我正在原型一些C#3集合過濾器並遇到了這個. 我有一組產品:
public class MyProduct
{
public string Name { get; set; }
public Double Price { get; set; }
public string Description { get; set; }
}
var MyProducts = new List<MyProduct>
{
new MyProduct
{
Name = "Surfboard",
Price = 144.99,
Description = "Most important thing you will ever own."
},
new MyProduct
{
Name = "Leash",
Price = 29.28,
Description = "Keep important things close to you."
}
,
new MyProduct
{
Name = "Sun Screen",
Price = 15.88,
Description = "1000 SPF! Who Could ask for more?"
}
};
現在如果我使用LINQ過濾它按預期工作:
var d = (from mp in MyProducts
where mp.Price < 50d
select mp);
如果我使用Where擴充套件方法與Lambda結合,過濾器也可以工作:
var f = MyProducts.Where(mp => mp.Price < 50d).ToList();
問題:有什麼區別,為什麼使用一個而不是另一個?