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Chapter 10. Writing CFX Tags in Visual C... > Building Your Second CFX Tag: CFX_Qu...

Building Your Second CFX Tag: CFX_QueryAddColumn

One of the important things the CFX classes allow you to do is manipulate query result sets. Each CFX tag can have a QUERY parameter that receives any query's results from the calling template so the tag can work with the results somehow. Each CFX tag can also create new query result sets in the calling template, which can then be used by the calling template just like the results of a CFQUERY tag. You build a tag called CFX_QueryAddColumn to experience the query-manipulation capabilities of the CFX classes.


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