DropDownListFor SelectedValue | C# Online Compiler

DropDownListFor SelectedValue by Shinano

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

namespace HelloWorldMvcApp
{
	public class SampleViewModel
	{
    public bool? Field1 { get; set; }
    public bool? Field2 { get; set; }
    public bool? Field3 { get; set; }
    public bool? Field4 { get; set; }
    public bool? Field5 { get; set; }
    public IEnumerable<SelectListItem> YesNoBlank { get; set; }
	}
}

Model

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using System;
using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class SampleViewModel
    {
    public bool? Field1 { get; set; }
    public bool? Field2 { get; set; }
    public bool? Field3 { get; set; }
    public bool? Field4 { get; set; }
    public bool? Field5 { get; set; }
    public IEnumerable<SelectListItem> YesNoBlank { 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>
		<div class="container">
			<div class="col-md-6 col-md-offset-3">
				<h1>Dropdown Test</h1>
	
				@using (Html.BeginForm())
				{
					<div class="form-group">
						Field 1 @Html.DropDownListFor(b => b.Field1, Model.YesNoBlank)
        <br />
        Field 2 @Html.DropDownListFor(b => b.Field2, Model.YesNoBlank)
        <br />
        Field 3 @Html.DropDownListFor(b => b.Field3, Model.YesNoBlank)
				@Html.DropDownListFor(b => b.Field3, new SelectList(Model.YesNoBlank, "Value", "Text", null))
        <br />
        Field 4 @Html.DropDownListFor(b => b.Field4, Model.YesNoBlank)
        <br />
        Field 5 @Html.DropDownListFor(b => b.Field5, Model.YesNoBlank)
				@Html.DropDownListFor(b => b.Field5, new SelectList(Model.YesNoBlank, "Value", "Text", null))
					</div>
				}
	
				<br/><br/>
				<div class="alert alert-warning fade">
					<img src="http://entechprod.blob.core.windows.net/dotnetfiddle/morpheus.jpg" style="max-width:100%;"/><br/><br/>
					<strong><span class="alert-content"></span></strong>
				</div>
			</div>
		</div>

		<!-- JS includes -->
		<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
		<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
	
		<script src="//ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
		<script src="//ajax.aspnetcdn.com/ajax/mvc/4.0/jquery.validate.unobtrusive.min.js"></script>
		
	</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>
        <div class="container">
            <div class="col-md-6 col-md-offset-3">
                <h1>Dropdown Test</h1>
    
                @using (Html.BeginForm())
                {
                    <div class="form-group">
                        Field 1 @Html.DropDownListFor(b => b.Field1, Model.YesNoBlank)
        <br />
        Field 2 @Html.DropDownListFor(b => b.Field2, Model.YesNoBlank)
        <br />
        Field 3 @Html.DropDownListFor(b => b.Field3, Model.YesNoBlank)
                @Html.DropDownListFor(b => b.Field3, new SelectList(Model.YesNoBlank, "Value", "Text", null))
        <br />
        Field 4 @Html.DropDownListFor(b => b.Field4, Model.YesNoBlank)
        <br />
        Field 5 @Html.DropDownListFor(b => b.Field5, Model.YesNoBlank)
                @Html.DropDownListFor(b => b.Field5, new SelectList(Model.YesNoBlank, "Value", "Text", null))
                    </div>
                }
    
                <br/><br/>
                <div class="alert alert-warning fade">
                    <img src="http://entechprod.blob.core.windows.net/dotnetfiddle/morpheus.jpg" style="max-width:100%;"/><br/><br/>
                    <strong><span class="alert-content"></span></strong>
                </div>
            </div>
        </div>
​
        <!-- JS includes -->
        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
        <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
    
        <script src="//ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
        <script src="//ajax.aspnetcdn.com/ajax/mvc/4.0/jquery.validate.unobtrusive.min.js"></script>
        
    </body>
</html>
​

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

namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		[HttpGet]
		public ActionResult Index()
		{
    var selectListItems = new List<SelectListItem>
    {
        new SelectListItem {Value = null, Text = ""},
        new SelectListItem {Value = "True", Text = "Yes"},
        new SelectListItem {Value = "False", Text = "No"},
    };

    var viewModel = new SampleViewModel();
    viewModel.Field2 = true;
	viewModel.Field3 = null;
    viewModel.Field4 = false;
	viewModel.Field5 = null;
    viewModel.YesNoBlank = selectListItems;

    return View(viewModel);
		}


	}
}

Controller

 
using System;
using System.Web.Mvc;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
    var selectListItems = new List<SelectListItem>
    {
        new SelectListItem {Value = null, Text = ""},
        new SelectListItem {Value = "True", Text = "Yes"},
        new SelectListItem {Value = "False", Text = "No"},
    };
​
    var viewModel = new SampleViewModel();
    viewModel.Field2 = true;
    viewModel.Field3 = null;
    viewModel.Field4 = false;
    viewModel.Field5 = null;
    viewModel.YesNoBlank = selectListItems;
​
    return View(viewModel);
        }
​
​
    }
}

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