Hello.
We have been working extensively in windows standalone/Client Server application development using c#.Net for last 12 Years. Using both ODBC or MSSQL directly. Some of the project that we have handled are Time attendance, Visitor Management, Weapon Management System, Biometric PC Logon, Billing system for textile Factory, POS for restaurants & Cafes, etc and many more. Recently we converted / upgraded DOS software to windows OS with same look,feel and working.
If you want I can arrange a demo of our current POS for restaurant. Kindly message me for further discussion. We will provide you support.
Thanks & Regards,
Skynics Smart System.