Introduction to the basic usage examples of ASP.net Dictionary

Asp. NET in the dictionary presumably use. NET friend is not unfamiliar with it, the following example of the way for you to introduce their basic usage, interested friends can refer to the following

The code is as follows: dictionary<string, string> o_dic = new dictionary<string, string> ();  add Element O_dic.add ("a", "AAA");  O_dic.add ("", "BBB");  Determine if a key exists if (!o_dic.containskey ("")) {O_dic.add ("", "CCC");  //Remove a o_dic.remove ("03");  Fetch a value of string a = o_dic["02"]; All over the foreach (keyvaluepair<string, string> kvp in O_dic) {Response.Write (KVP). Key + "," + kvp.  Value); }//Times key foreach (string s in O_dic.keys) {}//Times value foreach (string s in O_dic.values) {}