主题：[求助]导入Excel 文件如何过滤重复的行【已解决】

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Dim dlg As New OpenFileDialog
dlg.Filter = "Excel文件|*.xls;*.xlsx"
If dlg.ShowDialog =DialogResult.OK Then
    Dim t As Table = Tables("表B")
    t.StopRedraw()
    Dim Book As New XLS.Book(dlg.FileName)
    Dim Sheet As XLS.Sheet = Book.Sheets(0)
    For n As Integer = 1 To Sheet.Rows.Count -1
        Dim r As DataRow = t.DataTable.Find("第一列 = '" & sheet(n, 0).text & "'")
        If r Is Nothing Then r = t.DataTable.AddNew()
        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
    t.ResumeRedraw()
End If