Category "entity-framework-core"

.NET6 calling oracle stored procedures with params and refcursor

First time I am using .net6 with entity framework trying to call stored procedure. CREATE OR REPLACE PROCEDURE get_registration ( IDIn IN Number DEFAULT nu

Audit.Net: Audit Record Not Rolling Back When saving master record throws DbUpdateException

I have been using Audit.EntityFramework.Core v14.6.3 in my .Net Core v2.2 Web API. When I update a table record, it threw dbUpdateException error due to a check

Register to be created from factory

I'm trying to use DryIOC to resolve a scoped entity framework context. While this registration works, it feels weird: container.Register<MyDbContext>( Reu

EF Core - ValueConverter or OwnedType for simple ValueObjects?

I use value objects to encapsulate validations like maxLength. This is an extract of a sample class without factory method and validation: public class CallingN

How to insert properly into a many-to-many relationship?

When inserting data into a many-to-many relationship, should you insert to the join-table or to both original tables? My table models: public DbSet<User>

How to connect to MySQL server using Entity Framework Core

I am using Visual Studio 2019 community edition. I want to connect to MySQL using Entity Framework core. I do not want to use Entity Framework 6. I am running i

Returning ID from not yet created linked table index

I'm currently working on the database integration of my internship project using EntityFrameworkCore.Jet version 3.11. I cant upgrade because I'm using an MS Ac

Is Using EF Core Value Converter Preventing the Contains() LINQ Method from being Translated to SQL?

I have a Movie class. It has a Genres property of type List<string>. I use this exact EF Core Value Conversion to store it in the database as a comma-sepa

GetColumnName() in EF Core 6 returns property name not mapped column name

I'm using EF Core 6 (6.0.2) with SQL Server 2019 with the following entity: public partial class MyEntity { [Column("External_ExternalId")] publ

EF Scaffold table name is null

I'm trying to reverse engineer a Firebird 3 database using dotnet-ef scaffold. I tried it using EF Core 5 and EF Core 6. Both do not work but for different reas

Using EF Core with WPF and I'd like to revert to initial state when a user press Cancel instead of OK on a dialog, is that possible and how?

I'm using EF Core with WPF and I'd like to revert any changes done on any objects to their initial state when a user press Cancel instead of OK on a dialog, is

Entity Framework Core child entities only show up when I debug through code

I'm having this really weird scenario where I have a component in MVC that will call a service to grab all the categories in the database and include its child

Entity Framework Core child entities only show up when I debug through code

I'm having this really weird scenario where I have a component in MVC that will call a service to grab all the categories in the database and include its child

i can not pass parameters to backend ( from Ajax to IActionResult or JsonResult) .net core 5

i have problem i can't pass params to backend use fech or ajax call , but from another PC i can pass params, here is a sample from code Backend : [HttpPost]

How can I convert an empty string value to a nullable date value?

When I use Postman to test my API with a PUT request, I get this error: "type": "https://tools.ietf.org/html/rfc7231#section-6.5.1", "title": "One or more valid

Entity Framework Core: one-to-one configuration

I updated the title to be more relevant. I have two objects and wish to use EF Core to map them to a database using code first. I have shortened them a bit for

Entity framework core multi tenant : auto increment column based in another column value

Using entity framework core 6 with sample class public class Sample { [Key] public long Id { get; set; } public long TenantId { get; set; } public long

EF Core/C#: Set many-to-many relationship with a variable field?

If you have an EF/asp.net Core app that has ads with services with a price. Where each ad can have many services (out of a predefined set of choices, like hairc

EF Core 5.0 Many-To-Many delete from nested collection

My models are like this (simplified): public class Request { public string Id { get; set; } public List<Tag> Tags { get; set; }

Could not load file or assembly 'Microsoft.Data.SqlClient' in .NET 6

I have developed a WPF app on .NET 5 (CRUD operations with Entity Framework Core). MSI packages are built with Wix toolset. Up to here everything works. I am cu

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