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Asked: 2026-06-12T13:07:53+00:00

I was reading about how to work with SqlDataSource objects by adding properties in

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I was reading about how to work with SqlDataSource objects by adding properties in the markup, and for the ConnectionString property, the author used something like

<asp:SqlDataSource ... ConnectionString="<%$ ConnectionStrings:lyric %>" ... >

The use of <%$ %> is new to me and the author didn’t really explain it. I mean, I can see pretty easily what it does in this instance.

But, I want to learn the syntax inside <%$ %> to access other things inside Web Config. I don’t know what this type of markup is called so I can’t google it. I’m having a rough time finding it.

Do tags like <%@ %>, <%# %>, and <%$ %> have a special blanket name? (so I can learn other variations)
Is there a specific name for <%$ %>? (so I can look it up and learn the syntax)

Thanks in advance

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1 Answer

  1. Editorial Team

    They are called “ASP.NET inline expressions” or “ASP.NET inline code-blocks”. You can learn more about them here: http://support.microsoft.com/kb/976112

    <%$ … %> is the syntax for an expression builder.

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