cfsetting

Controls aspects of page processing, such as the output of HTML code in pages.

Page processing tags, Variable manipulation tags

<cfsetting 
   enableCFoutputOnly = "Yes" or "No" 
   showDebugOutput = "Yes" or "No" 
   requestTimeOut = "value in seconds" >

cfcache, cfflush, cfheader, cfhtmlhead, cfinclude, cfsilent

ColdFusion MX 6.1: Changed behavior: if the tag has a body, ColdFusion executes its contents.

ColdFusion MX:

Added the requestTimeOut attribute.
The catchExceptionsByPattern attribute is obsolete. It does not work, and causes an error, in releases later than ColdFusion 5.
Changed exception handling: the structured exception manager searches for the best-fit cfcatch handler. (In earlier releases, an exception was handled by the first cfcatch block that could handle an exception of its type.)

Attribute	Req/Opt	Default	Description
enableCFoutputOnly	Required		Yes: blocks output of HTML that is outside `cfoutput` tags No: displays HTML that is outside `cfoutput` tags.
showDebugOutput	Optional	Yes	Yes: If debugging is enabled in the Administrator, displays debugging information No: suppresses debugging information that would otherwise display at end of generated page.
requestTimeout	Optional		Integer; number of seconds. Time limit, after which ColdFusion processes the page as an unresponsive thread. Overrides the timeout set in the ColdFusion Administrator.

The cfsetting requestTimeout attribute replaces the use of requestTmeOut within a URL. To enforce a page timeout, detect the URL variable and use code such as the following to change the page timeout:

<cfsetting RequestTimeout = "#URL.RequestTimeout#">

You can use this tag to manage whitespace in ColdFusion output pages.

If you nest cfsetting tags: to make HTML output visible, you must match each enableCFoutputOnly = "Yes" statement with an enableCFoutputOnly = "No" statement. For example, after five enableCFoutputOnly = "Yes" statements, to enable HTML output, you must have five corresponding enableCFoutputOnly = "No" statements.

If HTML output is enabled (no matter how many enableCFoutputOnly = "No" statements have been processed) the first enableCFoutputOnly = "Yes" statement blocks output.

Note: If the debugging service is enabled and showDebugOutput =" Yes", the IsDebugMode function returns Yes; otherwise, No. ColdFusion MX 6.1 allows a </cfsetting> end tag; however, this end tag does not effect processing. The cfsetting attributes affect code inside and outside the cfsetting tag body. ColdFusion MX ignored code between cfsetting start and end tags.

<p>CFSETTING is used to control the output of HTML code in ColdFusion pages. 
   This tag can be used to minimize the amount of generated whitespace.

<cfsetting enableCFoutputOnly = "Yes">
   This text is not shown
<cfsetting enableCFoutputOnly = "No">
   <p>This text is shown
<cfsetting enableCFoutputOnly = "Yes">
   <cfoutput>
      <p>Text within cfoutput is always shown
   </cfoutput>   
<cfsetting enableCFoutputOnly = "No">
   <cfoutput>
      <p>Text within cfoutput is always shown
   </cfoutput>

cfsetting

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