主题：如果合并二个功能

Dim dlg As New OpenFileDialog '定义一个新的OpenFileDialog
    dlg.Filter= "Excel文件|*.xls" '设置筛选器
    If dlg.ShowDialog = DialogResult.Ok Then '如果用户单击了确定按钮

       Dim Book As New XLS.Book(dlg.FileName)

Dim Sheet As XLS.Sheet = Book.Sheets(0)
Tables("订单").StopRedraw()
'注意以下数组中列名称的顺序,必须和Excel表中的列顺序一致
Dim nms() As String = {"编号","产品","客户","雇员","单价","折扣","数量","日期"}
'注意下面的循环变量从1开始，而不是从0开始，因为Excel表的第一行是标题
For n As Integer = 1 To Sheet.Rows.Count -1 
    Dim r As Row = Tables("订单").AddNew()
    For m As Integer = 0 To nms.Length - 1
         r(nms(m)) = Sheet(n,m).Value
    Next
Next
Tables("订单").ResumeRedraw()
    end if