System.Security.SecurityException: Permission denied Error while invoking methods in a Component

[stephen]

Hi,
I am getting an error while trying to create an excel file.
"Description: The application attempted to perform an operation not allowed
by the security policy. To grant this application the required permission
please contact your system administrator or change the application's trust
level in the configuration file.
Exception Details: System.Security.SecurityException: Permission denied"

This is what I am doing. we had an app that was written in VB to take
specific dates and create an excel file.
I am using the dll in my .NET app but it displays the error while writing
the file...

I am sure that I have used regsrv32 to register the DLL

any suggestions,
Stephen

[Kumar Reddi]

you said you are using the COM server DLL directly in .net? If thats
what you are doing.. you need to create an interop assembly before you
can access the methods in that dll

Please let me know if I understoof your question incorrectly

stephen wrote:

Hi,
I am getting an error while trying to create an excel file.
"Description: The application attempted to perform an operation not allowed
by the security policy. To grant this application the required permission
please contact your system administrator or change the application's trust
level in the configuration file.
Exception Details: System.Security.SecurityException: Permission denied"

This is what I am doing. we had an app that was written in VB to take
specific dates and create an excel file.
I am using the dll in my .NET app but it displays the error while writing
the file...

I am sure that I have used regsrv32 to register the DLL

any suggestions,
Stephen

[Nicole Calinoiu]

Are you trying to run the application over the network? If so, see
http://blogs.msdn.com/shawnfa/archiv.../20/57023.aspx. (If you're
using version 2.0 of the .NET framework, ClickOnce is another option for
permissions elevation.)

If you're not attempting to run the applicaiton over the network, could you
please post the complete exception details (including call stack listing),
as returned from its ToString method?

"stephen" <st********@hotmail.comwrote in message
news:%2***************@TK2MSFTNGP06.phx.gbl...

>
Hi,
I am getting an error while trying to create an excel file.
"Description: The application attempted to perform an operation not
allowed by the security policy. To grant this application the required
permission please contact your system administrator or change the
application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Permission denied"

This is what I am doing. we had an app that was written in VB to take
specific dates and create an excel file.
I am using the dll in my .NET app but it displays the error while writing
the file...

I am sure that I have used regsrv32 to register the DLL

any suggestions,
Stephen

[stephen]

Hi Kumar and Nicole,

This is how I am working on this project. I have a DLL given to me by
another developer that generates Excel files and he created it using VB6.
I registered it on my box, referenced it and I am trying to use it
This is the error I am getting along with stack trace:

Description: The application attempted to perform an operation not allowed
by the security policy. To grant this application the required permission
please contact your system administrator or change the application's trust
level in the configuration file.

Exception Details: System.Security.SecurityException: Permission denied
[SecurityException: Permission denied]
CBAS_DTStoExcel.CBQueryDTStoExcelClass.set_OutPath (Object ) +0
cbas.QueryDB.ExportToExcel(DateTime dBeginDate, DateTime dEndDate) in
C:\Inetpub\wwwroot\CBAS_Deploy\QueryDB.aspx.vb:74
cbas.QueryDB.btnRunReport_Click(Object sender, EventArgs e) in
C:\Inetpub\wwwroot\CBAS_Deploy\QueryDB.aspx.vb:53
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108
System.Web.UI.WebControls.Button.System.Web.UI.IPo stBackEventHandler.RaisePostBackEvent(String
eventArgument) +57
System.Web.UI.Page.RaisePostBackEvent(IPostBackEve ntHandler
sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCol lection postData) +33
System.Web.UI.Page.ProcessRequestMain() +2112
System.Web.UI.Page.ProcessRequest() +217
System.Web.UI.Page.ProcessRequest(HttpContext context) +18
System.Web.CallHandlerExecutionStep.System.Web.Htt pApplication+IExecutionStep.Execute()
+179
System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean&
completedSynchronously) +87


"Kumar Reddi" <ku********@gmail.comwrote in message
news:11*********************@h48g2000cwc.googlegro ups.com...

you said you are using the COM server DLL directly in .net? If thats
what you are doing.. you need to create an interop assembly before you
can access the methods in that dll

Please let me know if I understoof your question incorrectly

stephen wrote:

>Hi,
I am getting an error while trying to create an excel file.
"Description: The application attempted to perform an operation not
allowed
by the security policy. To grant this application the required permission
please contact your system administrator or change the application's
trust
level in the configuration file.
Exception Details: System.Security.SecurityException: Permission denied"

This is what I am doing. we had an app that was written in VB to take
specific dates and create an excel file.
I am using the dll in my .NET app but it displays the error while writing
the file...

I am sure that I have used regsrv32 to register the DLL

any suggestions,
Stephen

[Nicole Calinoiu]

It looks like your ASP.NET application is not probably not running with
unrestricted CAS permissions (aka full trust). Unless you have restricted
CAS permissions via your own application's web.config file, adjusting this
is a task for the server administrator. (If you are in shared hosting, it's
likely that the administrator will be unwilling to increase your
application's permissions, and you may need to move to dedicated hosting.)
"stephen" <st********@hotmail.comwrote in message
news:%2****************@TK2MSFTNGP05.phx.gbl...

Hi Kumar and Nicole,

This is how I am working on this project. I have a DLL given to me by
another developer that generates Excel files and he created it using VB6.
I registered it on my box, referenced it and I am trying to use it
This is the error I am getting along with stack trace:

Description: The application attempted to perform an operation not allowed
by the security policy. To grant this application the required permission
please contact your system administrator or change the application's trust
level in the configuration file.

Exception Details: System.Security.SecurityException: Permission denied
[SecurityException: Permission denied]
CBAS_DTStoExcel.CBQueryDTStoExcelClass.set_OutPath (Object ) +0
cbas.QueryDB.ExportToExcel(DateTime dBeginDate, DateTime dEndDate) in
C:\Inetpub\wwwroot\CBAS_Deploy\QueryDB.aspx.vb:74
cbas.QueryDB.btnRunReport_Click(Object sender, EventArgs e) in
C:\Inetpub\wwwroot\CBAS_Deploy\QueryDB.aspx.vb:53
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108

System.Web.UI.WebControls.Button.System.Web.UI.IPo stBackEventHandler.RaisePostBackEvent(String
eventArgument) +57
System.Web.UI.Page.RaisePostBackEvent(IPostBackEve ntHandler
sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCol lection postData) +33
System.Web.UI.Page.ProcessRequestMain() +2112
System.Web.UI.Page.ProcessRequest() +217
System.Web.UI.Page.ProcessRequest(HttpContext context) +18

System.Web.CallHandlerExecutionStep.System.Web.Htt pApplication+IExecutionStep.Execute()
+179
System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean&
completedSynchronously) +87


"Kumar Reddi" <ku********@gmail.comwrote in message
news:11*********************@h48g2000cwc.googlegro ups.com...

>you said you are using the COM server DLL directly in .net? If thats
what you are doing.. you need to create an interop assembly before you
can access the methods in that dll

Please let me know if I understoof your question incorrectly

stephen wrote:

>>Hi,
I am getting an error while trying to create an excel file.
"Description: The application attempted to perform an operation not
allowed
by the security policy. To grant this application the required
permission
please contact your system administrator or change the application's
trust
level in the configuration file.
Exception Details: System.Security.SecurityException: Permission denied"

This is what I am doing. we had an app that was written in VB to take
specific dates and create an excel file.
I am using the dll in my .NET app but it displays the error while
writing
the file...

I am sure that I have used regsrv32 to register the DLL

any suggestions,
Stephen