asp.net-mvc – Razor不会在HiddenFor中呈现隐藏的准确PK

当用户尝试重新保存代理时出现错误.在第一个回发后,代理将保存到数据库中并生成PK.然而,在第二个回发后,PK被发送到服务器,其值为0而不是刚刚自动生成的值.

我在“创建”视图中添加了一个HiddenFor,但每次都会使用值0呈现.

我还逐步完成了代码,以确保在调用.Save之后生成PK,在调用返回View时仍然存在,并且还确保在视图处理时Model.ID属性包含相同的值渲染.

无论如何,如果我右键单击页面并查看源,隐藏字段将呈现如下：

<input data-val="false" data-val-number="The field ID must be a number." data-val-required="The ID field is required." id="ID" name="ID" type="hidden" value="0" />

模型

public partial class AgentTransmission
{
    public int ID { get; set; }
    .
    .
    .
}

视图

@model MonetModelFromDb.Models.AgentTransmission

@{
    ViewBag.Title = "Create new Agent";
}

@Html.HiddenFor(model => model.CreatedDate,new { data_val = "false" })
@Html.HiddenFor(model => model.CreatedOperator,new { data_val = "false" })
@Html.HiddenFor(model => model.ReferenceNumber,new { data_val = "false" })
@Html.HiddenFor(model => model.Region,new { data_val = "false" })
@Html.HiddenFor(model => model.INDDist,new { data_val = "false" })
@Html.HiddenFor(model => model.LastChangeDate,new { data_val = "false" })
@Html.HiddenFor(model => model.LastChangeOperator,new { data_val = "false" })
@Html.HiddenFor(model => model.EditTaxId,new { data_val = "false" })
@Html.HiddenFor(model => model.ParentId,new { data_val = "false" })
@Html.HiddenFor(model => model.IsSubstat,new { data_val = "false" })
@Html.HiddenFor(model => model.ID,new { data_val = "false" })

渲染HiddenFor部分

<input data-val="false" data-val-date="The field CreatedDate must be a date." id="CreatedDate" name="CreatedDate" type="hidden" value="" />
<input data-val="false" id="CreatedOperator" name="CreatedOperator" type="hidden" value="" />
<input data-val="false" id="Region" name="Region" type="hidden" value="NM-834" />
<input data-val="false" id="INDDist" name="INDDist" type="hidden" value="834" />
<input data-val="false" data-val-date="The field LastChangeDate must be a date." data-val-required="The LastChangeDate field is required." id="LastChangeDate" name="LastChangeDate" type="hidden" value="4/8/2015 10:43:30 AM" />
<input data-val="false" id="LastChangeOperator" name="LastChangeOperator" type="hidden" value="TYPCLS" />
<input data-val="false" data-val-required="The EditTaxId field is required." id="EditTaxId" name="EditTaxId" type="hidden" value="False" />
<input data-val="false" data-val-number="The field ParentId must be a number." id="ParentId" name="ParentId" type="hidden" value="" />
<input data-val="false" data-val-required="The IsSubstat field is required." id="IsSubstat" name="IsSubstat" type="hidden" value="False" />
<input data-val="false" data-val-number="The field ID must be a number." data-val-required="The ID field is required." id="ID" name="ID" type="hidden" value="0" />

调节器

[HttpPost]
    [MonetAuthorize]
    public ActionResult Create(AgentTransmission agenttransmission,bool andAddAgent = false)
    {
    .
    .
    .
        //Determine if this is first POST or not
        if (agenttransmission.ID > 0)
        {
            db.Entry(agenttransmission).State = EntityState.Modified;
        }
        else
        {
            db.AgentTransmission.Add(agenttransmission);
        }
        db.SaveChanges();

        //Send back to view if errors pressent
        if (!String.IsNullOrWhiteSpace(errorMsg))
        {
            return View(agenttransmission);
        }           
    }

编辑

如果我删除HiddenFor帮助器并简单地剪切/粘贴渲染的输入标签,我就能捕获相关的PK值.但是,这有点hacky所以我希望找到一个更优雅的解决方案(如果可能的话)

<input data-val="false" id="ID" name="ID" type="hidden" value="@Model.ID" />