Checks a bound variable for 'NULL' condition

When reading data from a database, certain columns may be set to NULL -- an unknown variable state. To test for this special condition, use the SIML IsNull Function.

Sample Source If (IsNull MyVariable) Then Say "I do not know the value" Else Say "MyVariable = " + MyVariable EndIf

Related Function(s):
   BindColumn;

Minimum version: 1.0