OLEDB connection to Access Database (accdb)

Question

I want to make a simple application for an exercise, so it could be nice to connect to a simple database like Access (.accdb)

My program looks like this:

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Answer 1

add using System.Data.OleDb library.

now for the connection string

OleDbConnection con = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\Users\\Aishwar NIGAM\\Documents\\indianOil.accdb");