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ASP.NET: Keep The Content-type In Sync
By Mads Kristensen
Expert Author
Article Date: 2007-01-23
Most websites include a meta-tag that tells the browser what content-type the document is. It looks like this:
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
All ASP.NET web applications also adds the content-type to the HTTP headers of the response by default and to avoid surprises you should make sure the header and meta-tag inform the browser about the same content-type.
You can specify the content-type on individual pages or globally in the web.config like so:
<globalization responseEncoding="UTF-8" requestEncoding="UTF-8" />
To avoid giving the browser two different content-types you can use this little method and put it in the master page.
private void AddMetaContentType()
{
HtmlMeta meta = new HtmlMeta();
meta.HttpEquiv = "content-type";
meta.Content = Response.ContentType + "; charset=" + Response.ContentEncoding.HeaderName;
Page.Header.Controls.Add(meta);
}
It will add a meta-tag that specifies the same content-type as the HTTP header does.
That way you just have to change the encoding in the web.config and it will automatically change the meta-tag accordingly.
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About the Author:
Mads Kristensen currently works as a Senior Developer at Traceworks located
in Copenhagen, Denmark. Mads graduated from Copenhagen Technical Academy with a multimedia degree in
2003, but has been a professional developer since 2000. His main focus is on ASP.NET but is responsible for Winforms, Windows- and
web services in his daily work as well. A true .NET developer with great passion for the simple solution.
http://www.madskristensen.dk/
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