c# - Preventing the duplication of CSS files? -


I have got a user control that applies the context of a CSS file, now I use this user control multiple times on the page I would like to use, and this will duplicate the inclusion of a CSS file.

This ScriptManager with javascript files.

Is Simple by using, then ScriptManager ?

There is no easy way to check that the styles have been registered on a page such as client script utility .

If you register your style on the page as an external CSS file: 

  HtmlLink link = new HtmlLink (); Link.Href = Relative Path; Link.Attributes ["type"] = "text / css"; Link.Attributes ["rel"] = "stylesheet"; Page.Header.Controls.Add (link);

If you are searching for the page header's control collection and the path of the CSS file, you can check it.


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