Question

Dictionary<string，string>怎样通过值找到键

Answer 1

Dictionary<string, string> test = new Dictionary<string, string>();
test.Add("userName", "jiou");
test.Add("u2", "xx");

foreach (var dic in test)
{
Console.Write("key: {0}\nvalue: {1}\n", dic.Key, dic.Value);
}

Console.ReadKey();