Question

c#Hashtable 中怎样 取key 值

我在Hashtable 中存储的key 值是主键，想把他取出来

Answer 1

取个例子给你解答

Hashtable hb =new Hashtable();
for (int i = 1; i < 100; i++)
{

hb.Add(i, i);
}

foreach (DictionaryEntry deHB in hb)
{
Console.WriteLine(deHB.Key.ToString());
Console.WriteLine(deHB.Key.ToString());
}