jQuery MultiSelect dropdownlist如何访问结果?
如何从一个mvc3/razor调用的JQUery多选下拉列表中获取结果jQuery MultiSelect dropdownlist如何访问结果?,jquery,asp.net-mvc-3,razor,Jquery,Asp.net Mvc 3,Razor,如何从一个mvc3/razor调用的JQUery多选下拉列表中获取结果 multiselect插件使用[]符号将所选值发送到服务器。我们总是从编写视图模型开始: public class MyViewModel { public IEnumerable<string> SelectedValues { get; set; } public IEnumerable<SelectListItem> Items { get
multiselect插件使用
[]
符号将所选值发送到服务器。我们总是从编写视图模型开始:
public class MyViewModel
{
public IEnumerable<string> SelectedValues { get; set; }
public IEnumerable<SelectListItem> Items
{
get
{
return new[]
{
new SelectListItem { Value = "1", Text = "item 1" },
new SelectListItem { Value = "2", Text = "item 2" },
new SelectListItem { Value = "3", Text = "item 3" },
};
}
}
}
相应的观点:
@model MyViewModel
<script src="@Url.Content("~/Scripts/jquery.multiSelect.js")" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$("#SelectedValues").multiSelect();
});
</script>
@using (Html.BeginForm())
{
@Html.ListBoxFor(x => x.SelectedValues, Model.Items)
<button type="submit">OK</button>
}
最后一部分是在应用程序\u Start
中注册模型绑定器:
ModelBinders.Binders.Add(typeof(IEnumerable<string>), new MultiSelectModelBinder());
ModelBinders.Binders.Add(typeof(IEnumerable),新的MultiSelectModelBinder());
请尝试此操作以获取选定的值
public ActionResult Index(MyViewModel model, FormCollection collection)
{
string selectedValues=collection["SelectedValues[]"]; //here you get comma separated values
return View(model);
}
实际上,您还可以通过向操作添加参数来接收所选值 例如,假设您有以下列表框:
//Controller GET
public ActionResult ManageUsers()
{
ViewBag.Users = new SelectList(repository.GetAllUsers(), "Id", "Email");
return View();
}
//View
@Html.ListBox(ViewBag.Users as SelectList, new { @id = "users" })
//Controller POST
[HttpPost]
public ActionResult ManageUsers(List<int> users)
{
//Manage all the selected users which will appear in the List.
return View()...
}
//控制器获取
公共操作结果ManageUsers()
{
ViewBag.Users=新选择列表(repository.GetAllUsers(),“Id”,“Email”);
返回视图();
}
//看法
@Html.ListBox(ViewBag.Users作为SelectList,新建{@id=“Users”})
//控制站
[HttpPost]
public ActionResult ManageUsers(列出用户)
{
//管理将显示在列表中的所有选定用户。
返回视图()。。。
}
我相信你也可以使用数组作为类型,而不是泛型列表,虽然我自己没有尝试过,但关键是将参数命名为与列表框的html元素id相同的名称。这是一个很棒的小快捷方式,而不是通过[]模型的迭代器。谢谢
public ActionResult Index(MyViewModel model, FormCollection collection)
{
string selectedValues=collection["SelectedValues[]"]; //here you get comma separated values
return View(model);
}
//Controller GET
public ActionResult ManageUsers()
{
ViewBag.Users = new SelectList(repository.GetAllUsers(), "Id", "Email");
return View();
}
//View
@Html.ListBox(ViewBag.Users as SelectList, new { @id = "users" })
//Controller POST
[HttpPost]
public ActionResult ManageUsers(List<int> users)
{
//Manage all the selected users which will appear in the List.
return View()...
}