Question

I have a problem. In my View of a product I have a button to add it to cart which looks like this:

<div>
<% using(Html.BeginForm("AddToCart", "Cart")) {%>
    <%: Html.HiddenFor(x => x.id_produktu) %>
    <%: Html.Hidden("returnUrl", Request.Url.PathAndQuery) %>
    <input type="submit" value="Dodaj do koszyka" />
    <% } %>
    <h4><%: Model.cena_produktu.ToString("c")%></h4>

为此:

<%: Html.Hidden("returnUrl", Request.Url.PathAndQuery) %>

我犯了一个错误:

在以下方法或特性之间,这一呼吁含糊不清: 系统.Web.Mvc.TextInputExtensions.Hidden(System.Web.Mvc.HtmlHelper, string, Object)和系统。 Web.Mvc.Html.InputExtensions.Hidden(System.Web.) 页: 1

如何解决这一问题? 事先感谢你。

Answer 1

三种方式:

完全符合该方法:

System.Web.Mvc.Html.Hidden(Html, "returnUrl", Request.Url.PathAndQuery)

采用不同名称,混淆姓名的静态方法。

public static string TheHiddenIWant(this HtmlHelper helper, string name, object value)
{
    return System.Web.Mvc.Html.Hidden(helper, name, value);
}
Html.TheHiddenIWant("returnUrl", Request.Url.PathAndQuery);

Don t include the reference or using statement for the extension method you don t want. For example, get rid of using System.Web.Mvc.TextInputExtensions, or just get rid of the reference.

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