"lhak" <hak1lin@swiftdsl.com.au> wrote in message
news:%23dhPrBbrEHA.644@tk2msftngp13.phx.gbl...
> Hi,
> Hope someone can help me with this problem. I've written a Serviced
> Component (VB.Net), signed it with a strong name (using SN.exe) and
> registered it with the COM+ Catalog and added it to the GAC successfully.
> I
> could see the component thru the Administrative Tools - Component Services
> etc.
>
> I wrote a windows app to instantiate the component but when the client app
> tries to instantiate the component, an exception message of "Access
> Denied"
> is displayed.
>
> Can anyone tell how to fix this?. Below are my codes and exception
> messages:
>
> Thanks in advance.
> LH
>
>
> ****Start - My Client Application codes****
>
> Private nsc As NorthwindSC
> Private Sub NorthwindSCGreedyClient_Load(ByVal sender As System.Object,
> ByVal e As System.EventArgs) Handles MyBase.Load
> nsc = New NorthwindSC <==== Error occurs here.
> End Sub
> Private Sub btnUpdate_Click(ByVal sender As Object, ByVal e As
> System.EventArgs) Handles btnUpdate.Click
> Try
> Dim intRows As Integer = nsc.UpdateData(CType(dgResults.DataSource,
> DataSet))
> MessageBox.Show(String.Format("{0} row(s) updated successfully", intRows),
> "
> row(s) updated", MessageBoxButtons.OK, MessageBoxIcon.Information)
> dgResults.DataSource = nsc.ExecuteQuery(txtQuery.Text)
> dgResults.DataMember = "Results"
> Catch ex As Exception
> MessageBox.Show(ex.Message, "Update Failed", MessageBoxButtons.OK,
> MessageBoxIcon.Error)
> End Try
> End Sub
> Private Sub btnExecute_Click(ByVal sender As Object, ByVal e As
> System.EventArgs) Handles btnExecute.Click
> Try
> dgResults.DataSource = nsc.ExecuteQuery(txtQuery.Text)
> dgResults.DataMember = "Results"
> Catch ex As Exception
> MessageBox.Show(ex.Message, "Invalid Query", MessageBoxButtons.OK,
> MessageBoxIcon.Error)
> End Try
> End Sub
> *** End - My Client Application codes***
> ***Start - Exception Messages***
>
> System.UnauthorizedAccessException: Access is denied.
> at System.Runtime.InteropServices.Marshal.ThrowExceptionForHR(Int32
> errorCode, IntPtr errorInfo)
> at System.EnterpriseServices.Thunk.Proxy.CoCreateObject(Type serverType,
> Boolean bQuerySCInfo, Boolean& bIsAnotherProcess, String& uri)
> at
> System.EnterpriseServices.ServicedComponentProxyAttribute.CreateInstance(Typ
> e serverType)
> at
> System.Runtime.Remoting.Activation.ActivationServices.IsCurrentContextOK(Typ
> e serverType, Object[] props, Boolean bNewObj)
> at
> StepByStep7_9.NorthwindSCGreedyClient.NorthwindSCGreedyClient_Load(Object
> sender, EventArgs e) in
> D:\CSU\ITI563\Ch07\310C07\StepByStep7_9\NorthwindSCGreedyClient.vb:line
> 122
> 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(Message& m)
> at System.Windows.Forms.ContainerControl.WndProc(Message& m)
> at System.Windows.Forms.Form.WmShowWindow(Message& m)
> at System.Windows.Forms.Form.WndProc(Message& m)
> at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m)
> at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m)
> at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg,
> IntPtr wparam, IntPtr lparam)
>
>
> ************** Loaded Assemblies **************
> mscorlib
> Assembly Version: 1.0.5000.0
> Win32 Version: 1.1.4322.573
> CodeBase:
> file:///c:/windows/microsoft.net/framework/v1.1.4322/mscorlib.dll
> ----------------------------------------
> StepByStep7_9
> Assembly Version: 1.0.1743.22343
> Win32 Version: 1.0.1743.22343
> CodeBase:
> file:///D:/CSU/ITI563/Ch07/310C07/StepByStep7_9/bin/StepByStep7_9.exe
> ----------------------------------------
> System.Windows.Forms
> Assembly Version: 1.0.5000.0
> Win32 Version: 1.1.4322.573
> CodeBase:
> file:///c:/windows/assembly/gac/system.windows.forms/1.0.5000.0__b77a5c56193
> 4e089/system.windows.forms.dll
> ----------------------------------------
> System
> Assembly Version: 1.0.5000.0
> Win32 Version: 1.1.4322.573
> CodeBase:
> file:///c:/windows/assembly/gac/system/1.0.5000.0__b77a5c561934e089/system.d
> ll
> ----------------------------------------
> System.Drawing
> Assembly Version: 1.0.5000.0
> Win32 Version: 1.1.4322.573
> CodeBase:
> file:///c:/windows/assembly/gac/system.drawing/1.0.5000.0__b03f5f7f11d50a3a/
> system.drawing.dll
> ----------------------------------------
> System.Xml
> Assembly Version: 1.0.5000.0
> Win32 Version: 1.1.4322.573
> CodeBase:
> file:///c:/windows/assembly/gac/system.xml/1.0.5000.0__b77a5c561934e089/syst
> em.xml.dll
> ----------------------------------------
> StepByStep7_8
> Assembly Version: 1.0.0.0
> Win32 Version: 1.0.0.0
> CodeBase:
> file:///c:/windows/assembly/gac/stepbystep7_8/1.0.0.0__cc6409be549f8706/step
> bystep7_8.dll
> ----------------------------------------
> System.EnterpriseServices
> Assembly Version: 1.0.5000.0
> Win32 Version: 1.1.4322.573
> CodeBase:
> file:///c:/windows/assembly/gac/system.enterpriseservices/1.0.5000.0__b03f5f
> 7f11d50a3a/system.enterpriseservices.dll
> ----------------------------------------
>
> ************** JIT Debugging **************
> To enable just in time (JIT) debugging, the config file for this
> application or machine (machine.config) must have the
> jitDebugging value set in the system.windows.forms section.
> The application must also be compiled with debugging
> enabled.
>
> For example:
>
> <configuration>
> <system.windows.forms jitDebugging="true" />
> </configuration>
>
> When JIT debugging is enabled, any unhandled exception
> will be sent to the JIT debugger registered on the machine
> rather than being handled by this dialog.
> ****End - Exception Messages****
>
>

"Frank Mamone" <frankmnospam@canada.com> wrote in message
news:OOyRGTtrEHA.868@TK2MSFTNGP10.phx.gbl...
>I ran into this too. I went into the COM+ Catalog in the properties of the
>component. In the Security Tab you will find a checkbox to "Enforce access
>checks..." I unchecked it and it worked.
>
> It is kind of strange as in other SC's they work with the setting
> enforced.
>
> - Frank
>
>
> "lhak" <hak1lin@swiftdsl.com.au> wrote in message
> news:%23dhPrBbrEHA.644@tk2msftngp13.phx.gbl...
>> Hi,
>> Hope someone can help me with this problem. I've written a Serviced
>> Component (VB.Net), signed it with a strong name (using SN.exe) and
>> registered it with the COM+ Catalog and added it to the GAC successfully.
>> I
>> could see the component thru the Administrative Tools - Component
>> Services
>> etc.
>>
>> I wrote a windows app to instantiate the component but when the client
>> app
>> tries to instantiate the component, an exception message of "Access
>> Denied"
>> is displayed.
>>
>> Can anyone tell how to fix this?. Below are my codes and exception
>> messages:
>>
>> Thanks in advance.
>> LH
>>
>>
>> ****Start - My Client Application codes****
>>
>> Private nsc As NorthwindSC
>> Private Sub NorthwindSCGreedyClient_Load(ByVal sender As System.Object,
>> ByVal e As System.EventArgs) Handles MyBase.Load
>> nsc = New NorthwindSC <==== Error occurs here.
>> End Sub
>> Private Sub btnUpdate_Click(ByVal sender As Object, ByVal e As
>> System.EventArgs) Handles btnUpdate.Click
>> Try
>> Dim intRows As Integer = nsc.UpdateData(CType(dgResults.DataSource,
>> DataSet))
>> MessageBox.Show(String.Format("{0} row(s) updated successfully",
>> intRows), "
>> row(s) updated", MessageBoxButtons.OK, MessageBoxIcon.Information)
>> dgResults.DataSource = nsc.ExecuteQuery(txtQuery.Text)
>> dgResults.DataMember = "Results"
>> Catch ex As Exception
>> MessageBox.Show(ex.Message, "Update Failed", MessageBoxButtons.OK,
>> MessageBoxIcon.Error)
>> End Try
>> End Sub
>> Private Sub btnExecute_Click(ByVal sender As Object, ByVal e As
>> System.EventArgs) Handles btnExecute.Click
>> Try
>> dgResults.DataSource = nsc.ExecuteQuery(txtQuery.Text)
>> dgResults.DataMember = "Results"
>> Catch ex As Exception
>> MessageBox.Show(ex.Message, "Invalid Query", MessageBoxButtons.OK,
>> MessageBoxIcon.Error)
>> End Try
>> End Sub
>> *** End - My Client Application codes***
>> ***Start - Exception Messages***
>>
>> System.UnauthorizedAccessException: Access is denied.
>> at System.Runtime.InteropServices.Marshal.ThrowExceptionForHR(Int32
>> errorCode, IntPtr errorInfo)
>> at System.EnterpriseServices.Thunk.Proxy.CoCreateObject(Type
>> serverType,
>> Boolean bQuerySCInfo, Boolean& bIsAnotherProcess, String& uri)
>> at
>> System.EnterpriseServices.ServicedComponentProxyAttribute.CreateInstance(Typ
>> e serverType)
>> at
>> System.Runtime.Remoting.Activation.ActivationServices.IsCurrentContextOK(Typ
>> e serverType, Object[] props, Boolean bNewObj)
>> at
>> StepByStep7_9.NorthwindSCGreedyClient.NorthwindSCGreedyClient_Load(Object
>> sender, EventArgs e) in
>> D:\CSU\ITI563\Ch07\310C07\StepByStep7_9\NorthwindSCGreedyClient.vb:line
>> 122
>> 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(Message& m)
>> at System.Windows.Forms.ContainerControl.WndProc(Message& m)
>> at System.Windows.Forms.Form.WmShowWindow(Message& m)
>> at System.Windows.Forms.Form.WndProc(Message& m)
>> at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m)
>> at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m)
>> at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg,
>> IntPtr wparam, IntPtr lparam)
>>
>>
>> ************** Loaded Assemblies **************
>> mscorlib
>> Assembly Version: 1.0.5000.0
>> Win32 Version: 1.1.4322.573
>> CodeBase:
>> file:///c:/windows/microsoft.net/framework/v1.1.4322/mscorlib.dll
>> ----------------------------------------
>> StepByStep7_9
>> Assembly Version: 1.0.1743.22343
>> Win32 Version: 1.0.1743.22343
>> CodeBase:
>> file:///D:/CSU/ITI563/Ch07/310C07/StepByStep7_9/bin/StepByStep7_9.exe
>> ----------------------------------------
>> System.Windows.Forms
>> Assembly Version: 1.0.5000.0
>> Win32 Version: 1.1.4322.573
>> CodeBase:
>> file:///c:/windows/assembly/gac/system.windows.forms/1.0.5000.0__b77a5c56193
>> 4e089/system.windows.forms.dll
>> ----------------------------------------
>> System
>> Assembly Version: 1.0.5000.0
>> Win32 Version: 1.1.4322.573
>> CodeBase:
>> file:///c:/windows/assembly/gac/system/1.0.5000.0__b77a5c561934e089/system.d
>> ll
>> ----------------------------------------
>> System.Drawing
>> Assembly Version: 1.0.5000.0
>> Win32 Version: 1.1.4322.573
>> CodeBase:
>> file:///c:/windows/assembly/gac/system.drawing/1.0.5000.0__b03f5f7f11d50a3a/
>> system.drawing.dll
>> ----------------------------------------
>> System.Xml
>> Assembly Version: 1.0.5000.0
>> Win32 Version: 1.1.4322.573
>> CodeBase:
>> file:///c:/windows/assembly/gac/system.xml/1.0.5000.0__b77a5c561934e089/syst
>> em.xml.dll
>> ----------------------------------------
>> StepByStep7_8
>> Assembly Version: 1.0.0.0
>> Win32 Version: 1.0.0.0
>> CodeBase:
>> file:///c:/windows/assembly/gac/stepbystep7_8/1.0.0.0__cc6409be549f8706/step
>> bystep7_8.dll
>> ----------------------------------------
>> System.EnterpriseServices
>> Assembly Version: 1.0.5000.0
>> Win32 Version: 1.1.4322.573
>> CodeBase:
>> file:///c:/windows/assembly/gac/system.enterpriseservices/1.0.5000.0__b03f5f
>> 7f11d50a3a/system.enterpriseservices.dll
>> ----------------------------------------
>>