跟大家讲解下有关Html.DropDownList_html/css_WEB-ITnose，相信小伙伴们对这个话题应该也很关注吧，现在就为小伙伴们说说Html.DropDownList_html/css_WEB-ITnose，小编也收集到了有关Html.DropDownList_html/css_WEB-ITnose的相关资料，希望大家看到了会喜欢。

后台

List Countyitems = new List() { //new SelectListItem(){Text="--请选择--", Value="",Selected = false}, new SelectListItem(){Text="钦北区", Value="0",Selected = true}, new SelectListItem(){Text="钦南区", Value="1",Selected = false}, new SelectListItem(){Text="灵山县", Value="2",Selected = false}, new SelectListItem(){Text="浦北县", Value="3",Selected = false}, }; List Cityitems = new List() { //new SelectListItem(){Text="--请选择--", Value="",Selected = false}, new SelectListItem(){Text="钦州市", Value="0",Selected = true} }; List Provinceitems = new List() { //new SelectListItem(){Text="--请选择--", Value="",Selected = false}, new SelectListItem(){Text="广西省", Value="0",Selected = true} }; SelectList CountyList = new SelectList(Countyitems,"Value","Text", 0); SelectList CityList = new SelectList(Cityitems,"Value","Text", 0); SelectList ProvinceList = new SelectList(Provinceitems,"Value","Text", 0); ViewData["County"] = CountyList; ViewData["City"] = CityList; ViewData["Province"] = ProvinceList;

前台

@Html.LabelFor(m => m.Province) @Html.DropDownList("Province", ViewData["Province"] as SelectList, new { style ="width:153px"}) @Html.ValidationMessageFor(m => m.Province) @Html.LabelFor(m => m.City) @*@Html.TextBoxFor(m => m.City)*@ @Html.DropDownList("City", ViewData["City"] as SelectList, new { style ="width:153px"}) @Html.ValidationMessageFor(m => m.City) @Html.LabelFor(m => m.County) @*@Html.TextBoxFor(m => m.County)*@ @Html.DropDownList("County", ViewData["County"] as SelectList, new { style ="width:153px"}) @Html.ValidationMessageFor(m =>m.County)

来源：php中文网