System.InvalidOperationException: Tentativo non valido di lettura in assenza di dati. in Microsoft.VisualBasic.CompilerServices.Symbols.Container.InvokeMethod(Method TargetProcedure, Object[] Arguments, Boolean[] CopyBack, BindingFlags Flags) in Microsoft.VisualBasic.CompilerServices.NewLateBinding.ObjectLateGet(Object Instance, Type Type, String MemberName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack) in Microsoft.VisualBasic.CompilerServices.NewLateBinding.LateGet(Object Instance, Type Type, String MemberName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack) in PanelSezione.PanelSezione_Load(Object sender, EventArgs e) in C:\Inetpub\vhosts\laboratre.poundhost.com\uomodialtamura.it\PanelSezione.ascx.vb:riga 19 Uomo di Altamura