A console program (guess number)

Using System;
using System.Collections.Generic;
using System.Text;

Namespace Guessnumber
{
    public class Guessthenumber
    {
         public string tryguess (int guess)
         {
            Random generator = new Random ();
            int randomnumber = generator. Next (1, 100);
            if (guess = randomnumber)
             {
                 return "You guessed it right";
           }
            Else {return "sorry. The correct number is "+ randomnumber.tostring" (); }

}
}

Class Program
{
static void Main (string[] args)
{
Console.WriteLine ("Let's play a game called guessing numbers");
Console.WriteLine ("Now please enter your guess number");
Try
{
int myguess = Int. Parse (Console.ReadLine ());
if ((myguess > 100) | | (Myguess < 1))
{
Console.WriteLine ("The number you enter must be between 1-100");
}
Else
{
Guessthenumber GTN = new Guessthenumber ();
Console.WriteLine (Gtn.tryguess (myguess));
}
}
Catch
{
Console.WriteLine ("Please enter the number you guessed.") ");
}

}
}
}