View to Controller Method | C# Online Compiler

View to Controller Method by Suresh Nag

using System;
using System.ComponentModel.DataAnnotations;

namespace HelloWorldMvcApp
{
	public class SampleViewModel
	{
		[Required]
		[MinLength(10)]
		[MaxLength(100)]
		[Display(Name = "Ask Magic 8 Ball any question:")]
		public string Question { get; set; }

		//See here for list of answers
		public string Answer { get; set; }
	}
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
​
namespace HelloWorldMvcApp
{
    public class SampleViewModel
    {
        [Required]
        [MinLength(10)]
        [MaxLength(100)]
        [Display(Name = "Ask Magic 8 Ball any question:")]
        public string Question { get; set; }
​
        //See here for list of answers
        public string Answer { get; set; }
    }
}

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

<!DOCTYPE html>
<!-- template from http://getbootstrap.com/getting-started -->

<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>
		
			@using (Html.BeginForm())
		{
			
			<table>
				<tr>
				<td colspan = "2"> 
				
				@if(ViewData["Sum"] !=null)
			{
				<span> Sum is : </span> @ViewData["Sum"]
			}
				
				</td>
				</tr>
				<tr><td>First Num</td>
					
					<td>
					
					<input type="text" name="txtFname" id="txtFname"  />
					
					</td>
					
					</tr>
				<tr>
					
					<td>Second Num</td>
					
					<td><input type="text" name="txtSname" id="txtSname" /></td>
					
					</tr>
					
				<tr>
					
					<td> </td>
					
					<td>
					<input type="submit" name="Submit" />
					</td>
					
					</tr>
					
					
					
				</table>
			
			
		}
			
			
	</body>
</html>

View

 
@model HelloWorldMvcApp.SampleViewModel
@{
    Layout = null;
}
​
<!DOCTYPE html>
<!-- template from http://getbootstrap.com/getting-started -->
​
<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>
        
            @using (Html.BeginForm())
        {
            
            <table>
                <tr>
                <td colspan = "2"> 
                
                @if(ViewData["Sum"] !=null)
            {
                <span> Sum is : </span> @ViewData["Sum"]
            }
                
                </td>
                </tr>
                <tr><td>First Num</td>
                    
                    <td>
                    
                    <input type="text" name="txtFname" id="txtFname"  />
                    
                    </td>
                    
                    </tr>
                <tr>
                    
                    <td>Second Num</td>
                    
                    <td><input type="text" name="txtSname" id="txtSname" /></td>
                    
                    </tr>
                    
                <tr>
                    
                    <td> </td>
                    
                    <td>
                    <input type="submit" name="Submit" />
                    </td>
                    
                    </tr>
                    
                    
                    
                </table>
            
            
        }
            
            
    </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 SampleViewModel());
		}

		[HttpPost]
		public ActionResult Index(FormCollection frm)
		{
			
			
			int result = Convert.ToInt32(frm[0]) + Convert.ToInt32(frm[1]);
	
			ViewData["Sum"] = result;
			
						
			return View();
			
		}
		

		}
}

Controller

 
using System;
using System.Web.Mvc;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            return View(new SampleViewModel());
        }
​
        [HttpPost]
        public ActionResult Index(FormCollection frm)
        {
            
            
            int result = Convert.ToInt32(frm[0]) + Convert.ToInt32(frm[1]);
    
            ViewData["Sum"] = result;
            
                        
            return View();
            
        }
        
​
        }
}

View in Full Screen

10
5
Run-time exception (line 28): Console.Read is not supported.

Stack Trace:

[System.NotImplementedException: Console.Read is not supported.]
   at DotNetFiddle.Infrastructure.ConsoleStringReader.Read() :line 28
   at System.IO.TextReader.SyncTextReader.Read()
   at System.Console.Read()
   at Program.Main() :line 16

Last Run:	10:32:38 pm
Compile:	0.125s
Execute:	0s
Memory:	40kb
CPU:	0.016s

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