Enum to Dropdown and back to binding | C# Online Compiler

Enum to Dropdown and back to binding by IbrahimIslam

using System;
using System.ComponentModel.DataAnnotations;

namespace HelloWorldMvcApp
{
	public enum UserDocumentType
	{
		IdCard,
		Passport,
		DrivingLicense,
		ResidentsPermit
	}
	
	public class SampleViewModel
	{
		public UserDocumentType DocType
		{
			get;
			set;
		}
	}
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
​
namespace HelloWorldMvcApp
{
    public enum UserDocumentType
    {
        IdCard,
        Passport,
        DrivingLicense,
        ResidentsPermit
    }
    
    public class SampleViewModel
    {
        public UserDocumentType DocType
        {
            get;
            set;
        }
    }
}

@model HelloWorldMvcApp.SampleViewModel

<!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>Enum Sample</title>
	</head>
	
	<body>
		<div>
			<form action="@Url.Action("Submit")" method="post">
				@Html.DropDownList("DocType", 
				Enum.GetNames(typeof(HelloWorldMvcApp.UserDocumentType)).Select(n => new SelectListItem { Text = n, Value = n, Selected = n == Enum.GetName(typeof(HelloWorldMvcApp.UserDocumentType), Model.DocType) }))
				<input type="submit" name="Submit" value="Submit" />
			</form>
		</div>
	</body>
</html>

View

 
@model HelloWorldMvcApp.SampleViewModel
​
<!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>Enum Sample</title>
    </head>
    
    <body>
        <div>
            <form action="@Url.Action("Submit")" method="post">
                @Html.DropDownList("DocType", 
                Enum.GetNames(typeof(HelloWorldMvcApp.UserDocumentType)).Select(n => new SelectListItem { Text = n, Value = n, Selected = n == Enum.GetName(typeof(HelloWorldMvcApp.UserDocumentType), Model.DocType) }))
                <input type="submit" name="Submit" value="Submit" />
            </form>
        </div>
    </body>
</html>
​

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

namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		public ActionResult Index()
		{
			//Select default as Passport
			var user = new SampleViewModel
			{
				DocType = UserDocumentType.Passport
			};
			return View(user);
		}

		public void Submit(SampleViewModel vm)
		{
			//vm.DocType would be what was selected when submit was clicked
		}
	}
}

Controller

 
using System;
using System.Web.Mvc;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            //Select default as Passport
            var user = new SampleViewModel
            {
                DocType = UserDocumentType.Passport
            };
            return View(user);
        }
​
        public void Submit(SampleViewModel vm)
        {
            //vm.DocType would be what was selected when submit was clicked
        }
    }
}

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