[InvalidOperationException: 序列包含一个以上的元素]
System.Linq.Enumerable.SingleOrDefault(IEnumerable`1 source) +738964
IOT2018.DAL.PassportDAL.GetCo(Int32 id) +58
IOT2018.BLL.PassportBLL.GetCo(Int32 id) +36
IOTWeb2018.IOTChanel.CompanyHandler.Page_Load(Object sender, EventArgs e) +104
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
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