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/>");}}
转载于:https://www.cnblogs.com/ytjjyy/archive/2012/04/17/2453362.html
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