The name ‘ParameterDirection’ does not exist in the current context using Oracle.ManagedDataAccess.Client;

I am testing to get the id of an inserted row with dotnet with the package on the title (Oracle.ManagedDataAccess.Client) but when I try to specify the Parameter Direction the class is not recognized and get the error The name ‘ParameterDirection’ does not exist in the current context. I am using .NET 3.1
I am trying to specify it like this:

Populating dropdown from SQL Server with ajax in C# and ASP.NET MVC

It seem that debugger doesnt enter at all at the success function. The dropdown im trying to populate is part of a modal in /Dokument/Dokument route when i press a button i get a modal with some fields. One of the fields is a dropdown which has to get values from Tipi table. In the dropdown I see nothing not even the message

IIS Not Receiving Updates to HTML?

I am working on a .NET Core 3.1 project in Visual Studio. Before I upgraded from 2.1 to 3.1 and VS2017 to VS2019 I was able to change html/css/js and refresh the browser to receive the updated files. Since the upgrade however, I have to stop IIS Express and relaunch it for every change I make. This slows down any front-end work considerably.