SO_MVC_Dropdown | C# Online Compiler

SO_MVC_Dropdown by Kiran Unnikrishnan

using System;
using System.ComponentModel.DataAnnotations;

namespace HelloWorldMvcApp
{
	public class Product
	{
		public int Id { get; set; }
		
		public string Display { get; set; }
		
		public string Description { get; set; }
	}
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
​
namespace HelloWorldMvcApp
{
    public class Product
    {
        public int Id { get; set; }
        
        public string Display { get; set; }
        
        public string Description { get; set; }
    }
}

@model IEnumerable<HelloWorldMvcApp.Product>
@{
	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 -->
		
		
		<style type="text/css">

			.field-validation-error {
				color: #ff0000;
			}

		</style>
			
			<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
	</head>
	
	<body>
		<div class="container">
			<div class="col-md-6 col-md-offset-3">
				<h1>Hello Stranger</h1>
	
				@using (Html.BeginForm())
				{
					<select name="drpProducts" id="drpProducts">
					@{
						foreach(var product in ViewBag.Products)
						{
							<option value="@product.Id"
							 	data-desc="@product.Description">
							 	@product.Display
       					 	</option>
						}
    				}
					</select>
				
				<input type="text" id="txtProductDescription"/>
				}
	
				
			</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>
		
		<script>
			$(document).ready(function(){
			
				$("#drpProducts").change(function(){
			
					var selectedItemDesc = $("#drpProducts option:selected").attr("data-desc");
					$("#txtProductDescription").val(selectedItemDesc);
			
					});
			
			});
		</script>
		
	</body>
</html>

View

 
@model IEnumerable<HelloWorldMvcApp.Product>
@{
    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 -->
        
        
        <style type="text/css">
​
            .field-validation-error {
                color: #ff0000;
            }
​
        </style>
            
            <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    </head>
    
    <body>
        <div class="container">
            <div class="col-md-6 col-md-offset-3">
                <h1>Hello Stranger</h1>
    
                @using (Html.BeginForm())
                {
                    <select name="drpProducts" id="drpProducts">
                    @{
                        foreach(var product in ViewBag.Products)
                        {
                            <option value="@product.Id"
                                data-desc="@product.Description">
                                @product.Display
                            </option>
                        }
                    }
                    </select>
                
                <input type="text" id="txtProductDescription"/>
                }
    
                
            </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>
        
        <script>
            $(document).ready(function(){
            
                $("#drpProducts").change(function(){
            
                    var selectedItemDesc = $("#drpProducts option:selected").attr("data-desc");
                    $("#txtProductDescription").val(selectedItemDesc);
            
                    });
            
            });
        </script>
        
    </body>
</html>
​

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

namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		[HttpGet]
		public ActionResult Index()
		{
			var productsList = new List<Product>
			{
				new Product{Id= 1,Display = "Product 1", Description = "prod 1 description"},
				new Product{Id= 2,Display = "Product 2", Description = "prod 2 description"},
				new Product{Id= 3,Display = "Product 3", Description = "prod 3 description"},
				new Product{Id= 4,Display = "Product 4", Description = "prod 4 description"},
				new Product{Id= 5,Display = "Product 5", Description = "prod 5 description"},
					
			};
			
			ViewBag.Products = productsList;
			return View();
		}


		[HttpPost]
		public JsonResult GetAnswer(string question)
		{				
			int index = _rnd.Next(_db.Count);
			var answer = _db[index];
			return Json(answer);
		}

		private static Random _rnd = new Random();
		
		private static List<string> _db = new List<string> { "Yes", "No", "Definitely, yes", "I don't know", "Looks like, yes"} ;
	}
}

Controller

 
using System;
using System.Web.Mvc;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            var productsList = new List<Product>
            {
                new Product{Id= 1,Display = "Product 1", Description = "prod 1 description"},
                new Product{Id= 2,Display = "Product 2", Description = "prod 2 description"},
                new Product{Id= 3,Display = "Product 3", Description = "prod 3 description"},
                new Product{Id= 4,Display = "Product 4", Description = "prod 4 description"},
                new Product{Id= 5,Display = "Product 5", Description = "prod 5 description"},
                    
            };
            
            ViewBag.Products = productsList;
            return View();
        }
​
​
        [HttpPost]
        public JsonResult GetAnswer(string question)
        {               
            int index = _rnd.Next(_db.Count);
            var answer = _db[index];
            return Json(answer);
        }
​
        private static Random _rnd = new Random();
        
        private static List<string> _db = new List<string> { "Yes", "No", "Definitely, yes", "I don't know", "Looks like, yes"} ;
    }
}

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