Return Values
| Value | Meaning |
|---|---|
| 1 | Primary key |
| >1 | Key number of a candidate key |
| "" | An error occurred |
| Value | Error constant | Meaning |
|---|---|---|
-1304
|
<UPROCERR_UNKNOWN_CONTEXT>
|
Function not allowed, unknown context.
For example, $curkey was encountered in an incorrect trigger. |
Use
Allowed only in a validateKey or leaveModifiedKey trigger.
Allowed in all component types, except self-contained Reports.
Description
The $curkey function returns the key number in the current occurrence for which the validateKey or leaveModifiedKey trigger was activated.
Example: Validating Keys and Error Handling
The following example uses the $curkey function to perform specific validation for each key and otherwise reports the error and context using $procerror and $procerrorcontext.
trigger validateKey
selectcase $curkey
case 1 ;perform validation for the primary key
...
case 2 ;perform validation for candidate key #2
...
case 4 ;perform validation for candidate key #4
...
elsecase
message "Error %%$procerror occurred at %%$procerrorcontext"
message "Context: %%$dataerrorcontext"
endselectcase
end; validateKey
