主题：合并表

Dim dlg As new OpenFileDialog
dlg.Filter = "Excel|*.xls;*.xlsx"
If dlg.ShowDialog = DialogResult.OK Then
    Dim Book As New XLS.Book(dlg.FileName)
    Dim Sheet As XLS.Sheet = Book.Sheets(0)
    Tables("成绩").StopRedraw()
    Dim nms() As String = {"学校代码","单位名称","年级代码","班级","学籍号","考号","姓名"}
    For n As Integer = 1 To Sheet.Rows.Count -1
        Dim bh As String = sheet(n, 5).Text
        Dim xm As String = sheet(n, 6).Text
        Dim dr As DataRow = DataTables("成绩").Find("考号 = '" & bh & "' and 姓名 = '" & xm & "'")
        If dr Is Nothing Then '如果不存在同考号的行
            dr =  DataTables("成绩").AddNew()
        End If
        For m As Integer = 0 To nms.Length - 1
            dr(nms(m)) = Sheet(n,m).Value
        Next
    Next
    Tables("成绩").ResumeRedraw()
End If

参考

 

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