Microsoft Access Database Engine //free\\ May 2026

Console.WriteLine($"reader[0]: reader[1]");

conn.Open(); OleDbCommand cmd = new OleDbCommand("SELECT [Region], SUM([Amount]) FROM [Sheet1$] GROUP BY [Region]", conn); OleDbDataReader reader = cmd.ExecuteReader(); while (reader.Read()) microsoft access database engine

Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Data\MyDatabase.accdb;Persist Security Info=False; Console

In the sprawling ecosystem of Microsoft data technologies, certain components work so effectively behind the scenes that they often go unnoticed until something breaks. The Microsoft Access Database Engine (formerly known as the Jet Red engine, and later the Access Connectivity Engine or ACE) is precisely such a component. OleDbCommand cmd = new OleDbCommand("SELECT [Region]