Carlos Guzmán Álvarez a écrit :
> Hello:
>> Carlos, I=92ve sent you a test project some time ago to show you a =
> 
>> strange bug I=92ve found.
>>
>> I=92ve sent it to your address at mundo-r. Can you confirm that you =
> 
>> received it and tell me if you where able to reproduce ?
>>
> I think i do , i sent an email to you to see if the error i was getting =
> 
> was the same as syou.
> 
> Is this the error that should happen:
> 
> "Integer overflow. The result of an integer operation caused the most =
> 
> significant bit of the result to carry."
> 
> -- =

Carlos,

I get the following error :

Exception non gérée : System.NullReferenceException: La référence 
d'objet n'est pas définie à une instance d'un objet.
    at 
FirebirdSql.Data.Gds.GdsTransaction.BeginTransaction(TransactionParameterBuffer 
tpb)
    at 
FirebirdSql.Data.Gds.GdsDatabase.BeginTransaction(TransactionParameterBuffer 
tpb)
    at FirebirdSql.Data.Firebird.FbTransaction.BeginTransaction()
    at FirebirdSql.Data.Firebird.FbCommand.Prepare(Boolean returnsSet)
    at 
FirebirdSql.Data.Firebird.FbCommand.ExecuteCommand(CommandBehavior 
behavior, Boolean returnsSet)
    at 
FirebirdSql.Data.Firebird.FbCommand.ExecuteCommand(CommandBehavior behavior)
    at FirebirdSql.Data.Firebird.FbCommand.ExecuteScalar()
    at BugFirebird.CalculStatsFamille.GetDateCaisse(Int32 idCaisse, 
FbCommand cmdDateCaisse) in C:\Essais\Visual 
Studio\BugFirebird\BugFirebird\CalculStatsFamille.cs:line 62
    at 
BugFirebird.CalculStatsFamille.Execute(StatistiqueCaisseCollection 
statistiques) in C:\Essais\Visual 
Studio\BugFirebird\BugFirebird\CalculStatsFamille.cs:line 120
    at BugFirebird.Form1.button1_Click(Object sender, EventArgs e) in 
C:\Essais\Visual Studio\BugFirebird\BugFirebird\Form1.cs:line 122
    at System.Windows.Forms.Control.OnClick(EventArgs e)
    at System.Windows.Forms.Button.OnClick(EventArgs e)
    at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
    at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons 
button, Int32 clicks)
    at System.Windows.Forms.Control.WndProc(Message& m)
    at System.Windows.Forms.ButtonBase.WndProc(Message& m)
    at System.Windows.Forms.Button.WndProc(Message& m)
    at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m)
    at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m)
    at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, 
Int32 msg, IntPtr wparam, IntPtr lparam)
    at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
    at 
System.Windows.Forms.ComponentManager.System.Windows.Forms.UnsafeNativeMethods+IMsoComponentManager.FPushMessageLoop(Int32
 
dLe programme '[4724] BugFirebird.exe' s'est arrêté avec le code 0 (0x0).
wComponentID, Int32 reason, Int32 pvLoopData)
    at System.Windows.Forms.ThreadContext.RunMessageLoopInner(Int32 
reason, ApplicationContext context)
    at System.Windows.Forms.ThreadContext.RunMessageLoop(Int32 reason, 
ApplicationContext context)
    at System.Windows.Forms.Application.Run(Form mainForm)
    at BugFirebird.Form1.Main() in C:\Essais\Visual 
Studio\BugFirebird\BugFirebird\Form1.cs:line 85

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