[InvalidOperationException: 序列不包含任何元素]
System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult) +1188
System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +118
System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +342
System.Data.Linq.DataQuery`1.System.Linq.IQueryProvider.Execute(Expression expression) +58
System.Linq.Queryable.First(IQueryable`1 source) +251
ASP._Page_home_show_cshtml.Execute() in f:\usr\localuser\qxw1193260098\home\show.cshtml:11
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +199
System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +69
System.Web.WebPages.WebPage.ExecutePageHierarchy() +131
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +78
System.Web.WebPages.WebPageHttpHandler.ProcessRequestInternal(HttpContextBase httpContext) +116
|