[ArgumentNullException: 值不能为 null。
参数名: source]
System.Linq.Enumerable.Select(IEnumerable`1 source, Func`2 selector) +6305578
Search.search.GenerateSubProductAttrsCheckListHTML() in e:\search_v2\src\Search\Search\search.aspx.cs:1115
Search.search.Search(HttpContext httpContext) in e:\search_v2\src\Search\Search\search.aspx.cs:207
Search.search.Page_Load(Object sender, EventArgs e) in e:\search_v2\src\Search\Search\search.aspx.cs:66
System.Web.UI.Control.OnLoad(EventArgs e) +108
System.Web.UI.Control.LoadRecursive() +90
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1607
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