asp.Netコレクションクラス

1.  IEnumerable  
protected void Page_Load(object sender, EventArgs e)
{
    IEnumerable ie = AllGet();
    Response.Write(new JavaScriptSerializer().Serialize(ie));
}
public IEnumerable AllGet()
{
    return new string[] { "Item1", "Item2" }.Select(s => new
        {
            Name = s,
            Code = s,
            Items = new ArrayList
        {
        new { Name = "Item1" },
        new { Name = "Item2" },
        new { Name = "Item3" },
        new { Name = "Item4" },
    }
        });
}
  ：
[{"Name":"Item1","Code":"Item1","Items":[{"Name":"Item1"},{"Name":"Item2"},{"Name":"Item3"},{"Name":"Item4"}]},
{"Name":"Item2","Code":"Item2","Items":[{"Name":"Item1"},{"Name":"Item2"},{"Name":"Item3"},{"Name":"Item4"}]}]


2.  List     
/// <summary>
/// ["1","a","0.5"]
/// </summary>
/// <returns>  List     </returns>
public List<string> TestAjaxMethod(int a, string b, double c)
{
    return new List<string> { a.ToString(), b, c.ToString() };
}

3.Dictionary  
private Dictionary<int, string> dic = new Dictionary<int, string>();

4.NameValueCollection  
  ：using System.Collections.Specialized; 
     ，    
NameValueCollection col = new NameValueCollection();   
col.Add("red", "rojo");//    red       rojo,rouge

//   ，   
PrintKeysAndValues(col);  

//         
col[1];//  1    
col["red"]);//  red    rojo

//  red        
col.Remove("red");   

for (int i = 0; i < col.Count; i++)  
//      
col.Clear();

//    ,  ,   
col.GetKey(i)
col.Get(i)

foreach (string key in col.Keys)   
col[key]

5.Hashtable  
Hashtable NameValueCollection  ;
HashTable  -   ,        .

Hashtable ht = new Hashtable();  
ht.Add("key","value");