C# R看：。很好的Sajjad，也许是第一次看到MVC的网络小提琴@如果一切都是第一次！！ @Html.DropDownList("country", (IEnumerable<SelectListItem>)ViewBag.countrydrop

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R看：。很好的Sajjad，也许是第一次看到MVC的网络小提琴@如果一切都是第一次！！

@Html.DropDownList("country", (IEnumerable<SelectListItem>)ViewBag.countrydrop,"Select country")

List<Companyregister> coun = new List<Companyregister>();
coun = ds.getcountry();

List<SelectListItem> item8 = new List<SelectListItem>();
foreach( var c in coun )
{
    item8.Add(new SelectListItem
    {
        Text = c.country,
        Value = c.countryid.ToString()
    });
}

ViewBag.countrydrop = item8;
return View();

@Html.DropDownList("ddlcountry",(List<SelectListItem>)ViewBag.countrydrop,"Select country")

ViewBag.countrydrop = ds.getcountry().Select(x => new SelectListItem { Text = x.country, Value = x.countryid.ToString() }).ToList();

@Html.DropDownList("country",
                   (IEnumerable<SelectListItem>)ViewBag.country,
                   "Select country")

@Html.DropDownList("country","Select country") // it will look for ViewBag.country and populates dropdown

 var list = new SelectList(countryList, "Id", "Name");
 ViewBag.countries=list;
 @Html.DropDownList("countries",ViewBag.countries as SelectList)

@Html.DropDownListFor(m => m.SelectedItemId, Model.MySelectList)

public MyModel()
{
    MySelectList = new SelectList(new List<string>()); // empty list of anything...
}

viewModel.MySelectList = new List<System.Web.Mvc.SelectListItem>();

index.cshtml:

@using expert.Models;
@{
    ViewBag.Title = "Create";
    Layout = "~/Views/Shared/_Layout.cshtml";
    Manager db = new Manager();
    ViewBag.FORM_PRESTATION = new SelectList(db.T_BDE_PRESTATION_PRES.OrderBy(p => p.PRES_INTITULE).Where(p => p.T_B_PRES_ID == null), "PRES_ID", "PRES_INTITULE");

}


<div class="form-group">                    
<label class = "w3-blue" style ="text-shadow:1px 1px 0 #444">Domaine:</label>
  <div class="col-md-10">
 @Html.DropDownList("FORM_PRESTATION", null, htmlAttributes: new { @class = "w3-select ", @required = "true" })
</div>
</div>

List<CountryModel> countryList = db.countryTable.ToList();
ViewBag.Country = new SelectList(countryList, "Country", "CountryName");

@Html.DropDownList("countrydrop", (IEnumerable<SelectListItem>)ViewBag.countrydrop,"Select country")