[InvalidOperationException: La sequenza non contiene elementi]
System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult) +3121
System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +187
System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +410
System.Data.Linq.DataQuery`1.System.Linq.IQueryProvider.Execute(Expression expression) +48
it.aicarr.data.Convegni.Convegni.GetConvegno(Int32 ConvegnoID) in D:\Lavori\Aicarr\sorgenti\Web\AiCARR_PortaleWeb\it.aicarr.data\Convegni\Convegni.cs:135
it.aicarr.business.Convegni.Convegni.GetConvegnoDetails(Int32 ConvegnoID) in D:\Lavori\Aicarr\sorgenti\Web\AiCARR_PortaleWeb\it.aicarr.business\Convegni\Convegni.cs:19
AICARR.Convegni.Convegni_Dettaglio.Page_Load(Object sender, EventArgs e) in D:\Lavori\Aicarr\sorgenti\Web\AiCARR_PortaleWeb\AICARR\Convegni\Convegni_Dettaglio.aspx.cs:57
System.Web.UI.Control.OnLoad(EventArgs e) +106
it.aicarr.ui.web.BasePage.OnLoad(EventArgs e) in D:\Lavori\Aicarr\sorgenti\Web\AiCARR_PortaleWeb\it.aicarr.ui.web\BasePage.cs:331
System.Web.UI.Control.LoadRecursive() +68
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785
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