list使用linq排序

         private static void SortByLinq()
        ...{
            List<Article> list = GetArticleList();
            var sortedList =
               (from a in list
                orderby a.SortIndex, a.Comments
                select a).ToList();
        }

		

         private static void SortByExtensionMethod()
        ...{
            List<Article> list = GetArticleList();
            var sortedList = list.OrderBy(a => a.SortIndex).ThenBy(a => a.Comments);
            sortedList.ToList(); //这个时候会排序
         }
		

static void Main(string[] args) 
...{ 
  List listCustomer = new List(); 
  listCustomer.Add(new Customer ...{ name = "客户1", id = 0 }); 
  listCustomer.Add(new Customer ...{ name = "客户2", id = 1 }); 
  listCustomer.Add(new Customer ...{ name = "客户3", id = 5 }); 
  listCustomer.Add(new Customer ...{ name = "客户4", id = 3 }); 
  listCustomer.Add(new Customer ...{ name = "客户5", id = 4 }); 
  listCustomer.Add(new Customer ...{ name = "客户6", id = 5 });
 
  /**////升序 
  List listCustomer1 = listCustomer.OrderBy(s => s.id).ToList(); 

  //降序 
  List listCustomer2 = listCustomer.OrderByDescending(s => s.id).ToList(); 

  //Linq排序方式 
  List listCustomer3 = (from c in listCustomer 
orderby c.id descending //ascending 
select c).ToList(); 
} 

class Customer 
...{ 
  public int id ...{ get; set; } 
  public string name ...{ get; set; } 
} 

		

static void Main()
...{
    OrdinalComparer comp = new OrdinalComparer();

    List<string> strs = new List<string>()...{"11", "12", "1:"};
    foreach(string str in strs.OrderBy(n => n, comp))
        Console.writeLine(str);
}

public class OrdinalComparer: System.Collections.Generic.IComparer<String>
...{
    public int Compare(String x, String y)
    ...{
        return string.CompareOrdinal(x, y);
    }  
}