专家坐堂-【求助】清除所有控件时的清除按钮出错Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

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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)
----  【求助】清除所有控件时的清除按钮出错  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=118615)

--  作者：wangjx817
--  发布时间：2018/5/7 14:55:00
--  【求助】清除所有控件时的清除按钮出错
For Each c As WinForm.Control In e.Form.Controls
        If Typeof c Is winform.TextBox OrElse TypeOf c Is winform.Combobox OrElse TypeOf c Is winform.DropDownBox Then
            Dim t As WinForm.TextBox = c
            Dim t1 As WinForm.Combobox = c
            Dim t2 As WinForm.DropDownBox = c
            t.Value = Nothing
            t1.Value = Nothing
            t2.Value = Nothing
        End If
    Next

--  作者：wangjx817
--  发布时间：2018/5/7 14:57:00
--

此主题相关图片如下：qq图片20180507143819.png

--  作者：有点蓝
--  发布时间：2018/5/7 15:03:00
--

For Each c As WinForm.Control In e.Form.Controls
If Typeof c Is winform.TextBox OrElse TypeOf c Is winform.Combobox OrElse TypeOf c Is winform.DropDownBox Then
c.Value = Nothing
End If
Next