How to upload file in c# windows application

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- How to upload file in google drive using c# windows application
- How to upload a csv file in c# windows form application
- How to upload excel file in windows application using c#
- Multiple file upload in c# windows application
- Upload csv file in c# windows application
- How to upload file in c#
- File upload in c# asp.net
- How to upload file in mvc c#
- Upload file api c#