Comparing .NET values
When comparing .NET variables, including Enums, you cannot use C/AL comparison operators. To compare .NET variables, you must use the Equals method (of the System.Object type) that all .NET types implement…
Careful with Microsoft.Dynamics.NAV JavaScript object
Make sure that you don't access the Microsoft.Dynamics.NAV JavaScript object before the document ready event fires. If you do so, you might experience problems on Chrome when the user refreshes…
Formatting for XML
When you have to format C/AL variables (numbers, dates/times, booleans) for exchange with other apps, call FORMAT(variable,0,9) instead of simply FORMAT(variable). The format 9 formats the variable according to XML…
Do you have a value, Mr. BLOB?
To check if a BLOB field has a value, you call its HASVALUE function. For example: IF Item.Picture.HASVALUE THEN; In older versions, earlier than NAV 2009, you had to call…
Improving semantics through function properties
Any function that accepts only one parameter can be called as if it were a property, and this applies to built-in system functions, your own custom functions, and even .NET…