Use a variable in an attribute constructor

Question

Is it possible to use a variable in an attribute constructor, something like this below:

[Foo(bar)]
public string Baz { get; set; }

Answer 1

The question is valid, but it contains references to irrelevant context. It should really be written like so:

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Is it possible to use a variable in an attribute constructor, something like this below:

[Foo(bar)]
public string Baz { get; set; }

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The answer, as Stephen Muecke says, is no.

attributes add metadata and are evaluated a compile-time so therefore must be constants