Dictionary Key排序

Dictionary<string, string> dct= new Dictionary<string, string>();

Dictionary<string, string> dctNew = dct.OrderBy(x => x.Key).ToDictionary(x => x.Key, x => x.Value);

 

list Key排序

Public class student{    public int grade    {        set;        get;    }    public int age    {        set;        get;    }    public string name    {        set;        get;    }}  List
     
       students = new List
      
       ();students.OrderBy(x=>x.grade).ThenBy(x=>x.age);