C# MVC Ajax 模式验证 - 500 内部服务器错误

Question

我不太确定为什么这不起作用，我在项目的不同部分有完全相同的东西，我得到一个“POST”500（内部服务器错误）我只是只是试图获得@using (Ajax.BeginForm( 验证以在模态上工作。就像我说的那样，我在项目的不同部分工作并且它有效。我的模态成功填充但是当我单击提交时按钮我得到上面的错误。在我看来，模态和模态的控件我都有

HtmlHelper.UnobtrusiveJavaScriptEnabled = true;

我的代码中包含所有这些库。

这是脚本部分

<script src="/Scripts/jquery-3.3.1.js"></script>
<script src="/Scripts/jquery-ui-1.12.1.js"></script>
<script src="/Scripts/jquery.unobtrusive-ajax.js"></script>
<script src="/Scripts/jquery.validate.js"></script>
<script src="/Scripts/jquery.validate.unobtrusive.js"></script>
<script src="/Scripts/bootstrap.js"></script>
<script src="/Scripts/respond.js"></script>

@using (Ajax.BeginForm("PartNumberUpdate", "Parts", new AjaxOptions() { HttpMethod = "POST", UpdateTargetId = "PartNumControls", OnSuccess = "ajaxPartUpdate" }))
{
    <div class="modal" id="modalPNUpdate" tabindex="-1" role="dialog" aria-labelledby="lblPNUpdate" aria-hidden="true">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <h3 class="modal-title">Part Number Details</h3>
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <div class="modal-body" id="PartNumControls">
                    @Html.Partial("PNControls")
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-danger" data-dismiss="modal">Close</button>
                    <input type="submit" class="btn btn-primary" value="Save" />
                </div>
            </div>
        </div>
    </div>
}

这是控制器代码

        [HttpPost]
        [ValidateAntiForgeryToken]
        [HandleError]
        public ActionResult PartNumberUpdate(FindPartModel model)
        {
            if (ModelState.IsValid)
            {
                var partNumber = context.PartNumbers.Where(x => x.PartNumber1 == model.PartVM.PartNumber).FirstOrDefault();
                partNumber.PartNumber1 = model.PartVM.PartNumber;

                /// UPDATE PartNumber Record
                context.Entry(partNumber).State = EntityState.Modified;
                context.SaveChanges();
                string returnStr = "refresh";
                ModelState.Clear();
                return Json(returnStr);
            }
            return PartialView("PNControls", model);
        }

        public ActionResult PNControls()
        {
            return View(new FindPartModel());
        }

已添加 - 这是部分视图 'PNControls'

@model Messer_PartNumbers.Models.FindPartModel
@{ 
    HtmlHelper.UnobtrusiveJavaScriptEnabled = true;
}

@Html.AntiForgeryToken()

<span class="alert-danger">
    @Html.ValidationSummary(true, "", new { @class="text-danger" })
</span>

@Html.HiddenFor(x => x.PartVM.PartID)
@Html.HiddenFor(x => x.PartVM.PartGroup)
@Html.HiddenFor(x => x.PartVM.GlobalPart)
@Html.HiddenFor(x => x.PartVM.Released)

<div class="form-group">
    @Html.LabelFor(x =>x.PartVM.PartNumber, htmlAttributes: new { @class="control-label col-3" })
    <div class="col-9">
        @Html.TextBoxFor(x => x.PartVM.PartNumber, new { @class="form-control", @readonly="readonly" })
        @Html.ValidationMessageFor(x => x.PartVM.PartNumber, "", new { @class="text-danger" })
    </div>
</div>
<div class="form-group">
    @Html.LabelFor(x => x.PartVM.EnteredBy, htmlAttributes: new { @class = "control-label col-3" })
    <div class="col-9">
        @*@Html.TextBoxFor(x => x.PartVM.EnteredBy, new { @class="form-control" })*@
        @Html.DropDownListFor(x=>x.PartVM.EnteredBy, Model.PNEnteredByOptions, new { @class="form-control"})
        @Html.ValidationMessageFor(x => x.PartVM.EnteredBy, "", new { @class = "text-danger" })
    </div>
</div>
<div class="form-group">
    @Html.LabelFor(x => x.PartVM.DateEntered, htmlAttributes: new { @class = "control-label col-3" })
    <div class="col-9">
        @Html.TextBoxFor(x => x.PartVM.DateEntered, new { @class = "form-control", @readonly = "readonly" })
        @Html.ValidationMessageFor(x => x.PartVM.DateEntered, "", new { @class = "text-danger" })
    </div>
</div>
<div class="form-group">
    @Html.LabelFor(x => x.PartVM.MachineTypes, htmlAttributes: new { @class = "control-label col-3" })
    <small>Hold Ctrl to select multiples</small>
    <div class="col-9">
        @*@Html.TextBoxFor(x => x.PartVM.MachineTypes, new { @class = "form-control" })*@
        @Html.ListBoxFor(x => x.PartVM.MachineTypes, Model.PNMachineTypeOptions, new { @class = "form-control", @size = 5, @style = "overflow:scroll;" })
        @Html.ValidationMessageFor(x => x.PartVM.MachineTypes, "", new { @class = "text-danger" })
    </div>
</div>

<div class="form-group">
    @Html.LabelFor(x => x.PartVM.Description, htmlAttributes: new { @class="control-label col-3" })
    <div class="col-9">
        @Html.TextBoxFor(x => x.PartVM.Description, new { @class="form-control" })
        @Html.ValidationMessageFor(x => x.PartVM.Description, "", new { @class="text-danger" })
    </div>
</div>

Answer 1

    [HttpPost]
    [ValidateAntiForgeryToken]
    [HandleError]
    public ActionResult PartNumberUpdate(FindPartModel model){/*skip*/}

您在操作的基础上添加了 [ValidateAntiForgeryToken]。

但是您没有 @Html.AntiForgeryToken() 在您的视图中。

@using (Ajax.BeginForm("PartNumberUpdate", "Parts", new AjaxOptions() { HttpMethod = "POST", UpdateTargetId = "PartNumControls", OnSuccess = "ajaxPartUpdate" })){
    @Html.AntiForgeryToken() //Add me
    //skip
}

Answer 2

我发现了我的错误。

这是对我的模型的自定义验证。正在使用其他型号。

谢谢@！我最终通过使用网络选项卡并在 'All' 中查看堆栈跟踪来找出更详细的错误。 post 让我产生了在开发人员工具网络选项卡中使用堆栈跟踪的想法。 500 Internal Server Error in ASP.NET MVC

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asp.net-mvc

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