Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\DATA1.mdb;Persist Security Info=False"
Kodunun aşağıdaki gibi olması gerekli,
Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\DATA1.mdb;Jet OLEDBatabase Password=123;"