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我正在使用多选下拉菜单的引导selectpicker来过滤mvc5 web应用程序中表的项目。到目前为止一切正常,但我无法保持提交后选定的筛选器。因此,我可以读取控制器中选定的过滤器,但在此之后,只有先前选择的第一个过滤器在提交后仍显示为选中状态。我希望所有选定的过滤器仍然被选中。我怎么能达到这个?Bootstrap Selectpicker multiselect在提交后不保留选择
这里北京时间我的代码,视图模型包含:
public MultiSelectList AvailableUser_ID { get; set; }
private List<string> _selectedUserId = new List<string>();
public List<string> SelectedUserId
{
get { return _selectedUserId; }
set { _selectedUserId = value; }
}
的控制器(POST):
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Index([Bind(Include = "SelectedUserId,SelectedUserInteractionTypesId")] IndexUserInteractionViewModel indexUserInteractionViewModel)
{
indexUserInteractionViewModel.UserInteractionViewModels = new List<UserInteractionViewModels>();
indexUserInteractionViewModel.AvailableUser_ID = new MultiSelectList(db.AspNetUsers.ToList(), "Id", "Email", indexUserInteractionViewModel.SelectedUserId);
// Filter Function: selectedUserId contains all the Ids of the previously selected filters
foreach (string selectedUserId in indexUserInteractionViewModel.SelectedUserId)
{
if (userInteraction.AspNetUsers_Id.Equals(selectedUserId))
// ...
}
}
和视图:
<script type="text/javascript">
$(document).ready(function() {
$('.selectpicker').selectpicker();
});
</script>
<th>@Html.DropDownListFor(Model => Model.SelectedUserId, Model.AvailableUser_ID as MultiSelectList, new { @id = "userFilter", @class = "selectpicker", @multiple = "mulitple", data_live_search = "true" })</th>
所以,我怎么能保持选择了选择?
不幸的是我有一点js知识,我假设我可以在js脚本中解决它。我希望这里有一些专家。谢谢!