Entity Framework Core 3.1 学习笔记7 删除

using Demo.Data;
using Demo.Domain;
using Microsoft.EntityFrameworkCore;
using System;
using System.Linq;

namespace Demo.App
{
    class Program
    {
        static void Main(string[] args)
        {
            using var context = new DemoContext();


            //Delete
            //只能删除被追踪的数据
            var tiaojian = "AC Milan";
            var milan = context.Clubs.Single(x=>x.Name== tiaojian);

            context.Clubs.Remove(milan);
            context.Remove(milan);

            //context.Clubs.RemoveRange(milan,milan);
            //context.RemoveRange(milan,milan);
            var count = context.SaveChanges();

            Console.ReadKey();
        }
    }
}