c# - Access to the path Denied when uploading excel file -

when uploading excel file receiving error, can me?

access path 'c:\data\ironelements\upload\aumdata\20101202 031815.xlsx' denied. description: unhandled exception occurred during execution of current web request. please review stack trace more information error , originated in code.

exception details: system.unauthorizedaccessexception: access path 'c:\data\ironelements\upload\aumdata\20101202 031815.xlsx' denied.

asp.net not authorized access requested resource. consider granting access rights resource asp.net request identity. asp.net has base process identity (typically {machine}\aspnet on iis 5 or network service on iis 6) used if application not impersonating. if application impersonating via , identity anonymous user (typically iusr_machinename) or authenticated request user.

to grant asp.net access file, right-click file in explorer, choose "properties" , select security tab. click "add" add appropriate user or group. highlight asp.net account, , check boxes desired access.

source error:

an unhandled exception generated during execution of current web request. information regarding origin , location of exception can identified using exception stack trace below.

my code behind file has following syntax

datetime date = datetime.now;                 string filename = convert.tostring(date.tostring("yyyymmdd hhmmss"));                 directory.createdirectory("c:\\data\\ironelements\\upload\\aumdata\\schema");                 doesfileexists("c:\\data\\ironelements\\upload\\aumdata\\schema");                 fileupload.postedfile.saveas("c:\\data\\ironelements\\upload\\aumdata\\" + filename + ".xlsx");                 system.threading.thread.sleep(5000);                 string connectionstring = webconfigurationmanager.connectionstrings["sqlconnection"].connectionstring;                 sqlconnection sqlconnect = new sqlconnection(connectionstring);                  try                 {                     sqlconnect.open();                     sqlcommand cmdassetundermanagement = new sqlcommand("exec_insert_aumassetvalue", sqlconnect);                     cmdassetundermanagement.commandtype = commandtype.storedprocedure;                     cmdassetundermanagement.executenonquery();                  }                   catch (exception ex)                 {                     response.write(ex.message);                 }                                 {                     sqlconnect.close();                 }                 lblaumta.visible = true;                 lblaumta.text = "file upload completed";             }     private void doesfileexists(string p)             {                 p = string.concat(p, "\\aumschema.xlsx");                 if (!file.exists(p))                 {                     fileupload.postedfile.saveas("c:\\data\\ironelements\\upload\\aumdata\\schema\\aumschema.xlsx");                 }             } 

make sure folder c:\data\ironelements\upload\aumdata has ntfs write permission user in context iis executes. please make sure subfolders of c:\data\ironelements\upload inherits permissions it's parent. this, click advanced button security tab -> change permissions -> check replace child object permissions inheritable permissions object -> hit ok