[This page][1] explains the new feature: **ASP.Net 4** adds 2 new Meta tag related properties to the Page. They can be used to set meta tags for keywords and description.
**You can set them in the code behind:**
Page.MetaKeywords = "keyword1, keyword2, keyword3";
Page.MetaDescription = "Example of new meta tag support in ASP.Net 4";
**You can also set in the @Page directive:**
<%@ Page Language="C#" AutoEventWireup="true"
MetaKeywords="keyword1, keyword2, keyword3"
MetaDescription="Example of new meta tag support in ASP.Net 4"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
The ouput of either of these methods renders html similar to the following:
<!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>
<title>
ASP.NET 4 Meta Tag Support
</title>
<meta name="description" content="Example of new meta tag support in ASP.Net 4" />
<meta name="keywords" content="keyword1, keyword2, keyword3" />
</head>
<body>
</body>
</html>
[1]:
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