(C#) ASP.NET - DataTable()

DataTable dt = new DataTable();

        System.Data.OleDb.OleDbConnection objConn = new System.Data.OleDb.OleDbConnection();
		System.Data.OleDb.OleDbDataAdapter dtAdapter = new System.Data.OleDb.OleDbDataAdapter();
		DataTable dt = new DataTable();
       
       
		String strConnString;
		strConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + 
		Server.MapPath("database/mydatabase.mdb")+";Jet OLEDB:Database Password=;";
		objConn = new System.Data.OleDb.OleDbConnection(strConnString);
		objConn.Open();

		String strSQL;
		strSQL = "SELECT * FROM customer";
		
		dtAdapter = new System.Data.OleDb.OleDbDataAdapter(strSQL, objConn);
		dtAdapter.Fill(dt);

		dtAdapter = null;

		objConn.Close();
        objConn = null;