ASP. NET MVC错误: 以下方法或特性之间的呼吁含糊不清:
原文：ASP.NET MVC error: The call is ambiguous between the following methods or properties

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 =>...