Dim dtb As New DataTableBuilder("统计")
dtb.AddDef("年龄段", Gettype(String), 32)
Dim ahs As List(of String) = DataTables("表A").GetValues("爱好")
For Each s As String In ahs
dtb.AddDef(s, Gettype(Double))
Next
dtb.Build()
Dim r As Row = Tables("统计").AddNew
r("年龄段")="22-33"
For Each s As String In ahs
r(s)=DataTables("表A").Compute("sum(金额)","年龄>=22 and 年龄<=33 and 爱好='" & s & "'")
Next
r = Tables("统计").AddNew
r("年龄段")="45以上"
For Each s As String In ahs
r(s)=DataTables("表A").Compute("sum(金额)","年龄>=45 and 爱好='" & s & "'")
Next
MainTable= Tables("统计")
加好友 
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Post By：2015/4/20 8:39:00 [显示全部帖子]
