using System.Data.OleDb;
string connection = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=yourpath\10_stars.accdb";
using (OleDbConnection con = new OleDbConnection(connection))
{
con.Open();
OleDbCommand cmd = new OleDbCommand("SELECT * FROM stars", con);
OleDbDataReader reader = cmd.ExecuteReader();
}
Edit after your code posted.
Your connection string is incomplete. Your SQL statement does not include the name of the table to extract the data from.