VB+教学辅助系统(四)

VB+教学辅助系统(四) t;> 0 Then
            adoprimaryrs1.MoveFirst
        Else
            Exit Sub
        End If

        Do Until adoprimaryrs1.EOF
            TempSmallStyle = adoprimaryrs1.Fields("函数").Value
            Set nodey = TreeView1.Nodes.Add(a, tvwChild, b, TempSmallStyle, 3, 3)
            b = b + "1"
            adoprimaryrs1.MoveNext
        Loop
         adoprimaryrs1.Close
         Set adoprimaryrs1 = Nothing
    Else
        '*************************************************
        adoprimaryrs1.CursorLocation = adUseClient
        adoprimaryrs2.CursorLocation = adUseClient
        adoprimaryrs1.Open "select distinct 小类别 from Code where 大类别='" & TempBigStyle & "'", StrConnect, adOpenForwardOnly, adLockReadOnly, adCmdText
        '*************************************************
        TreeView1.LineStyle = tvwRootLines
        TreeView1.Nodes.Clear
        Set nodex = TreeView1.Nodes.Add(, , a, TempBigStyle, 2, 1)
        If adoprimaryrs1.RecordCount <> 0 Then
            adoprimaryrs1.MoveFirst
        Else
            Exit Sub
        End If

        Do Until adoprimaryrs1.EOF
            TempSmallStyle = adoprimaryrs1.Fields("小类别").Value
            Set nodey = TreeView1.Nodes.Add(a, tvwChild, b, TempSmallStyle, 3, 3)
            If adoprimaryrs2.State = 1 Then
              adoprimaryrs2.Close
            End If

            adoprimaryrs2.Open "select 标题 from Code where 大类别='" & TempBigStyle & "' and 小类别='" & TempSmallStyle & "'", S

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