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Why does the runat-attribute in the head-tag change the way meta tags are handled in ASP.NET?

Answer 1

+3 A:

You can't have a script tag (<% = %>) inside a server control, that's why it's turned into plain text instead of being executed.

You can add the meta tag from the code behind like this:

HtmlMeta meta = new HtmlMeta();
meta.HttpEquiv = "description";
meta.Content = Foo;
Page.Header.Controls.Add(meta);

Guffa 2009-05-24 18:39:23

But <title><%= "Hello, world!" %></title> does work in a head tag with the runat attribute set to "server"

michielvoo 2009-05-28 08:00:42

Title can be controlled through Page.Title as it is.

Broam 2009-12-18 15:19:38

Answer 2

+1 A:

When you add runat=server the Head tag becomes a server control. I guess based on your results that the contents of server controls are not parsed for inline substitutions using the <% ... %> syntax.

You could make the Meta tag a server control as well by adding the runat=server to it and access its attributes programmatically.

Josh Einstein 2009-05-24 18:40:09

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Why does the runat-attribute in the head-tag change the way meta tags are handled in ASP.NET?

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