Reverse String in C#

public class clsTest
{

//Creating function to reverse the String
public string StrRev( string str )
{
char[] charArr = str.ToCharArray();
Array.Reverse( charArr );
return new string( charArr );
}

//Calling the Function

protected void Page_Load(object sender, EventArg e)
{
Response.Write(StrRev("This is a test"));
}

}


//Output
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