C#索引器2 字符串作为索引号

6.索引器   字符串作为索引号

public class Demo

{

private Hashtable name = new Hashtable();

public string this[string index]

{

set

{

name.Add(index, value);

}

get

{

return name[index].ToString();

}

}

}

public class Test

{

public static void Main(string[] args)

{

Demo dd = new Demo();

dd["A"] = "SB";

dd["B"] = "EB";

Console.WriteLine(dd["A"]);

Console.WriteLine(dd["B"]);

//Console.WriteLine(dd["C"]);

Console.ReadKey();

}

}