相关疑难解决方法(0)

我有一个必填字段,字符串属性{get; 在一个类中设置}并希望在剃刀中设置它的值.是否有类似以下内容？

@model.attribute = "whatever'

我收到此错误:

错误CS1973:'System.Web.Mvc.HtmlHelper'没有名为'Partial'的适用方法,但似乎有一个名称的扩展方法.无法动态分派扩展方法.考虑转换动态参数或调用扩展方法而不使用扩展方法语法."}

从我在这里读到的Razor View Engine:表达式树可能不包含动态操作,因为它使用的是我正在使用Session的viewbag(？).

这是我的网络表单:

@using SuburbanCustPortal.MiscClasses

@{
    ViewBag.Title = "Account Screen";
 }

<h2>AccountScreen</h2>

<div class="leftdiv">
  <fieldset>
    <legend>Customer Info</legend>
    @Html.Partial("CustomerInfo")
  </fieldset>

  <fieldset>
    <legend>Delivery Address</legend>
    @Html.Partial("DeliveryAddress")
  </fieldset>

  <fieldset>
    <legend>Delivery Info</legend>
    @Html.Partial("DeliveryInfo")
  </fieldset>
</div>

<div class="rightdiv">
  <fieldset> 
    <legend>Balance</legend>
      @Html.Partial("AccountBalance")
  </fieldset>

             @if (SessionHelper.ShowPaymentOptions || SessionHelper.ShowHistory)
             {
               <fieldset>
                 <legend>Account Options</legend>
                 <br/>

                 @using (Html.BeginForm("AccountScreenButton", "Customer", FormMethod.Post))
                 {
                   <div class="sidebysidebuttons">
                     <div class="box">
                       @if (SessionHelper.ShowHistory && SessionHelper.ShowAccountScreenPaymentButton)
                       {
                         <button class="sidebysidebutton1" name="options" value="payment">Make a Payment</button>
                         <button class="sidebysidebutton2" name="options" value="activity">Display Activity</button>
                       }
                       else
                       {
                         if (SessionHelper.ShowAccountScreenPaymentButton) …

我在这里找到了类似的问题: Razor View Engine:表达式树可能不包含动态操作

但我尝试过这些解决方案并没有解决我的问题.我有一个控制器,具有以下内容:

    public ActionResult CreateOrganization(Guid parentOrganizationId)
    {
        Organization organization = new Organization();

        return View(organization);
    }

该视图具有以下内容:

@using Project.Data
@Model Project.Data.Organization

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

<hgroup class="title">
    <h1>@ViewBag.Title.</h1>
    <h2>Use the form below to create a new Organization.</h2>
</hgroup>

<script src="~/Scripts/jquery.validate.min.js"></script>
<script src="~/Scripts/jquery.validate.unobtrusive.min.js"></script>

@using (Html.BeginForm((string)ViewBag.FormAction, "Organization"))
{
    <fieldset>
        <legend>Create Organization</legend>
        <ol>
            <li>
                @Html.LabelFor(m=> m.Name)
                @Html.TextBoxFor(m=> m.Name);
                @Html.ValidationMessageFor(m=> m.Name)
            </li>
        </ol>
        <input type="submit" value="Register" />
    </fieldset>
}

这是明确指定模型(如另一篇文章中所建议的).但是我仍然收到'表达式树可能不包含动态操作'错误.我在某个地方犯过一个愚蠢的错误吗？

我有一个问题,我收到的消息:

\ OrderGas.cshtml(24):错误CS1963:表达式树可能不包含动态操作"}

这是我的网络表单的代码:

@using SuburbanCustPortal.MiscClasses

@{
    ViewBag.Title = "Order Gas";
}

<h2>Order Gas</h2>

        @using (Html.BeginForm("OrderGasSuccess", "GasOrder", FormMethod.Post))
        {
          @Html.ValidationSummary(true, "Submit was unsuccessful. Please correct the errors and try again.")

          <div>
            <fieldset>
              <legend>Account Information - all fields required</legend>

              <div class="highlightedtext">
                @ViewBag.Account
              </div>

              @if (SessionHelper.ShowPaymentOptions)
              {
                <div class="editor-label">
                  @Html.LabelFor(m => m.PaymentMethod)
                </div>
                <div class="editor-field">
                  @Html.DropDownListFor(x => x.PaymentMethod, SessionHelper.PaymentMethods)
                </div>
              }

              <div class="editor-label">
                @Html.LabelFor(m => m.TankPercent)
              </div>
              <div class="editor-field">
                @Html.TextBoxFor(m => m.TankPercent, new { @class = "GenericSmallTextBox" })
                <label class="SmallBluelabel">Please enter the …