我正在尝试在视图中显示复杂的视图模型，除了一个下拉列表外，一切正常。我正在显示枚举列表，并将所选对象设置为应有的状态。但由于未知原因，它没有显示选定的值。我已经尝试了很多次但失败了——请帮助我。代码如下 -
枚举：
public enum CommentStatus
{
NoStatus = 0,
Resolved = 1,
NotApplicable = 2
}
模型：
public class CheckComments
{
public string EntryId { get; set; }
public int Serial { get; set; }
public string Comment { get; set; }
public DateTime CommentDate { get; set; }
public CommentStatus CommentStatus { get; set; }
}
public class CheckDataViewModel
{
public string EntryId { get; set; }
public string CheckId { get; set; }
public decimal Value { get; set; }
public List<CheckComments> CheckCommentsList { get; set; }
public List<string> CommentStatusList { get; set; }
}
控制器：
public class CheckDataController : Controller
{
public ActionResult GetEnteredCheckData(string entryId)
{
var checkDataViewModel = new CheckDataViewModel();
var checkData = new CheckDataManager().GetCheckData(entryId);
checkDataViewModel.EntryId = checkData.EntryId;
checkDataViewModel.CheckId = checkData.CheckId;
checkDataViewModel.Value = checkData.Value;
checkDataViewModel.CheckCommentsList = checkData.Comments;
checkDataViewModel.CommentStatusList = Enum.GetNames(typeof (CommentStatus)).ToList();
return View("EnteredCheckData", checkDataViewModel);
}
}
看法：
@model PDCA.Web.Models.CheckDataViewModel
@{
ViewBag.Title = "EnteredCheckData";
Layout = "~/Views/Shared/_Layout.cshtml";
}
@using (Html.BeginForm())
{
@Html.ValidationSummary(true)
<fieldset>
<div class="row">
<div class="span3">
<div class="text-left">@Html.LabelFor(model => model.EntryId)</div>
</div>
<div class="span3">
<div class="text-left">
@Html.DisplayFor(model => model.EntryId)
@Html.HiddenFor(model => model.EntryId)
</div>
</div>
</div>
</fieldset>
<fieldset>
<legend>Check Information</legend>
<div class="row">
<div class="span3">
<div class="text-left">@Html.LabelFor(model => model.CheckId)</div>
</div>
<div class="span3">
<div class="text-left">
@Html.DisplayFor(model => model.Check.CheckId)
@Html.HiddenFor(model => model.Check.CheckId)
</div>
</div>
</div>
</fieldset>
<fieldset>
<legend>Comments</legend>
<div>
<table class="table table-bordered">
<tr>
<th>
Serial
</th>
<th>
Comment
</th>
<th>
Date
</th>
<th>
Status
</th>
<th>
</th>
</tr>
@for (int i = 0; i < Model.CheckCommentsList.Count; i++)
{
<tr>
<td>
@Html.DisplayFor(modelItem => Model.CheckCommentsList[i].Serial)
@Html.HiddenFor(modelItem => Model.CheckCommentsList[i].Serial)
</td>
<td>
@Html.DisplayFor(modelItem => Model.CheckCommentsList[i].Comment)
@Html.HiddenFor(modelItem => Model.CheckCommentsList[i].Comment)
</td>
<td>
@Html.DisplayFor(modelItem => Model.CheckCommentsList[i].CommentDate)
@Html.HiddenFor(modelItem => Model.CheckCommentsList[i].CommentDate)
</td>
<td>
@Html.DropDownListFor(modelItem => Model.CheckCommentsList[i].CommentStatus, new SelectList(Model.CommentStatusList, Model.CheckCommentsList[i].CommentStatus))
@Html.ValidationMessageFor(model => Model.CheckCommentsList[i].CommentStatus)
</td>
<td>
@Html.ActionLink("Update Status", "UpdateCommentStatus", new { Model.EntryId, Model.CheckCommentsList[i].Serial, Model.Check.CheckTitle, Model.Check.CheckId })|
@Html.ActionLink("Delete", "DeleteComment", new { Model.CheckCommentsList[i].Serial, Model.EntryId })
</td>
</tr>
}
</table>
</div>
</fieldset>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
代码太长了，但我认为这将帮助您理解我的错误。先谢谢朋友。