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Glenn BrandSubject: XPath documentation confusion
Author: Glenn Brand
Date: 28 Dec 2007 01:38 AM
Originally Posted: 28 Dec 2007 01:37 AM
I get this when I follow the documentation below:

PatientStatement.xslt (387, 57)
Function "if" does not exist (or is invalid XSL).
in attribute value template

Format Data Conditionally
The last action we will perform on the table is to write an XPath expression to display the `R' rating for movies in a bold red.

Click the rating glyph.
In the Properties window, expand the Default Color property.
Click the XPath field, and then click the "more" button ( ).
Stylus Studio displays the XPath Editor dialog box.

Type the following XPath expression:
if (rating = 'R') then 'red' else ""

Notice Stylus Studio's Sense:X auto-completion and text coloring as you type.

Figure 496. XPath Editor Dialog Box
Click OK.
Next, use the same process to enter this XPath expression for the Bold property:
if (rating = 'R') then 'bold' else ""
Click Preview ( ).
Our report now looks like this:

Figure 497. Finished Example Report

I am trying to solve the conditional problem. Running out of options.

(Deleted User) Subject: XPath documentation confusion
Author: (Deleted User)
Date: 28 Dec 2007 06:28 AM
Hi Glenn,
the "if" conditional statement is only part of XPath 2.0, so you should be generating either into XSLT 2.0 or XQuery 1.0, not XSLT 1.0.

Hope this helps,

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