連接數據庫
OleDbConnection DBConnection = new OleDbConnection("PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA Source={0};Jet OleDb:DataBase Password={1}", "此處是數據庫路徑", "此處是密碼");
string SQLstr = "select * from table"
myCommand = new OleDbCommand(SQLstr, DBConnection);
DBConnection.Open();