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---- 增加列，会弹窗报错，求指导 (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=158161)
-- 发布时间：2020/11/10 9:55:00
-- 增加列，会弹窗报错，求指导
.NET Framework 版本：4.0.30319.42000
Foxtable 版本：2020.5.29.8
错误所在事件：村干部基本信息,AfterSelRangeChange
详细错误信息：
值不能为 null。
参数名: key
Dim c As Col = e.Table.Cols(e.NewRange.LeftCol)
Dim dict As new Dictionary(of String,Integer)
Dim r As Row
For i As Integer = e.NewRange.TopRow To e.NewRange.BottomRow
r = e.Table.Rows(i)
If dict.ContainsKey(r(c.Name)) Then
dict(r(c.Name)) += 1
Else
dict.Add(r(c.Name),1)
End If
Next
Dim f As Integer = e.Table.Cols("学历_全日制").Index
Dim f2 As Integer = e.Table.Cols("党组织建制").Index
Dim f3 As Integer = e.Table.Cols("干部类型").Index
Dim f4 As Integer = e.Table.Cols("工作单位_村居社区").Index
If e.NewRange.LeftCol = e.NewRange.RightCol AndAlso (e.NewRange.LeftCol =f OrElse e.NewRange.LeftCol =f2 OrElse e.NewRange.LeftCol =f3 OrElse e.NewRange.LeftCol =f4) Then
Dim s As String = ""
For Each key As String In dict.Keys
s = s & ";" & key & ":" & dict(key)
StatusBar.Message2 = s
Next
Else
StatusBar.Message2 = ""
End If
请版主帮忙指导！
-- 发布时间：2020/11/10 10:17:00
--
应该是有空单元格
For i As Integer = e.NewRange.TopRow To e.NewRange.BottomRow
r = e.Table.Rows(i)
if r.isnull(c.Name) = false
If dict.ContainsKey(r(c.Name)) Then
dict(r(c.Name)) += 1
Else
dict.Add(r(c.Name),1)
End If
end if
Next
-- 发布时间：2020/11/10 10:49:00
--
此主题相关图片如下：未知错误.jpg
增加if r.isnull(c.Name) = false之后，提示未知编译错误
-- 发布时间：2020/11/10 10:51:00
--
仔细看2楼：end if