我將viewModel從View1的HttpPost重定向到View2的HttpGet。 這工作沒有問題。 用戶必須接受條款和同意書。 這應該在viewModel中更改爲true(在它爲false之前)。 然後重定向到view2的HttpPost。在HttpPost操作方法中查看模型參數爲空
出現問題。 View2的HttpPost ActionResult收到所有參數爲NULL的視圖模型(在它們被填充之前)
我該如何解決這個問題?
這裏是我的HTTPGET的ActionResult爲視圖2:
public ActionResult Verify(QuestionViewModel viewModel)
{
//Anrede in Viewbag
if (viewModelVeri.Per_Salutation == 2)
{
ViewBag.Per_Salutation = "Frau";
}
else
{
ViewBag.Per_Salutation = "Herr";
}
int? per_region_id = viewModelVeri.Per_Region;
int per_region_id_nullable = Convert.ToInt32(per_region_id);
Region region = _repository.GetRegionById(per_region_id_nullable);
QuestionViewModel viewModel2 = new QuestionViewModel()
{
Reg_Name = region.Reg_Name
};
//Regionsname in Viewbag
ViewBag.Reg_Name = viewModel2.Reg_Name;
return View(viewModel);
}
這是我的HttpPost的ActionResult爲視圖2:
[HttpPost]
public ActionResult Verify(QuestionViewModel viewModel, string tbButton)
{
//here the ViewModel-Parameters are already NULL
筆者認爲:
<div class="panel-body">
@using (Html.BeginForm("Verify", "QuestionForm", FormMethod.Post, new { id = "verifyform" }))
{
@Html.AntiForgeryToken()
<div class="ctrl-row">
<div class="form-group">
<div class="container-fluid">
@Html.LabelFor(model => model.Per_Salutation, new { @class = "control-label col-sm-1" })
<div class="col-sm-3">
@ViewBag.Per_Salutation
</div>
</div>
</div>
</div>
<div class="ctrl-row">
<div class="form-group">
<div class="container-fluid">
@Html.LabelFor(model => model.Per_Name_Last, new { @class = "control-label col-sm-1" })
<div class="col-sm-3">
@Html.DisplayFor(model => model.Per_Name_Last, new { @class = "control-label col-sm-1 non-zero-num" })
</div>
@Html.LabelFor(model => model.Per_Name_First, new { @class = "control-label col-sm-1" })
<div class="col-sm-3">
@Html.DisplayFor(model => model.Per_Name_First, new { @class = "control-label col-sm-1 non-zero-num" })
</div>
</div>
</div>
</div
<div class="ctrl-row">
<div class="form-group">
<div class="container-fluid">
@Html.LabelFor(model => model.Per_EMail, new { @class = "control-label col-sm-1" })
<div class="col-sm-8">
@Html.DisplayFor(model => model.Per_EMail, new { @class = "control-label col-sm-1 non-zero-num" })
</div>
</div>
</div>
</div>
<div class="checkbox">
<input type="checkbox" id="NutzungsbedingungenAngenommen " />
<label for="NutzungsbedingungenAngenommen ">
Ich erkläre mich mit den Nutzungsbedingungen einverstanden.
</label>
</div>
<button class="btn btn-default" type="submit" name="tbButton" value="questsend">Senden</button>
}
<script>
$(document).ready(function() {
$(".non-zero-num").val($(this).val() == 0 ? ' ' : $(this).val());
})
$('#verifyform').on('click', '[value="questsend"]', function() {
if ($('#agree').is(':checked')) {
return true;
}
else {
return false;
}
});
</script>
編輯
這裏我QuestionViewModel
public class QuestionViewModel
{
//Other Properties
[Required(ErrorMessage = "Bitte die Nutzungsbedingungen annehmen!")]
public bool NutzungsbedingungenAngenommen { get; set; }
}
我HttpPost控制器視圖1:
[HttpPost]
public ActionResult DefaultForm(QuestionViewModel viewModel, string tbButton)
{
if (ModelState.IsValid)
{
try
{
if (tbButton.Equals("questsend"))
{
return RedirectToAction("Verify", viewModel);
}
else if (tbButton.Equals("questupload"))
{
//write to DB
return View(viewModel);
}
else
{
dropdownPopulate(viewModel);
return View("DefaultForm", viewModel);
}
}
catch
{
dropdownPopulate(viewModel);
return View(viewModel);
}
}
else
{
dropdownPopulate(viewModel);
return View(viewModel);
}
}
我不明白爲什麼View2的HttpGet有'QuestionViewModel'參數。請在HttpGet for View2中顯示View1的HttpPost代碼和'return View(viewModel);'之前的代碼。 – ekad
@ekad我的View1是用戶填寫數據的表單。然後httppost控制器將其重定向到view2,用戶可以在這裏說出一切是否正確,或者他是否想要返回並更正某些內容。 view2中的'viewModel''參數是因爲我需要從視圖模型的數據將其顯示給用戶 – Shaorandra