注识的代码直接删除页面没问题的，但加上条件后页面集合全不见了。要求未保存数据的临时页面不允许删除。
'If Forms("主窗口").opened Then
'If Forms("主窗口").Controls("TabControl1").SelectedIndex > 2 Then
'Dim tab As WinForm.TabControl = Forms("主窗口").Controls("TabControl1")
'tab.TabPages.Delete(tab.SelectedIndex)
'End If
'End If
If Forms("主窗口").opened Then
Dim pg As WinForm.TabPage
If Forms("主窗口").Controls("TabControl1").SelectedIndex > 2 Then
Dim qsmc As WinForm.ComboBox = Forms("主窗口").Controls("棋赛名称")
Dim di1 As String = qsmc.Value
If di1 = "" Then
messagebox.show("请选择棋赛名称")
Return
End If
Dim m As WinForm.TextBox = Forms("主窗口").Controls("第几轮")
Dim di2 As String = m.Value
If di2 = "" Then
messagebox.show("请输入第几轮")
Return
End If
Dim bsrq As WinForm.DateTimePicker = Forms("主窗口").Controls("rq")
Dim di3 As Date = bsrq.Value
If Forms("主窗口").Controls("rq").text = "" Then
messagebox.show("请选择日期")
Return
End If
Dim bslx As WinForm.TextBox = Forms("主窗口").Controls("bslx")
Dim lx As String = bslx.Value
Dim fz As WinForm.DropDownBox = Forms("主窗口").Controls("fenzhu")
Dim Str As String = fz.Value
If Forms("主窗口").Controls("fenzhu").text = "" Then
messagebox.show("请选择分组")
Return
End If
If Forms("主窗口").Controls("TabControl1").SelectedPage.Name = Str Then
Dim drs As List(of DataRow) = DataTables("比赛积分").SQLSelect("[团体赛或个人赛] = '" & lx & "' And [棋赛名称] = '" & di1 & "' And [第几轮比赛] = '" & di2 & "' And [分组] = '" & Str & "'")
For Each dr As DataRow In drs
If dr.IsNull("积分") Then
Return
Else
Dim tab As WinForm.TabControl = Forms("主窗口").Controls("TabControl1")
tab.TabPages.Delete(tab.SelectedIndex)
End If
Next
Else
Dim tab As WinForm.TabControl = Forms("主窗口").Controls("TabControl1")
tab.TabPages.Delete(tab.SelectedIndex)
End If
End If
End If
[此贴子已经被作者于2022/1/6 17:22:19编辑过]
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Post By：2022/1/6 14:39:00 [显示全部帖子]
此主题相关图片如下：qq图片20220106172716.png