The asp.net masterpage is not utilizing the stylesheet

I have the code snippet below in the MasterPage.master file of my project:

<%= ConfigurationManager.AppSettings("System").ToString() %>

<asp:ContentPlaceHolder ID="Stylesheets" runat="server">
    <link rel="Stylesheet" href="/App_Data/Styles/Site.css" type="text/css" />
</asp:ContentPlaceHolder>

<%
    If (ConfigurationManager.AppSettings("Mode").ToString() = "TEST") Then
%>
<style type="text/css">
    body {
        background: #99cccc;
    }
</style>
<%
End If
%>

I am looking to make a change from using this:

<%--<div style="text-align:center">--%>

to using this instead:

<div class="masterpagediv">

The CSS rule written in the stylesheet is as follows:

.masterpagediv {
    text-align: center;
}

I suspect there may be an issue with how the CSS file location is referenced in the href attribute, which might explain why the styling rule is not taking effect on the tag.

This project did not utilize CSS prior to my involvement. Do I need to enable something in order to use CSS effectively?

Thank you.

Answer №1

Is your additional styling functioning correctly?

You could try adding a background color to the class to confirm it is being applied correctly.

Based on the code you provided, there doesn't seem to be a div with that specific class. It might be worth checking to ensure the style is being applied as intended.

Something else to consider - I recently encountered an issue where I had to configure the CSS MIME type in IIS. When this setting is missed, there won't be any errors but the styling won't be displayed properly. It's odd, but it happened to me.

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