I need a automatically genarete invoice c# .cs code with windows application

Question

I need now because this is my project
c# asp. net

Answer 1

Try to search it on google or maybe you can start doing it now.

Answer 2

have an look at Microsoft interop for Word.
https://www.dotnetperls.com/word

or chrystal reports
http://www.crystalreports.nl
sometimes this is included in sap

or fast reports ( not sure if this available for c#)
https://www.fast-report.com/nl/