ColdFusion Developer's Guide - Electromanuals.org

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Ofrecido por www.electromanuales.com )# ADOBE COLDFUSION 8 ColdFusion Developer’s Guide This technique can be useful if you want to temporarily comment out parts of expressions or optional attributes or arguments. You can also nest comments, as the following example shows: #errormessage1# ---> This is useful if you want to temporarily disable a section of code while you test your application. You can embed comments within comments, however, you should use this technique carefully. Note: You cannot embed comments inside a tag name or function name, such as
Ofrecido por www.electromanuales.com ADOBE COLDFUSION 8 ColdFusion Developer’s Guide In most cases, you specify tag attributes directly in the tag using the format attributeName=”attributeValue”, as the preceding example shows. However, as an alternative, you can put all the attributes in a structure and specify the structure in a single attributeCollection attribute, using the following format: When you use this format for all built-in ColdFusion tags except cfmodule, the tag must have only the attributeCollection attribute. This format is useful when you use dynamic arguments, where the number and values of the arguments to a tag can vary based on processing results. The following example shows this usage: #cfhttp.fileContent# Note: The attributeCollection attribute used in the cfmodule tag and when calling custom tags directly is different from the attributeCollection attribute for all other tags. In the cfmodule tag and in custom tags, you can mix the attributeCollection attribute and explicit custom tag attributes. Also, in the cfmodule tag, the attributeCollection attribute cannot contain the name and template attributes. You must specify these attributes directly in the cfmodule tag. You can use the attributeCollection attribute in all tags except the following: cfargument cfelseif cflogout cfset cfbreak cffunction cfloop cfsilent cfcase cfif cfparam cfswitch cfcatch cfimport cfprocessingdirective cftry cfcomponent cfinterface cfproperty cfdefaultcase cflogin cfrethrow cfelse cfloginuser cfreturn Built-in tags Built-in tags make up the heart of ColdFusion. These tags have many uses, including the following: • Manipulating variables 12
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about 343 Excel spreadsheet 1058 us
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