C# Hashtable Remove

Description

Hashtable Remove removes the element with the specified key from the Hashtable.

Syntax

Hashtable.Remove has the following syntax.

public virtual void Remove(
  Object key
)

Parameters

Hashtable.Remove has the following parameters.

• key - The key of the element to remove.

Returns

Hashtable.Remove method returns

Example

The following code uses Remove method to remove key/value pairs from Hashtable.

using System;//from  ww  w . j  a v  a 2s  .c om
using System.Collections;

class MainClass
{
  static void Main(string[] args)
  {
    Hashtable a = new Hashtable(10);
          
    a.Add(100, "A");
    a.Add(200, "C");
    

    a.Remove(100);
    a.Remove(200);

  }
}

The code above generates the following result.