0

我正在尝试遍历共享点页面上的所有控件,出于测试目的,我只想输出控件 ID

这是我正在使用的代码

Public Shared Sub SubstituteValues3(ByVal CurrentPage As Page, ByRef s As StringBuilder)

    'Page()
    '- MasterPage
    '- HtmlForm
    '- ContentPlaceHolder
    '- The TextBoxes, etc.

    For Each ctlMaster As Control In CurrentPage.Controls


        If TypeOf ctlMaster Is MasterPage Then
            HttpContext.Current.Response.Output.Write("Master Page <br/>")

            For Each ctlForm As Control In ctlMaster.Controls

                If TypeOf ctlForm Is HtmlForm Then
                    HttpContext.Current.Response.Output.Write("HTML Form <br/>")

                    For Each ctlContent As Control In ctlForm.Controls
                        If TypeOf ctlContent Is ContentPlaceHolder Then
                            HttpContext.Current.Response.Output.Write("Content Placeholder <br/>")

                            For Each ctlChild As Control In ctlContent.Controls
                                HttpContext.Current.Response.Output.Write(ctlChild.ID.ToString & "<br />")
                            Next
                        End If
                    Next
                End If
            Next
        End If
    Next

    HttpContext.Current.Response.Output.Write("--------------")
    HttpContext.Current.Response.End()

但是它没有超过“MasterPage”输出。

我希望看到我在内容占位符中拥有的所有控件的名称,但我觉得这有点令人困惑。

4

4 回答 4

1

从 Page.Master.Controls 开始

从那里你所拥有的应该基本上可以工作

        For Each ctlForm As Control In Page.Master.Controls

            If TypeOf ctlForm Is HtmlForm Then
                HttpContext.Current.Response.Output.Write("HTML Form <br/>")

                For Each ctlContent As Control In ctlForm.Controls
                    If TypeOf ctlContent Is ContentPlaceHolder Then
                        HttpContext.Current.Response.Output.Write("Content Placeholder <br/>")

                        For Each ctlChild As Control In ctlContent.Controls
                            HttpContext.Current.Response.Output.Write(ctlChild.ID.ToString & "<br />")
                        Next
                    End If
                Next
            End If
        Next
于 2008-10-02T01:54:36.677 回答
0

你可以用递归简单地做到这一点,不是有效的,但它很简单......试试这个方法:public void getControls(Control input)

{
    foreach (Control c in input.Controls)
    {
        Response.Write(c.GetType().ToString() + " - " + c.ID + "<br />");
        getControls(c);
    }
}

并这样称呼它:

getControls(Page);

这将循环遍历页面上的所有控件并输出它们的类型 - ID并将其打印到页面顶部......您还可以使用代码来构建列表或任何您想做的事情。

于 2008-10-18T13:48:27.963 回答
0

MasterPage 不是当前页面的控件,它是它的属性,在Page.MasterPage

于 2008-10-01T01:39:02.320 回答
0

我发现这段代码似乎列出了我需要的控件,但我认为这更像是一种 hack。

For i = 0 To CurrentPage.Request.Form.AllKeys.Length - 1
        If CurrentPage.Request.Form.GetKey(i).Contains("ctl00$PlaceHolderMain$") Then


            Dim key As String = CurrentPage.Request.Form.GetKey(i).Substring(22)
            Dim keyText As String = String.Format("[{0}]", key)

            HttpContext.Current.Response.Output.Write(keyText & "<br/>")

            'Text.Replace(keyText, CurrentPage.Request.Form("ctl00$PlaceHolderMain$" & key))
        End If
    Next
于 2008-10-02T09:24:12.727 回答