[InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first.]
System.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command) +1647630
System.Data.SqlClient.SqlConnection.ValidateConnectionForExecute(String method, SqlCommand command) +91
System.Data.SqlClient.SqlCommand.ValidateCommand(String method, Boolean async) +274
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry) +119
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +65
System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +170
System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +43
System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader() +14
appalto.getListaPartecipantiRaggruppamentoCF(Int32 idavcp, Int32 idavcplotti, Int32 idavcplottipartecipanti) in D:\home\ravennaholdingspa.it\trasparenza.ravennaholdingspa.it\appalto.aspx.vb:137
appalto.getListaPartecipanti(Int32 idavcp, Int32 idavcplotti) in D:\home\ravennaholdingspa.it\trasparenza.ravennaholdingspa.it\appalto.aspx.vb:119
appalto.datiAppalto(DataRow drAvcp) in D:\home\ravennaholdingspa.it\trasparenza.ravennaholdingspa.it\appalto.aspx.vb:46
appalto.Page_Load(Object sender, EventArgs e) in D:\home\ravennaholdingspa.it\trasparenza.ravennaholdingspa.it\appalto.aspx.vb:15
System.EventHandler.Invoke(Object sender, EventArgs e) +0
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693
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