Warning: Illegal session variable value
When creating a session variable, only character data can be assigned. A warning message is logged if the data assigned to the session variable is not a character type.
A variable in Xbasic has a type. This can be character, numeric, date, time, shorttime, etc. However, session variables should only be character variables. If you try to set a session variable to a non-character value, the Xbasic Error log will show a warning:
Warning: Illegal session variable value. Session.my_date Session variables are restricted to character type only. The variable Session.my_date is about to be set with as non-character value. This code will no longer function in a future software release.
To prevent the warning, you must cast the value you want to store in a session variable to a character value before setting the session variable. The easiest way to cast a value to a character is to concatenate it with an empty character value. For example:
dim number as n = 5 dim string as c string = "" + number
For more information on using session variables and how to convert session variable data to and from a string data type, see Understanding Session Variables: Session Variable Types.