public void TestMethod1() { NameValueCollection nvc = new NameValueCollection(); nvc["id"] = "23"; nvc["name"] = "jiegege"; nvc["age"] = "6"; Console.WriteLine(MVCHelper.UpdateQueryString(nvc, "name", "hedajie")); Console.WriteLine(MVCHelper.DeleteQueryString(nvc, "age")); Console.WriteLine(MVCHelper.UpdateQueryString(nvc, "money", "2000")); Console.WriteLine(MVCHelper.ToQueryString(nvc)); }