I am trying to create a project. That’s why I downloaded a startup template from this link. Then I tried to configure with asp.net core. I set the connection string as "Default": "User ID=postgres;Password=**********;Host=localhost;Port=5432;Database=LibraryManagementDb;Pooling=true;". and then changed UseSqlServer to UseNpgsql in LibraryManagementDbContextConfigurer class.
I’m creating an online exam. I want to show the choices for each question in view.when I run the program it has an error “null reference”.
When I try to delete a user from the ASP.NETUsers table I get SqlException:
So I’m new to coding in general and starting to work with .net core 5.0. I’m trying to develop a simple API with Entity Framework Core and I’m having problems when I try to use the POST method. I have a class called Question and another one called Template, which goes as follows
Friends, I have 3 tables. Person, Student and Address. Person is a general table, has the fields of name, email, phone, etc. And I have an address table to save the student’s address. I’m having trouble bringing the information from the address fields dynamically and finalizing a new student registration.I appreciate if anyone can analyze.
In a current Project of mine I am using Entity Framework Core together with SQLite in an ASP.Net-Project.
I have a method where two SQL queries take place, for example:
I need to display data on table where createdBy and updatedBy properties display two different usernames taken from the Users table.
Entity Framework Core is sending this SQL query to the SQL Server:
I’m using EF Core In-memory database. I have a problem with the definition of the foreign key (navigation property). One user could have multiple tokens. So my user table is called Benutzer and my token table is called RefreshToken: