试试这些：



http://www.binaryintellect.net/articles/b58fde6b-415e-454d-985b -d5dc4ad2fca8.aspx [ ^ ]



http://www.c-sharpcorner.com/UploadFile/4d9083/creating-simple-cascading-dropdownlist-in-mvc-4-using-razor/ 一> [ ^ ]



ASP.NET MVC级联下拉列表 [ ^ ]



http://www.c-sharpcorner.com/UploadFile/raj1979/dropdown-cascading-in-mvc4-using-entity-framework/ [ ^ ]





祝你好运

try these:

http://www.binaryintellect.net/articles/b58fde6b-415e-454d-985b-d5dc4ad2fca8.aspx[^]

http://www.c-sharpcorner.com/UploadFile/4d9083/creating-simple-cascading-dropdownlist-in-mvc-4-using-razor/[^]

An ASP.NET MVC Cascading Dropdown List[^]

http://www.c-sharpcorner.com/UploadFile/raj1979/dropdown-cascading-in-mvc4-using-entity-framework/[^]


Good luck

在你的控制器下你应该试试这个，我认为它会对你有所帮助。



公共ActionResult各省（）



{

//这里我正在创建一个通用列表，我正在添加一个项目



List< selectlistitem> prov = new List< selectlistitem>（）;

prov .Add（new SelectListItem {Text =Select Province，Value =0}）;

prov。添加（新的SelectListItem {Text =Northern Cape，Value =1}）;

prov .Add（new SelectListItem {Text =Eastern Cape，Value =2}）;

prov .Add（new SelectListItem {Text =Free State，Value =3}）;

prov .Add（new SelectListItem {Text =Western Cape ，Value =4}）;

prov .Add（new SelectListItem {Text =Limpopo，Value =5}）;

prov .Add （new SelectListItem {Text =North West，Value = 6}）;

prov .Add（new SelectListItem {Text =KwaZulu-Natal，Value =7}）;

prov .Add（new SelectListItem {Text =Mpumalanga，Value =8}）;

prov .Add（new SelectListItem {Text =Gauteng，Value = 9}）;



//在ViewData中存储省份它会将它们传递给视图

ViewData [province] =道具;

retu查看（）;

}

//现在您可以通过右键单击ActionResults方法省来添加视图，然后您必须选择添加视图



@using（Html.BeginForm（））

{

@ Html.DropDownList（省，ViewData [省 ]作为列表< selectlistitem>）

}

Under your controller you should try this, I think it will help you.

public ActionResult Provinces()

{
//Here i'm creating a generic list and I am adding an item to it

List<selectlistitem> prov = new List<selectlistitem>();
prov .Add(new SelectListItem { Text = "Select Province", Value = "0" });
prov .Add(new SelectListItem { Text = "Northern Cape", Value = "1" });
prov .Add(new SelectListItem { Text = "Eastern Cape", Value = "2" });
prov .Add(new SelectListItem { Text = "Free State", Value = "3" });
prov .Add(new SelectListItem { Text = "Western Cape", Value = "4" });
prov .Add(new SelectListItem { Text = "Limpopo", Value = "5" });
prov .Add(new SelectListItem { Text = "North West", Value = 6});
prov .Add(new SelectListItem { Text = "KwaZulu-Natal", Value = "7" });
prov .Add(new SelectListItem { Text = "Mpumalanga", Value = "8" });
prov .Add(new SelectListItem { Text = "Gauteng", Value = "9" });

//storing provinces in ViewData it will pass them to the view
ViewData["province"] = prop;
return View();
}
// Now you can add your View by right-click on ActionResults method Provinces and you have to select Add View

@using (Html.BeginForm())
{
@Html.DropDownList("Province", ViewData["province"]as List<selectlistitem>)
}