C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Main
{
    class Program
    {
        static void Main(string[] args)
        {
            double b,h;
        Console.WriteLine("Ingresa base");
        b = Convert.ToDouble(Console.ReadLine());
        Console.WriteLine("Ingresa altura");
        h = Convert.ToDouble(Console.ReadLine());
        double area;
        area=b*h/2;
        Console.WriteLine(area);             
        Console.ReadLine();
        }
    }
}

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Main
{
    class Program
    {
        static void Main(string[] args)
        {
            double b,h;
        Console.WriteLine("Ingresa base");
        b = Convert.ToDouble(Console.ReadLine());
        Console.WriteLine("Ingresa altura");
        h = Convert.ToDouble(Console.ReadLine());
        double area;
        area=b*h/2;
        Console.WriteLine(area);             
        Console.ReadLine();
        }
    }
}
​

System.Web.HttpException (0x80004005): A public action method 'Index' was not found on controller 'HelloWorldMvcApp.HomeController'.
   at System.Web.Mvc.Controller.HandleUnknownAction(String actionName)
   at System.Web.Mvc.Controller.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult)
   at System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult)
   at System.Web.Mvc.MvcHandler.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult)
   at System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Last Run:	10:31:04 am
Compile:	0.283s
Execute:	0s
Memory:	312kb
CPU:	0s

View IL Code