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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)
----  无法将类型为“Foxtable.WinForm.Label”的对象强制转换为类型“Foxtable.WinForm.TextBox”  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=134110)
--  作者：gaolei
--  发布时间：2019/4/27 18:41:00
--  无法将类型为“Foxtable.WinForm.Label”的对象强制转换为类型“Foxtable.WinForm.TextBox”
Dim b1 As WinForm.TextBox = e.Form.Controls("税额1")
Dim b2 As WinForm.TextBox = e.Form.Controls("税额2")
Dim b3 As WinForm.TextBox = e.Form.Controls("税额3")
Dim b4 As WinForm.TextBox = e.Form.Controls("税额4")
Dim b5 As WinForm.TextBox = e.Form.Controls("税率01")
Dim b6 As WinForm.TextBox = e.Form.Controls("税率02")
Dim b7 As WinForm.TextBox = e.Form.Controls("税率03")
Dim b8 As WinForm.TextBox = e.Form.Controls("税率04")
Dim c1 As String = b1.value
Dim c2 As String = b2.value
Dim c3 As String = b3.value
Dim c4 As String = b4.value
Dim c5 As String = b5.value
Dim c6 As String = b6.value
Dim c7 As String = b7.value
Dim c8 As String = b8.value
s2=val(c1)
s3=val(c2)
s4=val(c3)
s5=val(c4)
s6=val(c5)
s7=val(c6)
s8=val(c7)
s9=val(c8)
Dim aa() As Single ={s2,s3,s4,s5}
Dim bb() As Single ={s6,s7,s8,s9}
Dim f As Single
For i As Integer = 0 To 3
   If bb(i) <> 0
     f =f + aa(i)/bb(i)*(1+bb(i))
   End If
NEXT
老师请教一下，这段代码老显示 无法将类型为“Foxtable.WinForm.Label”的对象强制转换为类型“Foxtable.WinForm.TextBox”。这个是为啥，我的代码里面明明没有label类型的窗口啊，打扰老师帮忙指点一下
--  作者：gaolei
--  发布时间：2019/4/27 18:54:00
--  
老师，我找到原因了，不是代码的原因，代码没问题，打扰啦