2003版本的access資料連結字元串:
string databasepath = @"c:/users/user/documents/test.mdb";
string connectionstring = "provider=microsoft.jet.oledb.4.0;data source=" + databasepath + ";";
2007版本的access資料連結字元串應為:
string databasepath = @"c:/users/user/documents/test.accdb";
string connectionstring = "provider=microsoft.ace.oledb.12.0;data source=" + databasepath + ";";
換成新的提供程式即可