Si è verificato un errore di rete o specifico dell'istanza mentre si cercava di stabilire una connessione con SQL Server. Il server non è stato trovato o non è accessibile. Verificare che il nome dell'istanza sia corretto e che SQL Server sia configurato in modo da consentire connessioni remote. (provider: TCP Provider, error: 0 - Tempo di attesa scaduto.)
in System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
in System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
in System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
in System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
in System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
in System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
in System.Data.SqlClient.SqlConnection.Open()
in stampa.PDFFooter.TotaleDocumento() in C:\Inetpub\vhosts\napoliweb.org\blazor-document.napoliweb.org\stampa.aspx.vb:riga 1112
in stampa.PDFFooter.CaricamentoDati() in C:\Inetpub\vhosts\napoliweb.org\blazor-document.napoliweb.org\stampa.aspx.vb:riga 1256
in stampa.PDFFooter.OnStartPage(PdfWriter writer, Document document) in C:\Inetpub\vhosts\napoliweb.org\blazor-document.napoliweb.org\stampa.aspx.vb:riga 2110
in iTextSharp.text.pdf.PdfDocument.InitPage()
in iTextSharp.text.Document.Open()
in stampa.LnkStampa_Click() in C:\Inetpub\vhosts\napoliweb.org\blazor-document.napoliweb.org\stampa.aspx.vb:riga 52