alguidelines/content/docs/NAVPatterns/3-cal-coding-guidelines/localizability/use-text-constants/index.md
2022-02-24 14:45:35 +01:00

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Markdown

+++
title = "Use Text Constants"
weight = 1360
tags = ["C/AL"]
categories = ["Best Practice"]
+++
Pass user messages using Text Constants. It makes translation easy.
Bad code
```al
ImportAttachmentQst@1021 : TextConst 'ENU="Import attachment "';
...
IF CONFIRM(ImportAttachmentQst + Caption +'?',TRUE) THEN BEGIN
```
Good code
```al
ImportAttachmentQst@1021 : TextConst 'ENU="Import attachment %1?"';
...
IF CONFIRM(STRSUBSTNO(ImportAttachmentQst, Caption),TRUE) THEN BEGIN
```
Bad code
```al
...
IF NOT
CONFIRM(
STRSUBSTNO(
'Difference on Periodic entries: %1 on %2' +
'Do you want to continue?',Balance,Date),
TRUE)
THEN
ERROR('Program terminated by the user');
```
Good code
```al
DiffOnPeriodEntiesQst@100 : TextConst 'ENU="Difference on Periodic entries: %1 on %2\\ Do you want to continue?"';
ProgramTerminatedErr@200 : TextConst 'ENU="Program terminated by the user"';
...
IF NOT CONFIRM(STRSUBSTNO(DiffOnPeriodEntiesQst,Balance,Date),TRUE) THEN
ERROR(ProgramTerminatedErr);
```