Complete C# Windows Forms e-commerce system with SQL Server database and USA-based sample data. 100+ real American products, real US vendors, real US users.

4 USER ROLES - FULLY WORKING

SuperAdmin (john_admin / admin123): Create admin accounts, manage entire platform, view revenue and statistics, SuperAdmin Home dashboard.

Admin (4 accounts included): Manage vendors and customers, set discounts on products, monitor stock levels, generate sales reports.

Vendor (10 sample vendors): Add/edit/delete products, manage orders, track inventory, view earnings reports.

Customer (test_customer / customer123): Browse 100+ products, add to cart, checkout (Stripe, PayPal, Credit Card), track orders, write reviews.

PERFECT FOR

CS Students learning Windows Forms & databases | Developers wanting a professional project template | Anyone building an e-commerce marketplace | Portfolio piece for interviews | Customizable base for your own platforM.