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xsl:if / xsl:when

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xsl:if / xsl:when XML Programming forum discussing XML and related technologies, including XUL and XSL. XML is a self-describing file format, designed for maximum compatibility between applications.

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  #1  
Old December 19th, 2002, 09:26 AM
jamieB jamieB is offline
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Question xsl:if / xsl:when
what is the diff between these and when should I use either?

TIA
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Old December 21st, 2002, 01:09 AM
MJEggertson MJEggertson is offline
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The when statement is used in conjunction with the choose statement. The end result is a structure similar to switch statements in languages like C++, javascript, etc.

So, you use an if statement if you simply want to test a single condition for validity. If you need to test a series of conditions similar to an if...else if...else if... structure, you would use the chose/when elements.

Reference: when @ w3schools
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Old December 23rd, 2002, 05:00 AM
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It's important to note that xslt has no "else" clause, so you have to use choose/when if you want to specify a default condition.
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Old December 23rd, 2002, 06:06 PM
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thank you chaps.
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