C# Hashtable Keys

Description

Hashtable Keys gets an ICollection containing the keys in the Hashtable.

Syntax

Hashtable.Keys has the following syntax.


public virtual ICollection Keys { get; }

Example


using System;// www . j a v a  2 s.  c  o m
using System.Collections;

class MainClass
{
    public static void Main()
    {
        Hashtable    hash = new Hashtable();
        hash["A"] = "1";
        
        foreach (string firstName in hash.Keys)
        {
            Console.WriteLine("{0} {1}", firstName, hash[firstName]);
        }
    }
}

The code above generates the following result.





















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