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IsNull

Result = IsNull ( Expression ) AS Boolean

Returns TRUE if Expression is NULL, i.e. if it is:
  • The NULL constant.

  • A null object reference.

  • A zero length string.

  • A null date.

  • An uninitialized variant.

Examples

PRINT IsNull(Null) 
True

PRINT IsNull("Gambas") 
False

PRINT IsNull("") 
True

PRINT IsNull(False) 
False

See also