using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
namespace EF_Exercise
{
class Program
{
static void Main(string[] args)
{
Heima3DbShitEntities db = new Heima3DbShitEntities();
Customer custom =new Customer();
//添加实体
db.Customer.AddObject(custom);
//删除和修改 Id现行
custom.ID = 22;
db.ObjectStateManager.ChangeObjectState(custom, EntityState.Modified);
db.ObjectStateManager.ChangeObjectState(custom, EntityState.Deleted);
//Lambda查询
var data = db.Customer.Where(t => t.ID > 10);
//Linq查询
var data1 = from c in db.Customer
where c.ID > 10
select c;
}
}
}