The following table provides an overview of the new or changed C/AL data types, functions, properties, and triggers in Microsoft Dynamics NAV 2009. For more information about the changes, see the specific topic about the data type, function, property, or trigger.
| Data type, function, property, or trigger | Change |
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Not supported in Microsoft Dynamics NAV 2009. |
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In previous versions of Microsoft Dynamics NAV, if you evaluate a Code variable in a CASE statement, then each value set is converted to Code data types. In Microsoft Dynamics NAV 2009, if you evaluate a Code variable in a CASE statement, then the value sets are not converted to Code data types. For more information, see C/AL Conditional Statements. |
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Not supported on multidimensional arrays. |
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New ShareTable parameter. |
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Earliest valid Date changed from January 1, 0000 to January 3, 0001. |
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Earliest valid DateTime changed from January 1, 0000, 00:00:00.000 to January 3, 0001, 00:00:00.0000000. |
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The Decimal data type is mapped to the Microsoft .NET Framework common language runtime (CLR) Decimal data type, and the precision and limits are slightly different than the Binary Coded Decimal (BCD) data type in previous versions of C/AL. |
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New in Microsoft Dynamics NAV 2009. |
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If the RecordRef refers to a temporary table, then the NUMBER function returns the ID of the originating physical table and not the run-time generated sequence ID of the temporary table. |
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The Variable parameter must be the maximum length for the type of the variable. |
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If the RecordID refers to a temporary table, then the TABLENO function returns the ID of the originating physical table and not the run-time generated sequence ID of the temporary table. |
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If you use the TEXTMODE function on a file that is already open, then an error will occur. |
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Precision is in increments of 100 nanoseconds. |
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If an automation method returns a byte string (bstr) in a variant, then you cannot assign that variant directly to a field that is a Code data type. Instead, you must first assign the variant to a code variable and then assign the code variable to the FieldRef value. |