//添加捐赠者
public static void AddDonator()
{
using (var context = new DonatorsContext())
{
var donator = new Donator
{
Name = "小黄",
Amount = 12m,
DonateDate = DateTime.MaxValue,
Province = new Province
{
ProvinceName = "新疆"
}
};
context.Donators.Add(donator);
context.SaveChanges();
}
}
public static void Web应用另一种更新操作()
{
var donator = new Donator
{
Id = 5,
Name = "雪茄",
Amount = 12m,
DonateDate = DateTime.Parse("2016-7-13")
};
using (var db = new DonatorsContext())
{
db.Donators.Attach(donator);
//db.Entry(donator).State=EntityState.Modified;//这句可以作为第二种方法替换上面一句代码
donator.Name = "秦皇岛-雪茄";
db.SaveChanges();
}
Console.WriteLine("Web应用另一种更新操作完成！");
}
