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Able to include file in ASP.NET, but not check if it exists.

Answer 1

+2 A:

Try

exists = System.IO.File.Exists(Server.MapPath("~/extra/file/test.txt"));

John Boker 2010-01-18 20:21:57

The Server.MapPath did it, indeed. The tilde did add a few maps to the structure, so I had to remove it, but still: success.

skerit 2010-01-18 21:03:06

Answer 2

+1 A:

Server side includes (SSI) are executed before your code, so you can't do this way.

If your included file is just static information (i.e. without server-side code), you can do something like:

string file = Server.MapPath("~/extra/file/test.txt");
if(System.IO.File.Exists(file))
{
    Response.Write(System.IO.File.ReadAllText(file));
}

Rubens Farias 2010-01-18 20:34:49

It's going to be content, indeed. This works like a charm.

skerit 2010-01-18 21:04:25

Answer 3

+2 A:

Server-side includes are legacy ASP code and cannot be conditional. However, since you are using C# ASP.NET code, you can just read the file and output it using C# instead of the server-side include.

Here, if you get an error with your code, it is probably because something else is not configured properly for you to use it (security settings, maybe?).

Jason Kealey 2010-01-18 20:37:20

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Able to include file in ASP.NET, but not check if it exists.

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