事由说明:最近更新FT版本,由原先2019.04.12版更新为2019.10.12.1后报错,2019.04.12版时正常,请问这是版本升级的造成的吗?怎么处理呢?
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FT代码:
''以下代码执行正常
Dim q As new QueryBuilder
q.C
q.TableName = "tablea"
q.SelectString = "S e lect name,datepart(mm,date)month,sum(isnull (amount,0))amount f rom table1 group by name,datepart(mm,date)"
q.Build
''以下统计是报错
Dim g As New CrossTableBuilder("tablea", DataTables("tablea"))
g.HGroups.AddDef("name")
g.VGroups.AddDef("month")
g.Totals.AddDef("amount")
g.HorizontalTotal = True
g.VerticalTotal = True
g.Build()
MainTable = Tables("tablea")
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错误详情:
.NET Framework 版本:4.0.30319.42000
Foxtable 版本:2019.10.12.1
错误所在事件:
详细错误信息:
Object reference not set to an instance of an object.
[此贴子已经被作者于2019/11/11 17:18:32编辑过]