C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.ComponentModel.DataAnnotations;

namespace HelloWorldMvcApp
{
	public class Person
	{
		public Person() { this.Id = Guid.NewGuid(); }
		public Guid Id {get; set;}
		public string Name {get; set;}
	}
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
​
namespace HelloWorldMvcApp
{
    public class Person
    {
        public Person() { this.Id = Guid.NewGuid(); }
        public Guid Id {get; set;}
        public string Name {get; set;}
    }
}

@model HelloWorldMvcApp.Person 
@{
	Layout = null;
}

<!DOCTYPE html>

<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Bootstrap 101 Template</title>

		<!-- CSS Includes -->
		<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
		
		<style type="text/css">

			.field-validation-error {
				color: #ff0000;
			}

		</style>
	</head>
	
	<body>
		<div class="container">
			<div class="col-md-6 col-md-offset-3">
				<h1>Hello @(Model.Name ?? "Stranger")</h1>
	
				@using (Html.BeginForm())
				{
					<div class="form-group">
						@Html.LabelFor(m => m.Name)
						@Html.TextBoxFor(model => model.Name, new {@class="form-control"}) 
						@Html.ValidationMessageFor(model => model.Name)
					</div>
					
				
					<button type="submit" class="btn btn-success submit">Submit</button>
				}
			</div>
		</div>
	</body>
</html>

View

 
@model HelloWorldMvcApp.Person 
@{
    Layout = null;
}
​
<!DOCTYPE html>
​
<html lang="en">
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <title>Bootstrap 101 Template</title>
​
        <!-- CSS Includes -->
        <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
        
        <style type="text/css">
​
            .field-validation-error {
                color: #ff0000;
            }
​
        </style>
    </head>
    
    <body>
        <div class="container">
            <div class="col-md-6 col-md-offset-3">
                <h1>Hello @(Model.Name ?? "Stranger")</h1>
    
                @using (Html.BeginForm())
                {
                    <div class="form-group">
                        @Html.LabelFor(m => m.Name)
                        @Html.TextBoxFor(model => model.Name, new {@class="form-control"}) 
                        @Html.ValidationMessageFor(model => model.Name)
                    </div>
                    
                
                    <button type="submit" class="btn btn-success submit">Submit</button>
                }
            </div>
        </div>
    </body>
</html>
​

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

namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		[HttpGet]
		public ActionResult Index()
		{
			return View(new Person());
		}


		[HttpPost]
		public ActionResult Index(Person person)
		{				
			if (ModelState.IsValid)
			{
				person.Name += "加料";
				ModelState.Clear();
			}
			return View(person);
		}
	}
}

Controller

 
using System;
using System.Web.Mvc;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            return View(new Person());
        }
​
​
        [HttpPost]
        public ActionResult Index(Person person)
        {               
            if (ModelState.IsValid)
            {
                person.Name += "加料";
                ModelState.Clear();
            }
            return View(person);
        }
    }
}

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Last Run:	12:03:08 am
Compile:	0.503s
Execute:	0s
Memory:	32kb
CPU:	0s

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