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----  怎么实现不重复值统计总数呢?  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=186534)

--  作者:cnsjroom
--  发布时间:2023/5/9 17:17:00
--  怎么实现不重复值统计总数呢?
Dim Products As List(Of String)
Products = DataTables("问题台账").GetValues("guid")
For Each Product As String In Products 
     output.show(Product)
Next
运行得到
1b39a30c-b5f3-4250-9a3f-6bc0baf52e8c
1b93d35c-09b6-49e2-84cc-c4f7ec67fb7a
4398cf19-1733-4808-99ee-8d2dc977accc
674bea6b-fad3-424b-9081-3c5dad377192
73fa0388-8da3-40b4-bf27-580f1e000f3d
939c0845-5f5b-4728-803d-8961e300e42f
983761b4-4bd4-4321-8d9c-8e9e06cf32f2
9d3a6910-c2eb-45f3-9563-4f5bc269456a
ac4b3585-de21-4393-9a28-7a23fe005c61
c5d70451-ecd1-43c3-ac50-5075f6cbdb2b

怎么实现不重复值统计总数呢?
想得到:10

--  作者:有点蓝
--  发布时间:2023/5/9 17:27:00
--  
基础问题啊:http://www.foxtable.com/webhelp/topics/0217.htm