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Asked: 2026-05-13T15:55:07+00:00

I have masterpage.master.vb where I have properties, such as; Private _SQLerror As String Public

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I have masterpage.master.vb where I have properties, such as;

 Private _SQLerror As String
    Public Property SQLerror() As String
        Get
            Return _SQLerror
        End Get
        Set(ByVal value As String)
            _SQLerror = String.Empty

        End Set
    End Property

Then I have an aspx page in which I need to use this property in, such as;

 If **[masterpage property sqlerror]** = Nothing Then
            InternalSQLErrLabel.Text = ("No Errors Reported")
        End If

Can anyone give me an idea how to go about this? I’ve tried searching but most articles talk in the context of web controls…

Thanks.

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1 Answer

  1. Editorial Team

    Here you go:

    How to: Reference ASP.NET Master Page Content

    From the article, it looks like

    If Master.SQLerror = Nothing Then
    InternalSQLErrLabel.Text = ("No Errors Reported")
End If

    should work for you.

    Just be sure to add the MasterType directive as described or you might get a type conversion error. (Or you could use a variable of your master page type instead of Master, as daRoBBie suggests in his answer.)

    I have created a test Web site just to test this out, and it works. Here is the full source of the site:


    Site1.Master:

    <%@ Master Language="VB" AutoEventWireup="false" CodeBehind="Site1.master.vb" Inherits="WebApplication1.Site1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        This is the Master Page content.
        <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
        </asp:ContentPlaceHolder>
    </div>
    </form>
</body>
</html>

    Site1.Master.vb:

    Public Partial Class Site1
    Inherits System.Web.UI.MasterPage

    Private _SQLerror As String

    Public Property SQLerror() As String
        Get
            Return _SQLerror
        End Get
        Set(ByVal value As String)
            _SQLerror = String.Empty
        End Set
    End Property
End Class

    WebForm1.aspx:

    <%@ Page Title="" Language="vb" AutoEventWireup="false" MasterPageFile="~/Site1.Master"
    CodeBehind="WebForm1.aspx.vb" Inherits="WebApplication1.WebForm1" %>

<%@ MasterType VirtualPath="~/Site1.Master" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
    This is the Content Page content.
    <asp:Label ID="InternalSQLErrLabel" runat="server" Text="Label"></asp:Label>
</asp:Content>

    WebForm1.aspx.vb:

    Public Partial Class WebForm1
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        If Master.SQLerror = Nothing Then
            InternalSQLErrLabel.Text = ("No Errors Reported")
        End If
    End Sub

End Class

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