validatefields_validate_a_range_of_fields_.htm
Navigation: ABC Library Reference > FileManager > FileManager Methods >====== ValidateFields (validate a range of fields) ====== | |
ValidateFields( firstfield, lastfield [,failed] ), VIRTUAL, PROTECTED, PROC
ValidateField | Validates the specified range of fields in the current record buffer and returns a success or failure indicator. |
firstfield | A numeric constant, variable, EQUATE, or expression that identifies the first field to validate by its position in the FILE declaration. A value of one (1) indicates the first field, two (2) indicates the second field, etc. |
lastfield | A numeric constant, variable, EQUATE, or expression that identifies the last field to validate by its position in the FILE declaration. A value of one (1) indicates the first field, two (2) indicates the second field, etc. |
failed | A signed numeric variable that receives the identifier of the field that failed the validation process. A value of one (1) indicates the first field, two (2) indicates the second field, etc. If omitted, the calling procedure gets no indication of which field failed the validation process. |
The ValidateField method validates the specified range of fields in the current record buffer and returns a success or failure indicator, and otionally identifies the field that failed the validation process.
Implementation:
The ValidateFields method invokes the ValidateField method for each field in the range firstfield to lastfield.
Return Data Type: BYTE
See Also: ValidateField
validatefields_validate_a_range_of_fields_.htm.txt · Last modified: 2021/04/15 15:57 by 127.0.0.1