There is already an open DataReader associated with this Connection which must be closed first

使用MVC4 EF Linq獲取foreach列表循環的時候遇到了如下的問題：報錯提示

There is already an open DataReader associated with this Connection which must be closed first

解決方法如下紅色所示：

@foreach (var item in Model.ToList())

{

 @Html.ActionLink(@item.user.nickname + "(微信)", "../Mess/MessInfo", new { id = item.id })

}

將Model改成Model.ToList()的就ok了