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在下面的代碼MVC4如何知道變量「foo」的類型的類型是IEnumerable的MVC4是如何知道變量
@model IEnumerable<Xrm.Contact>
@{
ViewBag.Title = "Index";
Layout = "~/Views/Shared/_Layout.cshtml";
}
<h2>Index</h2>
@foreach (var c in Model) {
<div>
<span> @Html.DisplayFor(foo => c.FirstName) </span>
<span> @Html.DisplayFor(foo => c.LastName) </span>
</div>
}