Dropdownlist của Model
Ngày đăng: 24/12/2023 03:12:15 PM

public class PersonModel
{
    [Required(ErrorMessage = "Gender is required.")]
    public string Gender { get; set; }
}


public class HomeController : Controller
{
    // GET: Home
    public ActionResult Index()
    {
        return View();
    }
 
    [HttpPost]
    public ActionResult Index(PersonModel person)
    {
        return View();
    }
}
@model DropDownList_Validation_MVC.Models.PersonModel
 
@{
    Layout = null;
}
 
<!DOCTYPE html>
 
<html>
<head>
    <meta name="viewport" content="width=device-width"/>
    <title>Index</title>
    <style type="text/css">
        body {
            font-family: Arial;
            font-size: 10pt;
        }
        .error {
            color: red;
        }
    </style>
</head>
<body>
    @using (Html.BeginForm("Index", "Home", FormMethod.Post))
    {
        <table>
            <tr>
                <td>@Html.DisplayFor(m => m.Gender)</td>
                <td>@Html.DropDownListFor(m => m.Gender, new List<SelectListItem>
                   { new SelectListItem{Text="Male", Value="M"},
                     new SelectListItem{Text="Female", Value="F"}}, "Please select")</td>
                <td>@Html.ValidationMessageFor(m => m.Gender, "", new { @class = "error" })</td>
            </tr>
            <tr>
                <td></td>
                <td><input type="submit" value="Submit"/></td>
                <td></td>
            </tr>
        </table>
    }
</body>
@Scripts.Render("~/bundles/jquery")
@Scripts.Render("~/bundles/jqueryval")
</html>