Puglia nel mondo

System.Reflection.AmbiguousMatchException: Risoluzione dell'overload non riuscita. Nessun elemento 'UCase' pubblico può essere chiamato con questi argomenti: 'Public Shared Function UCase(Value As Char) As Char': Il parametro 'Value' corrispondente all'argomento non può essere convertito da 'DBNull' a 'Char'. 'Public Shared Function UCase(Value As String) As String': Il parametro 'Value' corrispondente all'argomento non può essere convertito da 'DBNull' a 'String'. in Microsoft.VisualBasic.CompilerServices.OverloadResolution.ResolveOverloadedCall(String MethodName, List`1 Candidates, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, BindingFlags LookupFlags, Boolean ReportErrors, ResolutionFailure& Failure) in Microsoft.VisualBasic.CompilerServices.OverloadResolution.ResolveOverloadedCall(String MethodName, MemberInfo[] Members, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, BindingFlags LookupFlags, Boolean ReportErrors, ResolutionFailure& Failure, Container BaseReference) in Microsoft.VisualBasic.CompilerServices.NewLateBinding.ResolveCall(Container BaseReference, String MethodName, MemberInfo[] Members, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, BindingFlags LookupFlags, Boolean ReportErrors, ResolutionFailure& Failure) 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 ASP.index_aspx.MenuLoad(Boolean CaricaSubMenu, Boolean MenuDestro) in D:\inetpub\wwwroot\puglianelmondo.com\menu.aspx:riga 126