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April 2, 2015 03:22
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MVC 4 SelectList example
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| public class Category | |
| { | |
| public int ID { get; set; } | |
| public string Name { get; set; } | |
| } |
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| public class HomeController : Controller | |
| { | |
| private List<Category> GetOptions() | |
| { | |
| List<Category> categories = new List<Category>(); | |
| categories.Add(new Category() { ID = 1, Name = "Bikes" }); | |
| categories.Add(new Category() { ID = 2, Name = "Cars" }); | |
| categories.Add(new Category() { ID = 3, Name = "Trucks" }); | |
| return categories; | |
| } | |
| public ActionResult Index() | |
| { | |
| Product product = new Product(); | |
| ViewBag.Categories = GetOptions(); | |
| return View(product); | |
| } | |
| [HttpPost] | |
| public ActionResult Index(Product product) | |
| { | |
| ViewBag.Categories = GetOptions(); | |
| return View(product); | |
| } | |
| } |
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| @{ | |
| Layout = null; | |
| } | |
| <!DOCTYPE html> | |
| <html> | |
| <head runat="server"> | |
| <title>ASP.NET MVC Select List Example</title> | |
| </head> | |
| <body> | |
| <div> | |
| <h1>Select Values</h1> | |
| <ul> | |
| @foreach (int c in Model.CategoryID) | |
| { | |
| <li>@c</li> | |
| } | |
| </ul> | |
| @Html.DisplayForModel() | |
| <h1>Change Values</h1> | |
| @using (Html.BeginForm()) | |
| { | |
| @Html.ListBoxFor(x => x.CategoryID, new MultiSelectList(ViewBag.Categories, "ID", "Name", Model.CategoryID)) | |
| <br /> | |
| <input type="submit" value="Submit" /> | |
| } | |
| </div> | |
| </body> | |
| </html> |
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| public class Product | |
| { | |
| public ICollection<int> CategoryID { get; set; } | |
| public Product() | |
| { | |
| CategoryID = new List<int>(); | |
| } | |
| } |
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