Dim dlg As New OpenFileDialog
dlg.Filter = "Excel文件|*.xls;*.xlsx"
If dlg.ShowDialog =DialogResult.OK Then
    Dim t As Table = Tables("学生缴费")
    t.StopRedraw()
    Dim Book As New XLS.Book(dlg.FileName)
    Dim Sheet As XLS.Sheet = Book.Sheets(0)
    Dim newcount As Integer = 0
    Dim oldcount As Integer = 0
    For n As Integer = 1 To Sheet.Rows.Count -1
        Dim r As DataRow = t.DataTable.SQLFind("发票号 = \'" & sheet(n, 0).text & "\'")
        If r Is Nothing Then
            r = t.DataTable.AddNew()
            newcount += 1
        Else
            oldcount += 1
        End If
        For i As Integer = 0 To sheet.Cols.Count -1
            Dim cname As String = sheet(0, i).text
            If t.Cols.Contains(cname) Then
                r(cname) = sheet(n, i).Text
            End If
        Next
    Next
    msgbox("新增" & newcount & "    " & "更新旧数据" & oldcount)
    t.ResumeRedraw()
    t.Save()
End If
e.Form.controls("Table1").Table.Fill("Se lect * From {学生缴费}","数据库",True)

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点击浏览该文件:管理项目16.zip

导入学生缴费Exce文件时，如果学生缴费表有同发票号更新或者新增，请老师指教，谢谢

参考 http://www.foxtable.com/webhelp/scr/0793.htm