I am perplexed . I thought it is easy to fix the binding error on
cvtDtFrom. I only used the cvtDtFrom a couple of places but I found out
the error occurred before form loading.
I tried searching in the solution for cvtDtFrom but failed to find the
culprit.
tried using clue from stack trace, searching for DataGridview and
variations of view.datacon... no luck, Even tried searching all files for
the sub main, I failed to find it.
I ended up spending a few hours searching , stepping thru code by arbitrayly
comment out the debug step thru directives.
I must be away from .net too long.
System.Argument Exception was unhandled
Message="Cannot bind to the property or column CvtDtFrom on the
DataSource.\r\n Parameter name: dataMember"
Source="System. Windows.Forms"
ParamName="data Member"
StackTrace:
at System.Windows. Forms.BindToObj ect.CheckBindin g()
at
System.Windows. Forms.BindToObj ect.SetBindingM anagerBase(Bind ingManagerBase
lManager)
at System.Windows. Forms.Binding.S etListManager(B indingManagerBa se
bindingManagerB ase)
at System.Windows. Forms.ListManag erBindingsColle ction.AddCore(B inding
dataBinding)
at System.Windows. Forms.BindingsC ollection.Add(B inding binding)
at System.Windows. Forms.BindingCo ntext.UpdateBin ding(BindingCon text
newBindingConte xt, Binding binding)
at System.Windows. Forms.Control.U pdateBindings()
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs e)
at
System.Windows. Forms.Control.s et_BindingConte xtInternal(Bind ingContext
value)
at
System.Windows. Forms.Container Control.set_Bin dingContext(Bin dingContext
value)
at System.Windows. Forms.Container Control.get_Bin dingContext()
at System.Windows. Forms.Control.g et_BindingConte xtInternal()
at System.Windows. Forms.Control.g et_BindingConte xt()
at System.Windows. Forms.Control.g et_BindingConte xtInternal()
at System.Windows. Forms.Control.g et_BindingConte xt()
at System.Windows. Forms.Control.g et_BindingConte xtInternal()
at System.Windows. Forms.Control.g et_BindingConte xt()
at
System.Windows. Forms.DataGridV iew.DataGridVie wDataConnection .SetDataConnect i
on(Object dataSource, String dataMember)
at
System.Windows. Forms.DataGridV iew.OnBindingCo ntextChanged(Ev entArgs e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs e)
at System.Windows. Forms.Control.C reateControl()
at System.Windows. Forms.Control.S etVisibleCore(B oolean value)
at System.Windows. Forms.TabPage.s et_Visible(Bool ean value)
at System.Windows. Forms.TabContro l.UpdateTabSele ction(Boolean
updateFocus)
at System.Windows. Forms.TabContro l.OnHandleCreat ed(EventArgs e)
at System.Windows. Forms.Control.W mCreate(Message & m)
at System.Windows. Forms.Control.W ndProc(Message& m)
at System.Windows. Forms.TabContro l.WndProc(Messa ge& m)
at
System.Windows. Forms.Control.C ontrolNativeWin dow.OnMessage(M essage& m)
at System.Windows. Forms.Control.C ontrolNativeWin dow.WndProc(Mes sage&
m)
at System.Windows. Forms.NativeWin dow.DebuggableC allback(IntPtr hWnd,
Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows. Forms.UnsafeNat iveMethods.IntC reateWindowEx(I nt32
dwExStyle, String lpszClassName, String lpszWindowName, Int32 style, Int32
x, Int32 y, Int32 width, Int32 height, HandleRef hWndParent, HandleRef
hMenu, HandleRef hInst, Object pvParam)
at System.Windows. Forms.UnsafeNat iveMethods.Crea teWindowEx(Int3 2
dwExStyle, String lpszClassName, String lpszWindowName, Int32 style, Int32
x, Int32 y, Int32 width, Int32 height, HandleRef hWndParent, HandleRef
hMenu, HandleRef hInst, Object pvParam)
at System.Windows. Forms.NativeWin dow.CreateHandl e(CreateParams cp)
at System.Windows. Forms.Control.C reateHandle()
at System.Windows. Forms.TabContro l.CreateHandle( )
at System.Windows. Forms.Control.C reateControl(Bo olean fIgnoreVisible)
at System.Windows. Forms.Control.C reateControl(Bo olean fIgnoreVisible)
at System.Windows. Forms.Control.C reateControl()
at System.Windows. Forms.Control.W mShowWindow(Mes sage& m)
at System.Windows. Forms.Control.W ndProc(Message& m)
at System.Windows. Forms.Scrollabl eControl.WndPro c(Message& m)
at System.Windows. Forms.Container Control.WndProc (Message& m)
at System.Windows. Forms.Form.WmSh owWindow(Messag e& m)
at System.Windows. Forms.Form.WndP roc(Message& m)
at
System.Windows. Forms.Control.C ontrolNativeWin dow.OnMessage(M essage& m)
at System.Windows. Forms.Control.C ontrolNativeWin dow.WndProc(Mes sage&
m)
at System.Windows. Forms.NativeWin dow.DebuggableC allback(IntPtr hWnd,
Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows. Forms.SafeNativ eMethods.ShowWi ndow(HandleRef hWnd,
Int32 nCmdShow)
at System.Windows. Forms.Control.S etVisibleCore(B oolean value)
at System.Windows. Forms.Form.SetV isibleCore(Bool ean value)
at System.Windows. Forms.Control.s et_Visible(Bool ean value)
at
System.Windows. Forms.Applicati on.ThreadContex t.RunMessageLoo pInner(Int32
reason, ApplicationCont ext context)
at
System.Windows. Forms.Applicati on.ThreadContex t.RunMessageLoo p(Int32 reason,
ApplicationCont ext context)
at System.Windows. Forms.Applicati on.Run(Applicat ionContext context)
at
Microsoft.Visua lBasic.Applicat ionServices.Win dowsFormsApplic ationBase.OnRun (
)
at
Microsoft.Visua lBasic.Applicat ionServices.Win dowsFormsApplic ationBase.DoApp l
icationModel()
at
Microsoft.Visua lBasic.Applicat ionServices.Win dowsFormsApplic ationBase.Run(S t
ring[] commandLine)
at RegexTest.My.My Application.Mai n(String[] Args) in
17d14f5c-a337-4978-8281-53493378c1071.v b:line 81
at System.AppDomai n._nExecuteAsse mbly(Assembly assembly, String[]
args)
at System.AppDomai n.ExecuteAssemb ly(String assemblyFile, Evidence
assemblySecurit y, String[] args)
at Microsoft.Visua lStudio.Hosting Process.HostPro c.RunUsersAssem bly()
at System.Threadin g.ThreadHelper. ThreadStart_Con text(Object state)
at System.Threadin g.ExecutionCont ext.Run(Executi onContext
executionContex t, ContextCallback callback, Object state)
at System.Threadin g.ThreadHelper. ThreadStart()
InnerException:
Please tell me what the proper way to find the bug on this application.
your time is much appreciated. thank you.
1  2100 
sorry forgot to say this is an vb 2008 project using sql express 2005 and
..net 3.5
the dataset I used is populated with only 5 tables and views from an
attached mdf file. went thru preview them all without problem.
there are only tow items related to cvtDtFrom. one is the regex table hidden
textbox for cvtDtFrom as one of the regex table column, one is a combobox
box display a list from the foreign key view viewCvtDtFrom. the combobox is
display to allow user to select the proper cvtDtFrom for the regex
"GS" <gs************ **********@msne ws.Nomail.comwr ote in message
news:uH******** ********@TK2MSF TNGP02.phx.gbl. ..
I am perplexed . I thought it is easy to fix the binding error on
cvtDtFrom. I only used the cvtDtFrom a couple of places but I found
out
the error occurred before form loading.
I tried searching in the solution for cvtDtFrom but failed to find the
culprit.
tried using clue from stack trace, searching for DataGridview and
variations of view.datacon... no luck, Even tried searching all files for
the sub main, I failed to find it.
I ended up spending a few hours searching , stepping thru code by
arbitrayly
comment out the debug step thru directives.
I must be away from .net too long.
System.Argument Exception was unhandled
Message="Cannot bind to the property or column CvtDtFrom on the
DataSource.\r\n Parameter name: dataMember"
Source="System. Windows.Forms"
ParamName="data Member"
StackTrace:
at System.Windows. Forms.BindToObj ect.CheckBindin g()
at
System.Windows. Forms.BindToObj ect.SetBindingM anagerBase(Bind ingManagerBase
lManager)
at System.Windows. Forms.Binding.S etListManager(B indingManagerBa se
bindingManagerB ase)
at
System.Windows. Forms.ListManag erBindingsColle ction.AddCore(B inding
dataBinding)
at System.Windows. Forms.BindingsC ollection.Add(B inding binding)
at System.Windows. Forms.BindingCo ntext.UpdateBin ding(BindingCon text
newBindingConte xt, Binding binding)
at System.Windows. Forms.Control.U pdateBindings()
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs
e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs
e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs
e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs
e)
at
System.Windows. Forms.Control.s et_BindingConte xtInternal(Bind ingContext
value)
at
System.Windows. Forms.Container Control.set_Bin dingContext(Bin dingContext
value)
at System.Windows. Forms.Container Control.get_Bin dingContext()
at System.Windows. Forms.Control.g et_BindingConte xtInternal()
at System.Windows. Forms.Control.g et_BindingConte xt()
at System.Windows. Forms.Control.g et_BindingConte xtInternal()
at System.Windows. Forms.Control.g et_BindingConte xt()
at System.Windows. Forms.Control.g et_BindingConte xtInternal()
at System.Windows. Forms.Control.g et_BindingConte xt()
at
System.Windows. Forms.DataGridV iew.DataGridVie wDataConnection .SetDataConnect i
on(Object dataSource, String dataMember)
at
System.Windows. Forms.DataGridV iew.OnBindingCo ntextChanged(Ev entArgs e)
at
System.Windows. Forms.Control.O nParentBindingC ontextChanged(E ventArgs e)
at System.Windows. Forms.Control.O nBindingContext Changed(EventAr gs
e)
at System.Windows. Forms.Control.C reateControl()
at System.Windows. Forms.Control.S etVisibleCore(B oolean value)
at System.Windows. Forms.TabPage.s et_Visible(Bool ean value)
at System.Windows. Forms.TabContro l.UpdateTabSele ction(Boolean
updateFocus)
at System.Windows. Forms.TabContro l.OnHandleCreat ed(EventArgs e)
at System.Windows. Forms.Control.W mCreate(Message & m)
at System.Windows. Forms.Control.W ndProc(Message& m)
at System.Windows. Forms.TabContro l.WndProc(Messa ge& m)
at
System.Windows. Forms.Control.C ontrolNativeWin dow.OnMessage(M essage& m)
at
System.Windows. Forms.Control.C ontrolNativeWin dow.WndProc(Mes sage&
m)
at System.Windows. Forms.NativeWin dow.DebuggableC allback(IntPtr
hWnd,
Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows. Forms.UnsafeNat iveMethods.IntC reateWindowEx(I nt32
dwExStyle, String lpszClassName, String lpszWindowName, Int32 style, Int32
x, Int32 y, Int32 width, Int32 height, HandleRef hWndParent, HandleRef
hMenu, HandleRef hInst, Object pvParam)
at System.Windows. Forms.UnsafeNat iveMethods.Crea teWindowEx(Int3 2
dwExStyle, String lpszClassName, String lpszWindowName, Int32 style, Int32
x, Int32 y, Int32 width, Int32 height, HandleRef hWndParent, HandleRef
hMenu, HandleRef hInst, Object pvParam)
at System.Windows. Forms.NativeWin dow.CreateHandl e(CreateParams cp)
at System.Windows. Forms.Control.C reateHandle()
at System.Windows. Forms.TabContro l.CreateHandle( )
at System.Windows. Forms.Control.C reateControl(Bo olean
fIgnoreVisible)
at System.Windows. Forms.Control.C reateControl(Bo olean
fIgnoreVisible)
at System.Windows. Forms.Control.C reateControl()
at System.Windows. Forms.Control.W mShowWindow(Mes sage& m)
at System.Windows. Forms.Control.W ndProc(Message& m)
at System.Windows. Forms.Scrollabl eControl.WndPro c(Message& m)
at System.Windows. Forms.Container Control.WndProc (Message& m)
at System.Windows. Forms.Form.WmSh owWindow(Messag e& m)
at System.Windows. Forms.Form.WndP roc(Message& m)
at
System.Windows. Forms.Control.C ontrolNativeWin dow.OnMessage(M essage& m)
at
System.Windows. Forms.Control.C ontrolNativeWin dow.WndProc(Mes sage&
m)
at System.Windows. Forms.NativeWin dow.DebuggableC allback(IntPtr
hWnd,
Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows. Forms.SafeNativ eMethods.ShowWi ndow(HandleRef
hWnd,
Int32 nCmdShow)
at System.Windows. Forms.Control.S etVisibleCore(B oolean value)
at System.Windows. Forms.Form.SetV isibleCore(Bool ean value)
at System.Windows. Forms.Control.s et_Visible(Bool ean value)
at
System.Windows. Forms.Applicati on.ThreadContex t.RunMessageLoo pInner(Int32
reason, ApplicationCont ext context)
at
System.Windows. Forms.Applicati on.ThreadContex t.RunMessageLoo p(Int32
reason,
ApplicationCont ext context)
at System.Windows. Forms.Applicati on.Run(Applicat ionContext context)
at
Microsoft.Visua lBasic.Applicat ionServices.Win dowsFormsApplic ationBase.OnRun (
)
at
Microsoft.Visua lBasic.Applicat ionServices.Win dowsFormsApplic ationBase.DoApp l
icationModel()
at
Microsoft.Visua lBasic.Applicat ionServices.Win dowsFormsApplic ationBase.Run(S t
ring[] commandLine)
at RegexTest.My.My Application.Mai n(String[] Args) in
17d14f5c-a337-4978-8281-53493378c1071.v b:line 81
at System.AppDomai n._nExecuteAsse mbly(Assembly assembly, String[]
args)
at System.AppDomai n.ExecuteAssemb ly(String assemblyFile, Evidence
assemblySecurit y, String[] args)
at
Microsoft.Visua lStudio.Hosting Process.HostPro c.RunUsersAssem bly()
at System.Threadin g.ThreadHelper. ThreadStart_Con text(Object state)
at System.Threadin g.ExecutionCont ext.Run(Executi onContext
executionContex t, ContextCallback callback, Object state)
at System.Threadin g.ThreadHelper. ThreadStart()
InnerException:
Please tell me what the proper way to find the bug on this application.
your time is much appreciated. thank you.
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