// @nuget: Z.EntityFramework.Classic

​

using System;

using System.Linq;

using System.Data.Entity;

​

public class Program

{

    public static void Main()

    {

        using (var context = new EntityContext())

        {

            var list = context.Customers.Where(x => x.CustomerID == 1).ToList();

            FiddleHelper.WriteTable("Customers", list);

            context.Customers.Where(x => x.CustomerID == 1).UpdateFromQuery(x => new Customer {City = "Montreal"});

        }

        using (var context = new EntityContext())

        {

            var list = context.Customers.Where(x => x.City == "Montreal").ToList();

            FiddleHelper.WriteTable("Customers", list);

        }

    }

​

    public class EntityContext : DbContext

    {

        public EntityContext() : base(FiddleHelper.GetConnectionStringSqlServerW3Schools())

        {

​

        }

        public DbSet<Customer> Customers { get; set; }

    }

    public class Customer

    {

        public int CustomerID { get; set; }

        public string CustomerName { get; set; }

        public string City{ get; set; }

    }

}