Entity Framework Core - Knowledge Base (KB)

Listbox for MVC 6 EF 7 Property not Populating

I've been trying for a while now to get a list box to populate and I can't seem to figure it out. I've studied entity framework 7 documentation pretty extensively but I'm still new to it. There aren't a lot of tutorials out there for MVC6/EF7 yet so its b...

Scaffolding in .Net Core with Multiple Projects in Solution

I have created an .Net Core MVC6 application targeting net461. I have used a project structure I am very familiar with in which I place the data, model, and service classes in separate class library projects and the Web project references these. ...When...

Entity Framework Core error on updating an existing record

In my ...ASP.NET-Core Code First project..., I'm getting the following error on ...SaveChangesAsync()... in the following ...Action Method...:...Error...DbUpdateConcurrencyException: Database operation expected to affect 1 row(s) but actually affected 0 r...

Controller scaffolding doesn't work in VS 2017 preview for ASP.NET Core 2 Preview

I'm trying to use scaffolding to generate MVC Controller with views, using Entity Framework:...I created ApplicationDBContext:...public class ApplicationDbContext : DbContext { public ApplicationDbContext(DbContextOptions<ApplicationD...

scaffolding when using DI for connection strings

I have ...an application written in Core 2.0, using EF Core.... I'm using a pattern where: ...I keep my database connection string in Azure Keyvault.......I use program.cs to read a (.gitignore'd) json file with my Keyvault appid/password, go to the Keyv...

Method 'Clone' in type 'Microsoft.EntityFrameworkCore.Infrastructure.Internal.SqliteOptionsExtension'

I am trying to create an asp.net core 2.1 app using SQLite database. This is my first time doing it with SQLite. I am getting an error in the trying to scaffold controller and view from Model....Finding the generator 'controller'... Running the generator ...

HiddenInput not working on ASP.NET Core 2.2 Scaffolding

When using scaffolding in asp.net core 2.2, is there a way to make properties scaffold as Hidden Inputs? ...Unfortunately ...[HiddenInput(DisplayValue=false)]... does not seem to work...