alguidelines/content/docs/NAVPatterns/3-cal-coding-guidelines/design/parameter-placeholders/index.md

+++ title = "Parameter Placeholders" weight = 920 tags = ["C/AL"] categories = ["Best Practice"] +++ The number of parameters passed to a string must match the placeholders.

Bad code

CannotDeleteLineErr@1005 : TextConst 'ENU=You cannot delete this line because one or more rating values exists.';
...
ERROR(CannotDeleteLineErr,TABLECAPTION);

Good code

CannotDeleteLineErr@1005 : TextConst 'ENU=You cannot delete this line because one or more rating values exists.';
...
ERROR(CannotDeleteLineErr);

Bad code

CannotUseThisFieldErr@1020 : TextConst 'ENU=You cannot use this field for %2 fields.';
...
ERROR(CannotUseThisFieldErr,0,Field.Class);

Good code

CannotUseThisFieldErr@1020 : TextConst 'ENU=You cannot use this field for %1 fields.';
...
ERROR(CannotUseThisFieldErr,Field.Class);