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-  Foxtable(狐表)  (http://foxtable.com/bbs/index.asp)
--  专家坐堂  (http://foxtable.com/bbs/list.asp?boardid=2)
----  合并统计出现的错误提示，如何解决？  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=146987)
--  作者：kylin
--  发布时间：2020/3/7 10:31:00
--  合并统计出现的错误提示，如何解决？
Dim bd1 As New GroupTableBuilder("统计表1",DataTables("OutDtl"))
Dim dt1 As fxDataSource
bd1.Groups.AddDef("ItcNam")
bd1.Groups.AddDef("DocTm", DateGroupEnum.Year, "Yr")
bd1.Groups.AddDef("DocTm", DateGroupEnum.Month,"Mn")
bd1.Groups.AddDef("DocTm", DateGroupEnum.Day, "Dt")
bd1.Totals.AddDef("Amn", "AddAmn")
dt1 = bd1.BuildDataSource()

Dim bd2 As New GroupTableBuilder("统计表2",DataTables("AcpDtl"))
Dim dt2 As fxDataSource
bd2.Groups.AddDef("ItcNam")
bd2.Groups.AddDef("DocTm", DateGroupEnum.Year, "Yr")
bd2.Groups.AddDef("DocTm",DateGroupEnum.Month,"Mn")
bd2.Groups.AddDef("DocTm", DateGroupEnum.Day, "Dt")
bd2.Totals.AddDef("Amn", "RdcAmn")
bd2.Filter = "[WayID] = \'MG\'"
dt2 = bd2.BuildDataSource()
Dim cls = "ItcNam,Yr,Mn,Dt"
dt1.Combine(cls,dt2,cls)
Tables("AcpAcc_Table1").DataSource = dt1

以上会报错，删除关于日期的分组就不会报错？这是为什么？如何解决？
--  作者：有点蓝
--  发布时间：2020/3/7 10:39:00
--  
Dim cls() as string = {"ItcNam","Yr","Mn","Dt"}
--  作者：kylin
--  发布时间：2020/3/7 11:33:00
--  
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