请求大师指教！谢谢！ - 专家坐堂 - Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

Dim t As Table = CurrentTable
t.StopRedraw
t.ApplySort = False
Dim d As Col = t.Cols(t.ColSel) ' 这选定列的名称是"ntdc3
Dim idx As Integer = CInt(d.Name.Replace("nydc",""))
For Each dr As DataRow In t.DataTable.DataRows
    Dim v1 As Double = dr(d.Name)
    Dim v2 As Double = dr("siud")
    Dim j As Integer = 1
    For i As Integer = idx+1 To 18
        If t.cols("nydc" & i).Visible Then
            dr("nydc" & i) = v1 + j * v2
            j += 1
        End If
    Next
    j = 1
    For i As Integer = idx-1 To 1 Step -1
        If t.cols("nydc" & i).Visible Then
            dr("nydc" & i) = v1 - j * v2
            j += 1
        End If
    Next
Next
t.ResumeRedraw

主题：请求大师指教！谢谢！