Check if Hashtable contains a specific key in CSharp

Description

The following code shows how to check if Hashtable contains a specific key.

Example


using System;/*from  w ww  .j  a  v  a 2  s. c  o m*/
using System.Collections;
public class SamplesHashtable  {

   public static void Main()  {
      Hashtable myHT = new Hashtable();
      myHT.Add( 0, "zero" );
      myHT.Add( 1, "one" );
      myHT.Add( 2, "two" );
      myHT.Add( 3, "three" );
      myHT.Add( 4, "four" );

      Console.WriteLine(myHT.Contains( 2 ));
   }
}

The code above generates the following result.





















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