楼上两位老兄,我没明白你们的意思,我给dropdownlist控件添加项是在 if (!Page.ispostback) { ... }里面,我的问题是在dropdownlist1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)事件的激发上,如是单个网页都能打开指定网页,但是放在框架中,第一项却把自己给更新到右框架中了
把你的dropdownlist1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)部分的代码发上来看看。
框架的 target搞错了吧? 先想想有必要用框架吗?
我在左页面中放了 <base target="mainFrame"> Private Sub ddldocument_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ddldocument.SelectedIndexChanged Dim i As Integer For i = 0 To ddldocument.Items.Count - 1 If ddldocument.SelectedIndex = i Then Dim dtype As String dtype = ddldocument.SelectedItem.Value
Response.Redirect("viewdocument.aspx?type=type" & dtype) End If Next End Sub 谢谢
{
...
}
if (!Page.ispostback)
{
...
}里面,我的问题是在dropdownlist1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)事件的激发上,如是单个网页都能打开指定网页,但是放在框架中,第一项却把自己给更新到右框架中了
框架的 target搞错了吧?
先想想有必要用框架吗?
<base target="mainFrame">
Private Sub ddldocument_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ddldocument.SelectedIndexChanged
Dim i As Integer For i = 0 To ddldocument.Items.Count - 1
If ddldocument.SelectedIndex = i Then
Dim dtype As String
dtype = ddldocument.SelectedItem.Value
Response.Redirect("viewdocument.aspx?type=type" & dtype)
End If
Next End Sub
谢谢