Public Shared Function HtmlEncode ( _
    s As String _
) As String

Dim s As String
Dim returnValue As String

returnValue = HttpUtility.HtmlEncode(s)

public static string HtmlEncode (
    string s
)

public:
static String^ HtmlEncode (
    String^ s
)

public static String HtmlEncode (
    String s
)

public static function HtmlEncode (
    s : String
) : String

Imports System
Imports System.Web
Imports System.IO

Class MyNewClass
   Public Shared Sub Main()
      Dim myString As String
      Console.WriteLine("Enter a string having '&' or '""'  in it: ")
      myString = Console.ReadLine()
      Dim myEncodedString As String
      ' Encode the string.
      myEncodedString = HttpUtility.HtmlEncode(myString)
      Console.WriteLine("HTML Encoded string is " + myEncodedString)
      Dim myWriter As New StringWriter()
      ' Decode the encoded string.
      HttpUtility.HtmlDecode(myEncodedString, myWriter)
      Console.Write("Decoded string of the above encoded string is " + myWriter.ToString())
   End Sub 'Main
End Class 'MyNewClass

using System;
using System.Web;
using System.IO;

   class MyNewClass
   {
      public static void Main()
      {
         String myString;
         Console.WriteLine("Enter a string having '&' or '\"'  in it: ");
         myString=Console.ReadLine();
         String myEncodedString;
         // Encode the string.
         myEncodedString = HttpUtility.HtmlEncode(myString);
         Console.WriteLine("HTML Encoded string is "+myEncodedString);
         StringWriter myWriter = new StringWriter();
         // Decode the encoded string.
         HttpUtility.HtmlDecode(myEncodedString, myWriter);
         Console.Write("Decoded string of the above encoded string is "+
                        myWriter.ToString());
      }
   }

import System.*;
import System.Web.*;
import System.IO.*;

class MyNewClass
{
    public static void main(String[] args)
    {
        String myString;
        Console.WriteLine("Enter a string having '&' or '\"'  in it: ");
        myString = Console.ReadLine();
        String myEncodedString;
        // Encode the string.
        myEncodedString = HttpUtility.HtmlEncode(myString);
        Console.WriteLine("HTML Encoded string is " + myEncodedString);
        StringWriter myWriter =  new StringWriter();
        // Decode the encoded string.
        HttpUtility.HtmlDecode(myEncodedString, myWriter);
        Console.Write("Decoded string of the above encoded string is " 
            + myWriter.ToString());
    } //main
} //MyNewClass