Hi All,

 This is my folder structre,

  WebAppln
    ---------bin
                ---WebAppln.dll
    ---------WebForm1.aspx
    ---------webform2.aspx

    ---------SubFolder1
                ---------bin
                         ----Add.dll
                         ----Edit.dll
                ---------Add.aspx
                ---------Edit.aspx

 Here I am dynamically creating the subfolder1 and its aspx, dll files,

While i try to get them in browser,I got the following error, Plz Help Me
//////////////////////////////////

Configuration Error
Description: An error occurred during the processing of a configuration
file required to service this request. Please review the specific error
details below and modify your configuration file appropriately.

Parser Error Message: It is an error to use a section registered as
allowDefinition='MachineToApplication' beyond application level. This error
can be caused by a virtual directory not being configured as an application
in IIS.

Source Error:

Line 53: by Microsoft that offers a single logon and core
profile services for member sites.
Line 54: -->
Line 55: <authentication mode="Windows" />
Line 56:
Line 57: <!-- AUTHORIZATION


/////////////////////////////////

Thank You,
Senthil kumar Ramachandran

Are you also copying a web.config file into that subfolder? This is most likely the cause of this error. It's giving you this error because the <authorization> node exists in a web.config that lives in a folder below the virtual application root.

-Peter