Error Message

The value entered for the second value is the message that will be printed out at the bottom of the screen when the associated validation evaluates to TRUE for any given input. It is fitted into the print statement as follows :-

PRINT EPOS$:REV.ON$:" <-- inserted here ---> ":REV.OFF$:

Although pure text is expected, it is possible to include variables in the error message provided that the syntactic integrity of the whole PRINT statement is maintained. For instance, if the user wished to incorporate the value just entered into the error message, they would enter it as follows:-

[ 1] [An entry of ":VALUE$:" is not permitted ]

With this error message setup, if the user was to enter XXX and the validation did not accept this as being valid for the given field, the following message would be printed:-

An entry of XXX is not permitted

Up to 70 characters may be entered for this value.

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