MACROMEDIA COLDFUSION MX 61-GETTING STARTED BUILDING COLDFUSION MX Getting Started page 83

The following page shows the expected result:
Reviewing the code
The following table describes the ColdFusion code used to build the Trip Detail page:
Code
<cfquery name="TripQuery"
dataSource="CompassTravel"
maxRows=1>
<cfif IsDefined("URL.ID")>
WHERE tripID = #URL.ID#
</cfif>
Explanation
The tag includes a
cfquery
limits the number of result rows brought back from the
database. In the Trip Detail page, we want to only show a
single row at a time, therefore,
The URL.ID specifies a parameter that can be contained
within the URL that requests this page. If the ID parameter
is passed within the URL, it is used in the SQL query to
identify the tripID to SELECT. You can use the CFML
function to determine if a parameter is passed
IsDefined
within the URL. It can also be used to determine if the user
has entered data in form fields prior to the form post action.
Enhancing the Trip Maintenance application
attribute. This attribute
maxRows
is set to 1.
maxRows
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