Two projects that will interact (CRUD) with a local database (mdb). How to implement this? DataSet, OleDbDataAdapter-s, connectionString. Where it all to create. Explain please. Thank you!
Look for Creating an N-Tier Data Application
And here - Understand 3- Tier Architecture in C#
Links
1) https://msdn.microsoft.com/en-us/library/bb384570.aspx
2) https://www.codeproject.com/Tips/662107/Understand-Tier-Architecture-in-Csharp