static void AddTestData()
{
using (ModelFirstModelContainer db = new ModelFirstModelContainer())
{
try
{
Customer _Customer = new Customer {
Id = Guid.NewGuid(), Name = "muyi", Age = 27, ComepanyName = "quandier", Telphone = "18730912482", Sex = "m"
};
Order _Order1 = new Order {
OrderNo = "201707280001", Amount = 15, CreateTime = DateTime.Now, CustomerId = _Customer.Id
};
Order _Order2 = new Order {
OrderNo = "201707280002", Amount = 15, CreateTime = DateTime.Now, Customer = _Customer
};
Product _Product = new Product {
Name = "华为荣耀8", Price = 2599, Weight = 1, Customer = new List <Customer>()
{
_Customer
}
};
#region 方法一
db.Customer.Add(_Customer);
db.Product.Add(_Product);
db.Order.Add(_Order1);
db.Order.Add(_Order2);
#endregion
#region 方法二
//db.Customer.Attach(_Customer);
//db.Entry(_Customer).State = EntityState.Added;
//db.Order.Attach(_Order1);
//db.Entry(_Order1).State = EntityState.Added;
//db.Order.Attach(_Order2);
//db.Entry(_Order2).State = EntityState.Added;
//db.Product.Attach(_Product);
//db.Entry(_Product).State = EntityState.Added;
#endregion
if (db.SaveChanges() > 0)
{
Console.WriteLine("add records success !");
}
else
{
Console.WriteLine("add records failed !");
}
}
catch (DbEntityValidationException e)
{
throw;
}
}
}
