' In your aspx source code do:

<meta id="metaDescription" name="description" content="" runat="server" />

' In your aspx code behind do:

metaDescription.Content = "Description goes here"

http://codefinds.blogspot.com/2007/11/editing-meta-tags-from-code-behind.html

Dynamically change the content of meta tags from the code behind. This allows you to feed the meta tags with content from a database or other dynamic content.

Editing Meta Tags From Code Behind

code

VB.NET