可能这个问题的解决方法应该是简单的,但我不能找到最新的错误,为了让读者理解,我必须解释我的情况。该视图没有将正确的信息传递给控制器
我有一个名为位置级别,另一个申请人,另一个ApplicantPosition,另一种状态和ApplicantPositionHistory
阶级地位持有类似职位名称基本信息:例如:.NET开发人员。 申请人拥有姓名,名字等基本信息。 ApplicantPosition类保存关系,上次修改日期和CURRENTSTATUS。 ApplicantPositionHistory类具有2个对名为newStatus和oldStatus的状态的引用。
public class ApplicationPositionHistory
{
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int ApplicationPositionHistoryID { get; set; }
[ForeignKey("ApplicantPositionID")]
public ApplicantPosition ApplicantPosition { get; set; }
[Column("ApplicantPositionID")]
public int ApplicantPositionID { get; set; }
[Column("OldStatusID")]
public int OldStatusID { get; set; }
[Column("NewStatusID")]
public int NewStatusID { get; set; }
[ForeignKey("OldStatusID")]
public Status OldStatus { get; set; }
[ForeignKey("NewStatusID")]
public Status NewStatus { get; set; }
[StringLength(500, MinimumLength = 3, ErrorMessage = "Comments should not be longer than 500 characters.")]
[Display(Name = "Comments")]
public string Comments { get; set; }
[DisplayFormat(DataFormatString = "{0:d}", ApplyFormatInEditMode = true)]
[Display(Name = "Date")]
public DateTime DateModified { get; set; }
}
在我的前端,我有一个屏幕,显示已在在他们创造ApplicantPositionHistory的实体画面应用到位置
name position actions
andew .net developer view history
When they click on history they see:
old status new status comments datemodified
new applied new prospect
applied approved by hr approved by hr
问题的申请人。 我想使用最后一行中的newStatus作为oldstatus,而newstatus应该是用户选择的那个。 (这是整个问题的关键)
在下面的代码中,newStatus和OldStatus总是指向相同的ID。因此,插入工作,但它始终使用相同的ID,并没有显示申请人的状态历史的真实跟踪。
这是HTML
<table>
<tr>
<th>
Previous Status
</th>
</tr>
<tr>
<td>
@Html.Label(ViewData["oldStatus"].ToString())
</td>
</tr>
</table>
@using (Html.BeginForm()) {
@Html.ValidationSummary(true)
<fieldset>
<legend>ApplicationPositionHistory</legend>
<div class="editor-label">
New Status
</div>
<div class="editor-field">
@Html.DropDownList("NewStatusID", (IEnumerable<SelectListItem>)ViewBag.Statuses)
@Html.ValidationMessageFor(model => model.NewStatusID)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.Comments)
</div>
<div class="editor-field">
@Html.TextAreaFor(model => model.Comments)
@Html.ValidationMessageFor(model => model.Comments)
</div>
<p>
<input type="submit" value="Create" />
</p>
</fieldset>
}
这是控制器动作
[HttpPost]
public ActionResult Create(ApplicationPositionHistory applicationpositionhistory)
{
applicationpositionhistory.DateModified = DateTime.Now;
if (ModelState.IsValid)
{
applicationpositionhistory.OldStatusID = applicationpositionhistory.NewStatusID;
applicationpositionhistory.OldStatus =
_unitOfWork.StatusRepository.GetStatusById(applicationpositionhistory.NewStatusID);
_unitOfWork.ApplicantPositionHistoryRepository.InsertApplicationPositionHistory(applicationpositionhistory);
_unitOfWork.Save();
return RedirectToAction("History", new { applicantPositionID = ViewData["applicantPositionId"] });
}
ViewBag.oldStatusID = new SelectList(_unitOfWork.StatusRepository.GetAllStatus(), "StatusID", "status", applicationpositionhistory.OldStatusID);
ViewBag.newStatusID = new SelectList(_unitOfWork.StatusRepository.GetAllStatus(), "StatusID", "status", applicationpositionhistory.NewStatusID);
return View(applicationpositionhistory);
}