Entity Framework Core - Knowledge Base (KB)

Decimal troubles in aspnet core / ef core entity

My website has a form with a number input that takes decimal numbers. This is sent back to the controller in a viewmodel. When validation passes, the viewmodel is converted to an entity like this:...quotation.WidthMeters = model.WidthMeters. ...So here is...

ASP.NET Core 2 migration error. No executable found matching command "dotnet-ef"

When I want to add a migration to my project I got the following error:...dotnet : No executable found matching command "dotnet-ef"...For resolving this I add the following package but I still get the same error....Microsoft.EntityFrameworkCore.Design(2.0...

How do I write EF.Functions extension method?

I see that EF Core 2 has EF.Functions property ...EF Core 2.0 Announcement...which can be used by EF Core or providers to define methods that map to database functions or operators so that those can be invoked in LINQ queries.... It included LIKE method t...

MVC Routing template to represent infinite self-referential hierarchical category structure

I have a product category table to represent a hierarchical category structure, a typical ...Parent-Child... relationship table in the database....Fill it with Guitar Center's data as an example:...If you render them to a page with ...<ul>... and ...<li>....

Unit Testing when using EF Core 2.0

For the project I am doing in my internship we have to use a repository pattern. Since the project was already using EF Core and I read that there was already repository and unit of work in the underlying implementation. I figured I would just use the EF ...

Entity Framework not saving update for just one property on just one Entity Type

I am using ASP.Net Core MVC and Entity Framework Core in Visual Studio 2017....We are using a pretty straight forward Repository Pattern....I'm eight months into this project and this is the first time I am having this strange problem on this one property...

Write Text file with tab-delimited in Asp.Net Core 2.2

Hi do you have any guides, work aid or step by step how to export to text with tab delimited. Im using Asp.Net Core 2.2 MVC EF. I want to export a list from my table.. I want to have a button where the user click in this DownloadFile Action will trigger..