration to create database?
I'm trying to run a migration to create my initial database from code, but i'm having difficulties with proper registration of DbContextOptions. My program.cs contains the service registration: var builder = WebApplication.CreateBuilder(args); // Add…
How do I find the method calling Entity Framework that led to an exception
I believe this call is coming from the ASP.NET Identity Library. However, it may be coming from my Blazor code. The below is the entire exception written to the log. How do I find out what method (Identity library or my Blazor code) is calling this? …
Learning EF - Error running Scaffold-DbContext
I am learning how to user Entity Framework where the models are built from an existing SQL server. I ran this command in the package manager: Scaffold-DbContext “Server=xxx; database=Contoso; user id = cnnxxxxx; password = xxxx”…
How can we debug with InMemoryDatabase and how can we know exactly the key is duplicate?
How can we debug with InMemoryDatabase Unit test? Also I have question that when I get this error for example "An item with the same key has already been added. Key: 16c568e8-b00d-46b2-ab27-cdb7685839ae" why VS don't point exactly what entity…
An issue implementing migrations in the data layer
Hello I started developing a new c# WPF project. In a solution, I separated the layers as UI and Data. I placed database-related models and configurations in the data layer. Then, I gave the Data project as a reference to the ilse UI project. The problem…
Nuget and The package manager on VS 2022 Community edition cannot find the Microsoft.EntityFrameworkCore
Typing Microsoft.EntityFrameworkCore into the Nuget package manager returns nothing and instead displays the NO package found message. The PM console prints the following error text when NuGet\Install-Package Microsoft.EntityFrameworkCore -Version 8.0.3…
Single transaction, multiple service calls to Entity Framework updating database
Hi all; I have a case with a single database defined by a single Entity Framework DbContext. I have things set up where updating the database is via services. This separates things out nicely and makes it easy to mock the database for the bUnit (Blazor…