Use foreach statement to loop through all keys in a hashtable : Hashtable : Data Structure C# Examples

Use foreach statement to loop through all keys in a hashtable

    
using  System;
using  System.Collections;

class  MainClass
{
        public  static  void  Main()
        {
                Hashtable        hash  =  new  Hashtable();
                hash.Add("A",  "1");
                hash.Add("B",  "2");
                hash.Add("C",  "3");
                hash.Add("D",  "4");
                hash.Add("E",  "5");
                
                foreach  (string  firstName  in  hash.Keys)
                {
                        Console.WriteLine("{0}  {1}",  firstName,  hash[firstName]);
                }
        }
}
    
   
  
   

A 1
B 2
C 3
D 4
E 5

Related in same category :
• Add elements to the table and Use the keys to obtain the values
• Add key-value pair to Hashtable by using the indexer
• Clear all key/value pairs in a Hashtable
• Mark a Hashtable to be Synchronized
• Remove key/value pairs from Hashtable
• Use the ContainsKey() method to check if Hashtable contains a key
• Use the ContainsValue() method to check if Hashtable contains a value
• Use the Remove() method to remove FL from Hashtable
• Copy the keys from Hashtable into an array using the CopyTo() method and then display the array contents
• Copy the values from Hashtable into an array using the CopyTo() method and then display the array contents