Use IDictionaryEnumerator to loop through a Hashtable in CSharp

  /* ww  w.j a  v  a  2  s. com*/
 
using System; 
using System.Collections; 
 
public class IDicEnumDemo { 
  public static void Main() { 
    Hashtable ht = new Hashtable(); 
     
    ht.Add("A", "555-3456"); 
    ht.Add("B", "555-9876"); 
    ht.Add("C", "555-3452"); 
    ht.Add("D", "555-7756"); 
 
    
    IDictionaryEnumerator etr = ht.GetEnumerator(); 
    while(etr.MoveNext())  
     Console.WriteLine(etr.Entry.Key + ": " +  etr.Entry.Value); 
 
    etr.Reset(); 
    while(etr.MoveNext())  
     Console.WriteLine(etr.Key + ": " + etr.Value); 
  } 
}