Riga 94:         public override bool IsUserInRole(string roleName)
Riga 95:         {
Riga 96:             return Roles.IsUserInRole(roleName);
Riga 97:         }
Riga 98: 

[ArgumentException: Parametro non corretto. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))]

[TargetInvocationException: Eccezione generata dalla destinazione di una chiamata.]
   System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters) +0
   System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams) +337
   System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfo culture) +36
   System.Web.Security.AuthorizationStoreRoleProvider.CallMethod(Object objectToCallOn, String methodName, Object[] args) +183
   System.Web.Security.AuthorizationStoreRoleProvider.InitApp() +1507
   System.Web.Security.AuthorizationStoreRoleProvider.GetClientContext(String userName) +16
   System.Web.Security.AuthorizationStoreRoleProvider.GetRolesForUserCore(String username) +59
   System.Web.Security.AuthorizationStoreRoleProvider.GetRolesForUser(String username) +72
   System.Web.Security.RolePrincipal.IsInRole(String role) +164
   System.Web.Security.Roles.IsUserInRole(String username, String roleName) +355
   System.Web.Security.Roles.IsUserInRole(String roleName) +19
   Gpv.AuthProvider.GpvAuthProvider.IsUserInRole(String roleName) in C:\TEMP\gpvauthprovider\gpvauthprovider\GpvAuthProvider.cs:96
   Gpv.AuthProvider.AuthService.IsUserInRole(String roleName) in C:\TEMP\gpvauthprovider\gpvauthprovider\AuthService.cs:164
   InformazioniUtente..ctor(String matricola) in c:\TEMP\GestioneTelefoni\GestioneTelefoniSol\GestioneTelefoni\App_Code\InformazioniUtente.cs:110
   _Default.Page_Load(Object sender, EventArgs e) in c:\TEMP\GestioneTelefoni\GestioneTelefoniSol\GestioneTelefoni\Default.aspx.cs:65
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627