[Fork] MultiSelectListExample | C# Online Compiler

[Fork] MultiSelectListExample by Shinano

using System;
using System.ComponentModel.DataAnnotations;

namespace HelloWorldMvcApp
{
	public class SampleViewModel
	{
		
	}
	
	public class NameList
	{
	    public int? personId { get; set; }
		public string personFullname { get; set; }
	}
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
​
namespace HelloWorldMvcApp
{
    public class SampleViewModel
    {
        
    }
    
    public class NameList
    {
        public int? personId { get; set; }
        public string personFullname { get; set; }
    }
}

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

@{
					var ddlNameList = ViewBag.ddlNameList;
var ddlPersonName = ViewBag.ddlPersonName;
				}

<!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">
				<h3>Person Data</h3>
	
				@using (Html.BeginForm())
				{
					<div class="form-group">
<div class="editor-field">
@Html.ListBox("PersonIds", new MultiSelectList(ddlNameList, "Value", "Text", ddlPersonName), new { data_placeholder = "Select Employees...", @class = "chosen input-long-75", multiple = "multiple" })
                            </div>
</div>
					</div>
				
				}
	
				<br/><br/>
			</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;
}
​
@{
                    var ddlNameList = ViewBag.ddlNameList;
var ddlPersonName = ViewBag.ddlPersonName;
                }
​
<!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">
                <h3>Person Data</h3>
    
                @using (Html.BeginForm())
                {
                    <div class="form-group">
<div class="editor-field">
@Html.ListBox("PersonIds", new MultiSelectList(ddlNameList, "Value", "Text", ddlPersonName), new { data_placeholder = "Select Employees...", @class = "chosen input-long-75", multiple = "multiple" })
                            </div>
</div>
                    </div>
                
                }
    
                <br/><br/>
            </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.Linq;
using System.Collections.Generic;

namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		[HttpGet]
		public ActionResult Index()
		{
			var nameList = new List<NameList>() {
				new NameList() { personId = 101, personFullname = "John Smith" },
				new NameList() { personId = 191, personFullname = "Jim Smith" },
				new NameList() { personId = 202, personFullname = "John Doe" },
			};
		
			var getddlName = (from a in nameList
                                      where a.personId != null
                                      && a.personId != 0
                                      select new SelectListItem
                                      {
                                          Value = a.personId.ToString(),
                                          Text = a.personFullname
                                      }).ToList();
            ViewBag.ddlNameList = getddlName;
			
			var ddlPersonIds = "101,191,202";
			
			if (ddlPersonIds != null)
            {
                List<string> list1 = new List<string>();
                var empIds = ddlPersonIds.Split(',');
                foreach(var c in empIds){

                list1.Add(c);
                }

               ViewBag.ddlPersonName = list1;

            }
		
			return View(new SampleViewModel());
		}

	}
}

Controller

 
using System;
using System.Web.Mvc;
using System.Linq;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            var nameList = new List<NameList>() {
                new NameList() { personId = 101, personFullname = "John Smith" },
                new NameList() { personId = 191, personFullname = "Jim Smith" },
                new NameList() { personId = 202, personFullname = "John Doe" },
            };
        
            var getddlName = (from a in nameList
                                      where a.personId != null
                                      && a.personId != 0
                                      select new SelectListItem
                                      {
                                          Value = a.personId.ToString(),
                                          Text = a.personFullname
                                      }).ToList();
            ViewBag.ddlNameList = getddlName;
            
            var ddlPersonIds = "101,191,202";
            
            if (ddlPersonIds != null)
            {
                List<string> list1 = new List<string>();
                var empIds = ddlPersonIds.Split(',');
                foreach(var c in empIds){
​
                list1.Add(c);
                }
​
               ViewBag.ddlPersonName = list1;
​
            }
        
            return View(new SampleViewModel());
        }
​
    }
}

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