MVC DropDownListFor Get Object in Controller | C# Online Compiler

MVC DropDownListFor Get Object in Controller by jatmartinez16@gmail.com

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

namespace HelloWorldMvcApp
{
	public class SampleViewModel
	{
		public int Id{get;set;}
		public List<Something>Things{get;set;}
		public Something SomethingSelected{get;set;}
		
		public SampleViewModel()
		{
			
			Things=new List<Something>()
			{
				new Something(){Id=1, Name="A"},
			    new Something(){Id=2, Name="B"},
				new Something(){Id=3, Name="C"}
			};
		}
		
	}
	
	public class Something
	{
		public int Id{get;set;}
		public string Name{get;set;}
	}
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class SampleViewModel
    {
        public int Id{get;set;}
        public List<Something>Things{get;set;}
        public Something SomethingSelected{get;set;}
        
        public SampleViewModel()
        {
            
            Things=new List<Something>()
            {
                new Something(){Id=1, Name="A"},
                new Something(){Id=2, Name="B"},
                new Something(){Id=3, Name="C"}
            };
        }
        
    }
    
    public class Something
    {
        public int Id{get;set;}
        public string Name{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>

		
		
	</head>
	
	<body>
		<div class="container">
			<div class="col-md-6 col-md-offset-3">
				<p>Message: @ViewBag.Message</p>
				
	
				@using (Html.BeginForm("SaveThis","Home"))
				{
					@Html.DropDownListFor(s=>s.SomethingSelected,new SelectList(Model.Things,"Id","Name"))
				
				<input type="submit"/>
				}
	
				
			
			</div>
		</div>

	
		
	

	
	</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>
​
        
        
    </head>
    
    <body>
        <div class="container">
            <div class="col-md-6 col-md-offset-3">
                <p>Message: @ViewBag.Message</p>
                
    
                @using (Html.BeginForm("SaveThis","Home"))
                {
                    @Html.DropDownListFor(s=>s.SomethingSelected,new SelectList(Model.Things,"Id","Name"))
                
                <input type="submit"/>
                }
    
                
            
            </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 SampleViewModel());
		}
		
		public ActionResult SaveThis(SampleViewModel model)
		{
			if(model==null)
			{
				ViewBag.Message="MODEL IS NULL";
			}
			else if(model.SomethingSelected==null)
			{
				ViewBag.Message="SomethingSelected IS NULL";
			}
			else
			{
			ViewBag.Message=model.SomethingSelected.Name;
			}
			return	 View(new SampleViewModel());
			
		}
		
	}
}

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());
        }
        
        public ActionResult SaveThis(SampleViewModel model)
        {
            if(model==null)
            {
                ViewBag.Message="MODEL IS NULL";
            }
            else if(model.SomethingSelected==null)
            {
                ViewBag.Message="SomethingSelected IS NULL";
            }
            else
            {
            ViewBag.Message=model.SomethingSelected.Name;
            }
            return   View(new SampleViewModel());
            
        }
        
    }
}

View in Full Screen

View IL Code