摘要： 1 Imports ADODB 2 Imports System.Text 3 Imports System.Data.OleDb 4 Imports System.IO 5 6 Public Class AccessorHelper 7 8 Private _connectionString As String = "provider=microsoft.ace.oledb.12.0;data source= " & Application.StartupPath & "\DispatchCar.db" 9 10 Public Func 阅读全文