' 导入命名空间
Imports System
Imports System.Data
Imports System.Data.OleDb
Imports System.Data.SqlClient
Imports System.Collections
Imports System.Windows.Forms
Imports System.Resources

Public Class MainClass
    Shared Sub Main()
        Dim strConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Employee.mdb;"
        Dim objConnection As New OleDbConnection(strConnectionString)
        Dim strSQL As String = "SELECT FirstName, LastName FROM Employee"
        Dim objCommand As New OleDbCommand(strSQL, objConnection)
        Dim objDataAdapter As New OleDbDataAdapter(objCommand)
        Dim objDataTable As New Data.DataTable("Employee")
        Dim objDataRow As DataRow

        Try
            objConnection.Open()
            objDataAdapter.Fill(objDataTable)
            For Each objDataRow In objDataTable.Rows
                Console.WriteLine(objDataRow.Item("FirstName") & " " & objDataRow.Item("LastName"))
            Next
        Catch OleDbExceptionErr As OleDbException
            Console.WriteLine(OleDbExceptionErr.Message)
        Catch InvalidOperationExceptionErr As InvalidOperationException
            Console.WriteLine(InvalidOperationExceptionErr.Message)
        End Try

        objConnection.Close()

        objDataRow = Nothing
        objDataTable.Dispose()
        objDataTable = Nothing
        objDataAdapter.Dispose()
        objDataAdapter = Nothing
        objCommand.Dispose()
        objCommand = Nothing
        objConnection.Dispose()
        objConnection = Nothing

    End Sub
End Class