ParametricController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace SampleMvcIntroduction.Controllers
{
    public class ParametricController : Controller
    {
        //
        // GET: /Parametric/

        public string Index()
        {
            return "Parametrik";
        }

        public string Add() {
            int left = Convert.ToInt32(Request["left"]);
            int right = Convert.ToInt32(Request["right"]);
            int sum = left + right;
            return Convert.ToString(sum);
        }
        public string Square(int value)
        {
            int result = value * value;
            return Convert.ToString(result);
        }
        public string Cube(int id)
        {
            int result = id * id * id;
            return Convert.ToString(result);
        }
    }
}