ASP.NET 泛型类型 Dictionary操作

protected void Page_Load(object sender, EventArgs e)

    {

        //泛型Dictionary  

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

        dit.Add("13", "张三");

        dit.Add("22", "李四");

        Response.Write("总数" + dit.Count + "<br/>");//字典数据总数  

        dit.Remove("13");//删除一个键  

        if (!dit.ContainsKey("13"))

        {

            dit.Add("13", "张三1");

        }//判读如果不包含指定的键则添加  

        foreach (KeyValuePair<string, string> kvp in dit)

        {

            Response.Write(kvp.Key);

            Response.Write("=====" + kvp.Value);

            Response.Write("<br/>");

        }//循环字典中数据  



        Dictionary<string, string>.KeyCollection ditkey = dit.Keys;

        foreach (string k in ditkey)

        {

            Response.Write(k + "<br/>");

        }//循环字典数据的键  



        Dictionary<string, string>.ValueCollection ditvalue = dit.Values;

        foreach (var v in ditvalue)

        {

            Response.Write(v + "<br/>");

        }//循环字典数据里的值  



        foreach (var ditk in dit.Keys)

        {

            Response.Write(ditk + "<br/>");

        }//另一种获取字典键的方法  



        string f = dit["13"];

        Response.Write(f);//根据键 获取值  



        string s = string.Empty;

        if (dit.TryGetValue("13", out s))

        {

            Response.Write("<br/>找到");

        }

        else

        {

            Response.Write("<br/>未找到");

        }//查找键是否存在  



        //泛型List 类型  

        List<string> a = new List<string>();

        a.Add("aa");

        a.Add("bb");

        foreach (string b in a)

        {

            Response.Write("<br/>" + b + "<br/>");

        }

        //泛型IList  

        IList<string> Il = new List<string>();

        Il.Add("11");

        Il.Add("22");

        foreach (var i in Il)

        {

            Response.Write(i + "<br/>");

        }

    }