public static int add(products p)
{
Shopping_mallEntities s = new Shopping_mallEntities();
s.products.Add(p);
return(s.SaveChanges());
}
public static int del(int id)
{
Shopping_mallEntities s = new Shopping_mallEntities();
var obj = s.products.Where(p => p.productid == id).Select(p => p);
s.products.Remove(obj.First());
return(s.SaveChanges());
}
public static List <products> query()
{
//实例化EF对象
Shopping_mallEntities s = new Shopping_mallEntities();
//var obj = s.products.Select(p=>p);
//return obj.ToList();
return(s.products.ToList());
}
