MACROMEDIA COLDFUSION MX 61-CFML Informacje Techniczne Pobierz pdf (Strona 112)

112 Chapter 10: Lesson 7: Validating Data to Enforce Business Rules

Note: You have already entered validation code for business rule 1. Validation code for business rule

10 is described in more detail later in this lesson.

Rule Description Validation code

2 All trips must be accompanied

by a full description.

Trip description cannot be blank.

</cfoutput>

</cfif>

3 Each trip must be categorized

by event type. Only valid event

types (1-surfing, 2-mountain

climbing, and so on) are

permissible.

Because event type 1 (surfing) is selected by default, there is

always a value for event type.

4 Trip locations are required.

Trip location cannot be blank.

</cfoutput>

</cfif>

5 The maximum number of

people permitted on the trip

must be specified.

<!--- Number of people is required and must be

numeric. --->

<cfif Form.numberPeople EQ "" or

IsNumeric(Form.numberPeople) EQ False>

The number of people must be a number and

cannot be blank.

</cfoutput>

</cfif>

6 The trip departure and return

dates must be specified for

each trip.

All trip dates must be valid

future dates. Departure date

must precede return date.

Departure date cannot precede return date.

Please re-enter.

</cfoutput>

</cfif>

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