Question

我正在根据电子邮件计数创建radioButton表单将打开，用户将检查单选按钮然后我将动态存储在配置文件中的emailId。这个功能我在outlook中实现添加

当outlook将关闭并且它将再次打开然后我从Config文件获取最后选择的邮件ID并存储在字符串中但我无法检查那些我从配置获得的特定emailID因为我已经动态创建了radiobutton。每当表单打开时我想检查最后选择的radioButton即使我关闭了前景也是我打开我需要检查最后选择的单选按钮。

这是我动态创建的单选按钮

    For Each email As String In Arremailslist
        Dim rb As New RadioButton
        rb.Name = email
        rb.Text = email
        rb.AutoSize = True

        dynamictablelayout.SetColumn(rb, 0)
        dynamictablelayout.SetRow(rb, i)
        dynamictablelayout.Controls.Add(rb)
        i = i + 1
    Next

我在Form_Load事件中调用此方法

这是我的按钮点击事件代码，用于检查在配置文件中检查和更新的电子邮件ID

Private Sub btnOk_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOk.Click
    selectedmailID = Nothing
    For Each c As Control In dynamictablelayout.Controls
        If c.GetType Is GetType(RadioButton) Then
            Dim rb As RadioButton = DirectCast(c, RadioButton)
            If rb.Checked Then
                selectedmailID = rb.Text
                updateconfige(selectedmailID)
                Exit For
            End If
        End If
    Next
    Me.Close()
End Sub

Answer 1

假设您在变量中有更新的电子邮件ID字符串，请说selectedEmailIdFromConfig

然后，下面Form_Load中的代码段应该如下所示

   For Each email As String In Arremailslist
            Dim rb As New RadioButton
            rb.Name = email
            rb.Text = email
            rb.AutoSize = True

            'Check the radiobutton by string equality check
            If selectedEmailIdFromConfig = email Then
                rb.Checked = True
            End If


            dynamictablelayout.SetColumn(rb, 0)
            dynamictablelayout.SetRow(rb, i)
            dynamictablelayout.Controls.Add(rb)
            i = i + 1
        Next

我希望这会有所帮助。

如何在vb.net中动态检查单选按钮

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