CSS include with MVC
So I know there are various ways of doi开发者_运维知识库ng, however I'd like to know the "proper" way of including a specific CSS dynamically based on the page I am on. I could include all of them within the site master, however I'm wondering if I could simply include them ONLY when I need it, by either evaluating URL or passing a value through the controller for display flag, or just include it within the content page (outside of the head tags)... I'd like to keep it clean and link them all through my site master, but I'd like to be able to evaluate the page I'm on before I include that CSS..... thoughts??
No matter what its going to be something like this:
<% if( someCriteria ) { %>
<stylesheet type="text/css" href="mypath" />
<%} %>
You could wrap it in a helper or whatever but I don't think there can be a best practice or "cleaner" way of doing something this simple.
" I could include all of them within the site master, however I'm wondering if I could simply include them ONLY when I need it"
Another way to look at this is CSS files are cached by the browser so you may as well include it once and be done with. Your visitors may have a slightly longer initial load time but if you keep your CSS files small it will be barely noticeable. There is very little performance benefit by making it dynamic.
If you're using the Spark view engine, you can use the once attribute on your css include. I personally just put everything on the site master and let the browser handle caching.
http://sparkviewengine.com/documentation/expressions#Conditionalattributeonce
Good, bad, or indifferent, the thing I have been doing for years with master pages is include a ContentPlaceHolder in the <head> section of the master page. I can then inject page-specific CSS through that, instead of cluttering my master page with alot of processing logic. I am doing the same thing with my ASP.NET MVC solutions.
What I typically do is add a to the master in the to allow for pages to include things there. More often than not it is scripts rather than stylesheets, but it works for both.
I'd also vote for getting a Html helper in place to handle this so your developers don't need to care about exactly where the stylesheet is loaded from . . .
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