CFPARAM works only when type = "any" and default =""

I'm trying cfparam is adds a custom tag to validate data. However, it still errors on data valid.

It works:

<!--this is test2.cfm page-->
< model cfmodule = "components/test2component.cfm" columns = 14 >

<!-what is components / test2component.cfm->


< name cfparam = "columns" type = "any" default = "" >

#attributes.columns # < cfoutput > < / cfoutput >
< a href = "#goTop" title = "Go to the top of the page" > top < /a >

<!-the output is->

14 
          <a href="#goTop" title="Go to top of page">Top</a>

-----------------------------------------------------------------------------------------

But when I change the component:

< name cfparam = "columns" type = "integer" default = "" >

#attributes.columns # < cfoutput > < / cfoutput >
< a href = "#goTop" title = "Go to the top of the page" > top < /a >

I get this:

Invalid parameter type.

The value specified, ", must be a valid integer.

-----------------------------------------------------

When I change the component:

< name cfparam = "columns" type = "integer" >

#attributes.columns # < cfoutput > < / cfoutput >
< a href = "#goTop" title = "Go to the top of the page" > top < /a >

I get this:

The columns of required parameter was not provided.

This page uses the cfparam tag to declare parameter columns as required for this model. The setting is not available. Make sure you have spent or initialized the parameter correctly. To set a default value for the parameter, use the default attribute of the cfparam tag.The error occurred in D:\Inetpub\wwwroot\endpoints\components\test2component.cfm: line 19

Any suggestions?

I suspect that it is a question of importance.

Data provided to a custom tag, such as you show in this line.



Are accessed from the attributes scope.

Your  variable as shown in this line:

Is not specifying a scope for the columns variable so ColdFusion is guessing.

Try this line.


Tags: ColdFusion

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