Please Sir c# winforms main be same video bana dain.
Cookies concept is only used in Web Application. For winform, we use text file containing certain information. Although these days, it is not used as we can many things using our databases. Enjoy!!!
Check the link below will give you answer ... http://www.programinurdu.com/2015/08/c-how-to-save-username-to-text-file-in.html.
sir you have any video tutorial about uploading file sql server using asp.net in urdu