Entity Framework Core: DbContextOptionsBuilder does not contain a definition for 'usesqlserver' and no extension method 'usesqlserver'

Question

I am new to EF core and I\'m trying to get it to work with my ASP.NET Core project.

I get the above error in my startup.cs when trying configure the

Answer 1

First we install the Microsoft.EntityFrameworkCore.SqlServer NuGet Package:

PM > Install-Package Microsoft.EntityFrameworkCore.SqlServer

Then, after importing the namespace with

using Microsoft.EntityFrameworkCore;

we add the database context:

services.AddDbContext(options =>
    options.UseSqlServer(config.GetConnectionString("optimumDB")));