error on sending fax using FAXCOMEXLib on iis

Question

hi.
i am programming sending fax using FAXCOMEXLib.
when run it using visual studio, sending fax work correctly.

but when i publish source and want send fax using iis, show this error:

 Object reference not set to an instance of an object.

what permission must be applied in iis?

please help me. it is very important for me

ma tadbirgaran · Answer

public int SendFax(string DocumentName string FileName string RecipientName string FaxNumber) { int Response = -1; if (FaxNumber != ) { FAXCOMEXLib.FaxServerClass fsc = new FAXCOMEXLib.FaxServerClass(); try { fsc .Connect(Environment.MachineName); } catch (Exception ex) { } FAXCOMEXLib.FaxDocumentClass fd = new FAXCOMEXLib.FaxDocumentClass(); fd .Recipients.Add(FaxNumber RecipientName); fd .Body = FileName; try { fd.ConnectedSubmit(fsc); } catch (Exception ex) { } fsc .Disconnect(); } return Response; } error occured on code: fd.ConnectedSubmit(fsc); I emphasize the code on visual studio is working properly but when I run the program on iis When sending a faxreceive error

Niladri Sekhar Dutta · Answer

Can you share your code line where you are getting the exception