Hello
I try declare
Dim db as New BtDatabase()
and execute metod
db.open(par1,par2,par3)
but i get error :
System.NullReferenceException was unhandled
Message="Object reference not set to an instance of an object."
Source="Microsoft.VisualBasic"
StackTrace:
at
Microsoft.VisualBasic.CompilerServices.LateBinding .InternalLateCall(Object
o, Type objType, String name, Object[] args, String[] paramnames,
Boolean[] CopyBack, Boolean IgnoreReturn)
at
Microsoft.VisualBasic.CompilerServices.NewLateBind ing.LateCall(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean
IgnoreReturn)
at ForteWB.WczytywanieWyciagu.WczytywanieWyciagu_Load (Object
sender, EventArgs e) in C:\Documents and Settings\Marcin\Moje dokumenty
\Visual Studio 2005\Projects\ForteWB\ForteWB
\WczytywanieWyciagu.vb:line 210
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean
fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Mes sage& m)
at System.Windows.Forms.ContainerControl.WndProc(Mess age& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.O nMessage(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.W ndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallba ck(IntPtr
hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at
System.Windows.Forms.UnsafeNativeMethods.SendMessa ge(HandleRef hWnd,
Int32 msg, Int32 wParam, Int32 lParam)
at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
at System.Windows.Forms.Control.set_Visible(Boolean value)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoopInner(Int32
reason, ApplicationContext context)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoop(Int32
reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(ApplicationCo ntext
context)
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.OnRun()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.DoApplicationModel()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.Run(String[]
commandLine)
at ForteWB.My.MyApplication.Main(String[] Args) in 17d14f5c-
a337-4978-8281-53493378c1071.vb:line 81
at System.AppDomain.nExecuteAssembly(Assembly assembly,
String[] args)
at System.Runtime.Hosting.ManifestRunner.Run(Boolean
checkAptModel)
at System.Runtime.Hosting.ManifestRunner.ExecuteAsAss embly()
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContext
activationContext, String[] activationCustomData)
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContext
activationContext)
at
Microsoft.VisualStudio.HostingProcess.HostProc.Run UsersAssemblyDebugInZone()
at System.Threading.ThreadHelper.ThreadStart_Context( Object
state)
at System.Threading.ExecutionContext.Run(ExecutionCon text
executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
Why i can't execute metod open on object db??
Marcin
5  1711 
Hi Marcin,
Probably in par1, par2, par3 has an object to be instanced what is not done.
However for not AdoNet databases the newsgroup
micorosoft.public.ado.data is probably much better,
Cor
"Martinez" <ma******@szczecinek.net.plschreef in bericht
news:11**********************@y80g2000hsf.googlegr oups.com...
Hello
I try declare
Dim db as New BtDatabase()
and execute metod
db.open(par1,par2,par3)
but i get error :
System.NullReferenceException was unhandled
Message="Object reference not set to an instance of an object."
Source="Microsoft.VisualBasic"
StackTrace:
at
Microsoft.VisualBasic.CompilerServices.LateBinding .InternalLateCall(Object
o, Type objType, String name, Object[] args, String[] paramnames,
Boolean[] CopyBack, Boolean IgnoreReturn)
at
Microsoft.VisualBasic.CompilerServices.NewLateBind ing.LateCall(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean
IgnoreReturn)
at ForteWB.WczytywanieWyciagu.WczytywanieWyciagu_Load (Object
sender, EventArgs e) in C:\Documents and Settings\Marcin\Moje dokumenty
\Visual Studio 2005\Projects\ForteWB\ForteWB
\WczytywanieWyciagu.vb:line 210
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean
fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Mes sage& m)
at System.Windows.Forms.ContainerControl.WndProc(Mess age& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.O nMessage(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.W ndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallba ck(IntPtr
hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at
System.Windows.Forms.UnsafeNativeMethods.SendMessa ge(HandleRef hWnd,
Int32 msg, Int32 wParam, Int32 lParam)
at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
at System.Windows.Forms.Control.set_Visible(Boolean value)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoopInner(Int32
reason, ApplicationContext context)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoop(Int32
reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(ApplicationCo ntext
context)
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.OnRun()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.DoApplicationModel()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.Run(String[]
commandLine)
at ForteWB.My.MyApplication.Main(String[] Args) in 17d14f5c-
a337-4978-8281-53493378c1071.vb:line 81
at System.AppDomain.nExecuteAssembly(Assembly assembly,
String[] args)
at System.Runtime.Hosting.ManifestRunner.Run(Boolean
checkAptModel)
at System.Runtime.Hosting.ManifestRunner.ExecuteAsAss embly()
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContext
activationContext, String[] activationCustomData)
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContext
activationContext)
at
Microsoft.VisualStudio.HostingProcess.HostProc.Run UsersAssemblyDebugInZone()
at System.Threading.ThreadHelper.ThreadStart_Context( Object
state)
at System.Threading.ExecutionContext.Run(ExecutionCon text
executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
Why i can't execute metod open on object db??
Marcin
On 30 Kwi, 06:12, "Cor Ligthert [MVP]" <notmyfirstn...@planet.nl>
wrote:
Hi Marcin,
Probably in par1, par2, par3 has an object to be instanced what is not done.
However for not AdoNet databases the newsgroup
micorosoft.public.ado.data is probably much better,
Cor
"Martinez" <marti...@szczecinek.net.plschreef in berichtnews:1177877720..09***********@y80g2000hsf. googlegroups.com...
Hello
I try declare
Dim db as New BtDatabase()
and execute metod
db.open(par1,par2,par3)
but i get error :
System.NullReferenceException was unhandled
Message="Object reference not set to an instance of an object."
Source="Microsoft.VisualBasic"
StackTrace:
at
Microsoft.VisualBasic.CompilerServices.LateBinding .InternalLateCall(Object
o, Type objType, String name, Object[] args, String[] paramnames,
Boolean[] CopyBack, Boolean IgnoreReturn)
at
Microsoft.VisualBasic.CompilerServices.NewLateBind ing.LateCall(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean
IgnoreReturn)
at ForteWB.WczytywanieWyciagu.WczytywanieWyciagu_Load (Object
sender, EventArgs e) in C:\Documents and Settings\Marcin\Moje dokumenty
\Visual Studio 2005\Projects\ForteWB\ForteWB
\WczytywanieWyciagu.vb:line 210
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean
fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Mes sage& m)
at System.Windows.Forms.ContainerControl.WndProc(Mess age& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.O nMessage(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.W ndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallba ck(IntPtr
hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at
System.Windows.Forms.UnsafeNativeMethods.SendMessa ge(HandleRef hWnd,
Int32 msg, Int32 wParam, Int32 lParam)
at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
at System.Windows.Forms.Control.set_Visible(Boolean value)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoopInner(Int32
reason, ApplicationContext context)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoop(Int32
reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(ApplicationCo ntext
context)
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.OnRun*()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.DoApp*licationModel()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.Run(S*tring[]
commandLine)
at ForteWB.My.MyApplication.Main(String[] Args) in 17d14f5c-
a337-4978-8281-53493378c1071.vb:line 81
at System.AppDomain.nExecuteAssembly(Assembly assembly,
String[] args)
at System.Runtime.Hosting.ManifestRunner.Run(Boolean
checkAptModel)
at System.Runtime.Hosting.ManifestRunner.ExecuteAsAss embly()
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContex*t
activationContext, String[] activationCustomData)
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContex*t
activationContext)
at
Microsoft.VisualStudio.HostingProcess.HostProc.Run UsersAssemblyDebugInZone(*)
at System.Threading.ThreadHelper.ThreadStart_Context( Object
state)
at System.Threading.ExecutionContext.Run(ExecutionCon text
executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
Why i can't execute metod open on object db??
Marcin- Ukryj cytowany tekst -
- Poka¿ cytowany tekst -
Ok, but par1,par2,par3 is string.
par1="Driver=...;Server=...;Database=...;"
par2="user"
par3="password"
I add db to watch and od i
Martinez,
I have the idea that the problem as nothing to do with the commands
Dim db as New BtDatabase()
db.open(par1,par2,par3)
Can you outcomment them and run again?
Cor
"Martinez" <ma******@szczecinek.net.plschreef in bericht
news:11**********************@y80g2000hsf.googlegr oups.com...
On 30 Kwi, 06:12, "Cor Ligthert [MVP]" <notmyfirstn...@planet.nl>
wrote:
Hi Marcin,
Probably in par1, par2, par3 has an object to be instanced what is not
done.
However for not AdoNet databases the newsgroup
micorosoft.public.ado.data is probably much better,
Cor
"Martinez" <marti...@szczecinek.net.plschreef in
berichtnews:11**********************@y80g2000hsf.g ooglegroups.com...
Hello
I try declare
Dim db as New BtDatabase()
and execute metod
db.open(par1,par2,par3)
but i get error :
System.NullReferenceException was unhandled
Message="Object reference not set to an instance of an object."
Source="Microsoft.VisualBasic"
StackTrace:
at
Microsoft.VisualBasic.CompilerServices.LateBinding .InternalLateCall(Object
o, Type objType, String name, Object[] args, String[] paramnames,
Boolean[] CopyBack, Boolean IgnoreReturn)
at
Microsoft.VisualBasic.CompilerServices.NewLateBind ing.LateCall(Object
Instance, Type Type, String MemberName, Object[] Arguments, String[]
ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean
IgnoreReturn)
at ForteWB.WczytywanieWyciagu.WczytywanieWyciagu_Load (Object
sender, EventArgs e) in C:\Documents and Settings\Marcin\Moje dokumenty
\Visual Studio 2005\Projects\ForteWB\ForteWB
\WczytywanieWyciagu.vb:line 210
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean
fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Mes sage& m)
at System.Windows.Forms.ContainerControl.WndProc(Mess age& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.O nMessage(Message& m)
at
System.Windows.Forms.Control.ControlNativeWindow.W ndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallba ck(IntPtr
hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at
System.Windows.Forms.UnsafeNativeMethods.SendMessa ge(HandleRef hWnd,
Int32 msg, Int32 wParam, Int32 lParam)
at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
at System.Windows.Forms.Control.set_Visible(Boolean value)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoopInner(Int32
reason, ApplicationContext context)
at
System.Windows.Forms.Application.ThreadContext.Run MessageLoop(Int32
reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(ApplicationCo ntext
context)
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.OnRun*()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.DoApp*licationModel()
at
Microsoft.VisualBasic.ApplicationServices.WindowsF ormsApplicationBase.Run(S*tring[]
commandLine)
at ForteWB.My.MyApplication.Main(String[] Args) in 17d14f5c-
a337-4978-8281-53493378c1071.vb:line 81
at System.AppDomain.nExecuteAssembly(Assembly assembly,
String[] args)
at System.Runtime.Hosting.ManifestRunner.Run(Boolean
checkAptModel)
at System.Runtime.Hosting.ManifestRunner.ExecuteAsAss embly()
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContex*t
activationContext, String[] activationCustomData)
at
System.Runtime.Hosting.ApplicationActivator.Create Instance(ActivationContex*t
activationContext)
at
Microsoft.VisualStudio.HostingProcess.HostProc.Run UsersAssemblyDebugInZone(*)
at System.Threading.ThreadHelper.ThreadStart_Context( Object
state)
at System.Threading.ExecutionContext.Run(ExecutionCon text
executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
Why i can't execute metod open on object db??
Marcin- Ukryj cytowany tekst -
- Poka¿ cytowany tekst -
Ok, but par1,par2,par3 is string.
par1="Driver=...;Server=...;Database=...;"
par2="user"
par3="password"
I add db to watch and od i
On 30 Kwi, 10:21, "Cor Ligthert [MVP]" <notmyfirstn...@planet.nl>
wrote:
Martinez,
I have the idea that the problem as nothing to do with the commands
Dim db as New BtDatabase()
db.open(par1,par2,par3)
Can you outcomment them and run again?
Cor
I don't understand, can you explain me that ??
Marcin
-Dim db as New BtDatabase()
-db.open(par1,par2,par3)
"Martinez" <ma******@szczecinek.net.plschreef in bericht
news:11**********************@q75g2000hsh.googlegr oups.com...
On 30 Kwi, 10:21, "Cor Ligthert [MVP]" <notmyfirstn...@planet.nl>
wrote:
>Martinez,
I have the idea that the problem as nothing to do with the commands
Dim db as New BtDatabase()
db.open(par1,par2,par3)
Can you outcomment them and run again?
Cor
I don't understand, can you explain me that ??
Marcin
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