// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002078/string-escapexml

​

// @nuget: Z.ExtensionMethods

using System;

public class Program

{

    public static void Main()

    {

        var xml =

    @"

<testcase>

    <date>4/12/13</date>

    <name>Mrinal</name>

    <subject>xmlTest</subject>

</testcase>";

​

        //C# Extension Method: String - EscapeXml

        var escapeXml = xml.EscapeXml();

​

        Console.WriteLine(escapeXml);

    }

​

}