Nhập vào bán kính tính chu vi và diện tích hình tròn | C# Online Compiler

Nhập vào bán kính tính chu vi và diện tích hình tròn by khuongmingo@gmail.com

using System;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine("Hello World");
		double R, C, S;
		Console.Write("Nhap vao ban kinh hinh tron :");
		R = double.Parse(Console.ReadLine());
		C = 2 * R * Math.PI;
		S = R * R * Math.PI;
		Console.WriteLine("Chu vi hinh tron: 2 * {0} * Math.PI = {1}",R,C.ToString("0.00"));
		Console.WriteLine("Dien tich hinh tron: {0} * {1} * Math.PI = {2}",R, R,S.ToString("0.00"));
	}
}

 
using System;
                    
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Hello World");
        double R, C, S;
        Console.Write("Nhap vao ban kinh hinh tron :");
        R = double.Parse(Console.ReadLine());
        C = 2 * R * Math.PI;
        S = R * R * Math.PI;
        Console.WriteLine("Chu vi hinh tron: 2 * {0} * Math.PI = {1}",R,C.ToString("0.00"));
        Console.WriteLine("Dien tich hinh tron: {0} * {1} * Math.PI = {2}",R, R,S.ToString("0.00"));
    }
}

1
Unhandled exception. System.Exception: Expected exception
   at Program.GetData(Char data)+MoveNext()
   at Program.GetData(Char data)+System.Threading.Tasks.Sources.IValueTaskSource<System.Boolean>.GetResult()
   at lambda_method2(Closure, AsyncStateMachine`1&)
   at DotNext.Runtime.CompilerServices.AsyncStateMachine`1.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext() in /_/src/DotNext.Metaprogramming/Runtime/CompilerServices/AsyncStateMachine.cs:line 124
--- End of stack trace from previous location ---
   at lambda_method2(Closure, AsyncStateMachine`1&)
   at DotNext.Runtime.CompilerServices.AsyncStateMachine`1.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext() in /_/src/DotNext.Metaprogramming/Runtime/CompilerServices/AsyncStateMachine.cs:line 124
--- End of stack trace from previous location ---
   at Program.Main()
   at Program.<Main>()
Command terminated by signal 6

Last Run:	4:10:36 pm
Compile:	0.501s
Execute:	0.25s
Memory:	15.47Mb
CPU:	0.751s

View IL Code