listview virtual mode 的问题，求解！！

,想将数据库中的各项导入到listview,由于数据庞大，所以用 virtual mode,但是始终不成功！！

Public Class customer
    Public cnn As New OleDb.OleDbConnection
    Public cmd As New OleDb.OleDbCommand
    Public da As New OleDb.OleDbDataAdapter
    Public dr As OleDb.OleDbDataReader
    Dim ds As New DataSet
    Dim dt As New DataTable
    Dim listitem() As ListViewItem
    Private firstItem As Integer
    Dim arr As ArrayList
    Private Sub customer_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ListView1.Items.Clear()
        ListView1.GridLines = True
        ListView1.VirtualMode = True
        ListView1.VirtualListSize = 0

        Call CheckImportListView()

    End Sub
    Private Sub CheckImportListView()
        Dim sql As String
        cnn.ConnectionString = "Provider=Microsoft.Jet.Oledb.4.0;data Source=" & Application.StartupPath & "\database.mde "
        sql = "Select ID,name,TEL from [客户]"
        Dim da As OleDb.OleDbDataAdapter = New OleDb.OleDbDataAdapter(sql, cnn)
        da.Fill(ds, "客户")
        Dim i As Integer = 0
        listitem = New ListViewItem(ds.Tables("客户").Rows.Count - 1) {}
        For Each dRow As DataRow In ds.Tables("客户").Rows
            For i = 1 To ds.Tables("客户").Columns.Count
                listitem(i) = New ListViewItem(dRow("ID").ToString)
                //listitem(i) = New ListViewItem(dRow("name").ToString)
                i = i + 1
            Next
        Next
        ListView1.VirtualListSize = ds.Tables("客户").Rows.Count
    End Sub

    Private Sub ListView1_RetrieveVirtualItem(ByVal sender As Object, ByVal e As System.Windows.Forms.RetrieveVirtualItemEventArgs) Handles ListView1.RetrieveVirtualItem
        Dim x As Integer = e.ItemIndex * e.ItemIndex
        e.Item = New ListViewItem(x.ToString())
    End Sub
End Class

virtualListview中只显示第一列(ID)的数据,如何添加显示第二列（name）、第三列(Tel)数据.