ASP.NET MVC post模型始终为空
ASP.NET MVC post模型始终为空
提问于 2018-08-27 01:23:15
我有一个正在构建的ASP.NET MVC应用程序，但我不明白为什么回发的模型总是空的。
cshtml：
<hr />
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
<div class="form-group">
@Html.HiddenFor(model => model.TotalItemCategoryId, new { htmlAttributes = new { @class = "form-control" } })
</div>
<div class="form-group">
@Html.LabelFor(model => model.Label, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Label, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Label, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Value, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Value, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Value, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.HiddenFor(model => model.Quantity, new { htmlAttributes = new { @class = "form-control" } })
</div>
<div class="form-group">
@Html.HiddenFor(model => model.QuoteId, new { htmlAttributes = new { @class = "form-control" } })
</div>
<div class="form-group">
@Html.HiddenFor(model => model.TotalTemplateId, new { htmlAttributes = new { @class = "form-control" } })
</div>
<div class="form-group">
@Html.HiddenFor(model => model.AllowDataEntry,new{@readonly="readonly"})
</div>
<div class="form-group">
@Html.HiddenFor(model => model.IsMiscellaneous)
</div>我已经查看了表单，在发布时，所有字段都具有正确的值。当它到达控制器时，它总是为空。有没有人能帮我解决这个问题。
模型类：
public class TotalItemValue:IEntity
{
public int Id { get; set; }
public int? TotalItemCategoryId { get; set; }
[StringLength(125)]
public string Label { get; set; }
public decimal? Value { get; set; }
public int? Quantity { get; set; }
public int QuoteId { get; set; }
public int? TotalTemplateId { get; set; }
public bool AllowDataEntry { get; set; }
public bool IsMiscellaneous { get; set; }
public TotalItemCategory TotalItemCategory { get; set; }
public TotalTemplate TotalTemplate { get; set; }
}控制器：
public ActionResult CreateMiscellaneousItem(int quoteId)
{
TotalItemValue totalItemValue = _expressionTotalService.CreateMiscellaneousItem(quoteId);
return View(totalItemValue);
}
[HttpPost]
public ActionResult CreateMiscellaneousItem( TotalItemValue value)
{
_expressionTotalService.SaveMiscellaneousItem(value);
return RedirectToAction("Totals", new{quoteId=value.QuoteId});
}回答 1
Stack Overflow用户
回答已采纳
发布于 2018-08-27 01:32:04
因为您的模型包含名为value value 的属性，并且您还在POST方法中将模型的参数命名为，所以将其命名为null。
您必须在TotalItemValue模型中添加QuoteId属性，并将请求参数名称从value更改为model。
试试这个：
public class TotalItemValue:IEntity
{
...
public int QuoteId{ get; set; }
...
}
[HttpPost]
public ActionResult CreateMiscellaneousItem(TotalItemValue model)
{
...
_expressionTotalService.SaveMiscellaneousItem(model);
return RedirectToAction("Totals", new{model.QuoteId});
}视图
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>TotalItemValue</h4>
<hr />
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
<div class="form-group">
@Html.LabelFor(model => model.TotalItemCategoryId, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.TotalItemCategoryId, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.TotalItemCategoryId, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Label, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Label, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Label, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Value, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Value, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Value, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Quantity, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Quantity, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.Quantity, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.QuoteId, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.QuoteId, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.QuoteId, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.TotalTemplateId, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.TotalTemplateId, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.TotalTemplateId, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.AllowDataEntry, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
<div class="checkbox">
@Html.EditorFor(model => model.AllowDataEntry)
@Html.ValidationMessageFor(model => model.AllowDataEntry, "", new { @class = "text-danger" })
</div>
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.IsMiscellaneous, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
<div class="checkbox">
@Html.EditorFor(model => model.IsMiscellaneous)
@Html.ValidationMessageFor(model => model.IsMiscellaneous, "", new { @class = "text-danger" })
</div>
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/52028631
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