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Developing Websites using Themes (Themes in Web Configuration File): Part 6

Posted by Abhimanyu K Vatsa Articles | Visual Basic .NET November 10, 2012
This is my series of articles on Theme based web developments and in this article part we will discuss how to register Themes in Web.config file and how to eliminate theme use from content page.
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Introduction

We have lots of choices to work with Themes management. Rather than add the Theme or StyleSheetTheme attribute to each and every page to which we want to apply a Theme, we can register a Theme for all pages in your application in the web configuration file.

The Web.Config file given below applies the Site Theme to every page in an application.

Web.config Code

<?xml version="1.0"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
 
-->
<
configuration>
       <
system.web>
              <
compilation debug="true" strict="false" explicit="true" targetFramework="4.0"/>

    <pages theme="Simple" />
    <!--or
    <pages styleSheetTheme="Simple" />
   
-->
  </
system.web>
</
configuration>

In above configuration file I have used <page theme="Simple" />, we also can use <pages styleSheetTheme="Simple" />. This tag helps to apply the theme in entire pages. The code given below has even no <%@ Page Language="VB" Theme="Simple" %> underlined tag but theme will work that is only because of configuration settings.

Default.aspx Code

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>

<!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>

    <asp:Calendar
        id="Calendar1"
        Runat="server" />

    </div>
    </form>
</body>
</
html>

The page given below has the EnableTheming="false" in head declaration so this page will not use the configuration theme settings.

Default2.aspx Code

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default2.aspx.vb" Inherits="Default2" EnableTheming="false"%>

<!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>

    <asp:Calendar
        id="Calendar1"
        Runat="server" />

    </div>
    </form>
</body>
</
html>

Note: Continue in next part.

HAVE A GREAT CODING!

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