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foreach (System.Collections.DictionaryEntry objDE in objHasTab)
{
    Console.WriteLine(objDE.Key.ToString());
    Console.WriteLine(objDE.Value.ToString());
}
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System.Collections.IDictionaryEnumerator enumerator = objHashTablet.GetEnumerator();
while (enumerator.MoveNext())
{
    Console.WriteLine(enumerator.Key);         // Hashtable¹Ø½¡×Ö
    Console.WriteLine(enumerator.Value);      // HashtableÖµ
}
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ÔÚ¹þÏ£±íÖÐÌí¼ÓÒ»¸ökeyvalue¼üÖµ¶Ô£ºHashtableObject.Add(key,value);
ÔÚ¹þÏ£±íÖÐÈ¥³ýij¸ökeyvalue¼üÖµ¶Ô£ºHashtableObject.Remove(key);
´Ó¹þÏ£±íÖÐÒƳýËùÓÐÔªËØ£º           HashtableObject.Clear(); 
ÅжϹþÏ£±íÊÇ·ñ°üº¬Ìض¨¼ükey£º      HashtableObject.Contains(key);
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using System;
using System.Collections; fileʹÓÃHashtableʱ£¬±ØÐëÒýÈëÕâ¸öÃüÃû¿Õ¼ä
class hashtable
{
  public static void Main()
  {
  Hashtable ht=new Hashtable(); file´´½¨Ò»¸öHashtableʵÀý
  ht.Add(E,e);Ìí¼Ókeyvalue¼üÖµ¶Ô
  ht.Add(A,a);
  ht.Add(C,c);
  ht.Add(B,b);
  string s=(string)ht[A];
  if(ht.Contains(E)) fileÅжϹþÏ£±íÊÇ·ñ°üº¬Ìض¨¼ü,Æä·µ»ØֵΪtrue»òfalse
    Console.WriteLine(the E keyexist);
  ht.Remove(C);ÒƳýÒ»¸ökeyvalue¼üÖµ¶Ô
  Console.WriteLine(ht[A]);´Ë´¦Êä³öa
  ht.Clear();ÒƳýËùÓÐÔªËØ
  Console.WriteLine(ht[A]); file´Ë´¦½«²»»áÓÐÈκÎÊä³ö
  }
}


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