pls can u provide information regarding how to update table

If you're asking how to update a Hashtable, then this example should help:

using System;

using System.Collections;

class Program

{

static void Main()

{

Hashtable ht = new Hashtable();

ht.Add(1, "Praveen");

Console.WriteLine(ht[1]);

// use same key but different value

ht[1] = "Vulpes";

Console.WriteLine(ht[1]);

// use different key and different value

ht.Remove(1); // get rid of existing element

ht.Add(2, "Mahesh");

Console.WriteLine(ht[2]);

Console.ReadKey();

}

}

The output is:

Praveen

Vulpes

Mahesh