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我的代碼是。爲什麼在實體框架5中成功修改了分離的實體?
class Program
{
static NorthwindEntities context = new NorthwindEntities();
static void Main(string[] args)
{
Order updateorder = new Order() { OrderID = 10256, ShipCountry = "444", ShipCity = "tehran" };
update(updateorder);
}
static public void update(Order updateorder)
{
context.Entry<Order>(updateorder).State = EntityState.Modified;
context.SaveChanges();
}
}
請幫幫我,我感到困惑,爲什麼脫離實體在數據庫