Question : Import vs. link

just curious. i'm using Visual Web Developer 2008 Express Edition and for some reason my style sheet (which is located at App_Themes ->Default ->tests.css in my site directory structure) was not able to be found using the standard <link> designation (commented out in the attached code), but was able to be found using the style tag and import, is there any particular reason why this would happen? maybe something in general i'm missing?

      
        
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          <%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" 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 id="Head1" runat="server">
<title>test</title>
    <%--<link rel="stylesheet" href="/App_Themes/Default/tests.css" type="text/css" />--%>
    <style type="text/css">
        @import url(App_Themes/Default/tests.css);
    </style>
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Question : Import vs. link

Answer : Import vs. link

Could be hardware (failed NIC, RAM, expansion card), or could be a corrupt driver....system restore time.