Retrieve top level master page from BasePage

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8.2

Retrieve top level master page from BasePage

Asked by ddl_ex5 in Programming for ASP.NET, .NET Framework 2.x

Hey,

I have a web app which has a BasePage.vb in the app_code which all my aspx pages inherit from throughout the entire web app.

I have a root site.master page, then at each level could be 5 folders deep i have a app.master page.i.e.

I have a section of code on my site.master (panel with controls to display on page).
On my BasePage i have a public sub which can get called from any of the aspx pages which should look for the root master page to fin the panel and controls and display the emssage accrodingly.

My issue is I do not want to use a RecursiveControl finnder to get to the root master page.

Please see my code as clear explaintions

The code works but I have read articles like http://www.oshyn.com/BlogRetrieve.aspx?BlogID=2583&PostID=76470 which state that performance is going ot be a problem, and the last thing i want is to slow down the web app.

also looked at http://weblogs.asp.net/scottgu/archive/2005/11/11/430382.aspx but i do not want to set the root master page at runtime as each master page is laid out different where some have some contentplaceholders and some don't.

many thanks in advance for your help

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             Site.master
<asp:Panel ID="myPanel" runat="server">
        <asp:Label ID="lbl1" runat="server" CssClass="status_title" />
        <br />
        <asp:Label ID="lbl2" runat="server" />
    </asp:Panel>
 
BasePage
    Public Sub Alert(ByVal message As String, Optional ByVal type As prompt_type = prompt_type.type_error)
        Dim myPanelAs Panel = DirectCast(FindControlRecursive(Page, "myPanel"), Panel)
        Dim lbl1As Label = DirectCast(FindControlRecursive(Page, "lbl1"), Label)
        Dim lbl2 As Label = DirectCast(FindControlRecursive(Page, "lbl2"), Label)
 
//do my code
    End Sub
 
    Public Shared Function FindControlRecursive(ByVal root As Control, ByVal id As String) As Control
        If id = String.Empty Then
            Return Nothing
        End If
 
        If root.ID = id Then
            Return root
        End If
 
        For Each c As Control In root.Controls
            Dim t As Control = FindControlRecursive(c, id)
            If t IsNot Nothing Then
                Return t
            End If
        Next
        Return Nothing
    End Function
 
default.aspx 
<%@ Page Language="VB" MasterPageFile="~/test/test2/test3/test4/test5/app.master" CodeFileBaseClass="BasePage" 
AutoEventWireup="true" CodeFile="Default.aspx.vb" Inherits="testDefault" Title="test" %>
 
default.aspx.vb
        Try
            Dim sql As New SqlDatabase
            Dim dt As DataTable = sql.FillDataTable("testingfolder5")
        Catch ex As Exception
            Alert(ex.Message)
        End Try

           
         

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Retrieve top level master page from BasePage

Asked by ddl_ex5 in Programming for ASP.NET, .NET Framework 2.x

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