Set an INPUT or INPUT-OUTPUT parameter to the Unknown value (?)
- Last Updated: February 11, 2026
- 1 minute read
- OpenEdge
- Version 13.0
- Documentation
For INPUT or INPUT-OUTPUT parameters,
you can set an input value to the Unknown value (?) by
setting the Value property on the holder object
to null.
So, in C#, to set the value of a holder object (Holder) to
the Unknown value (?), use the Value property,
as shown:
Syntax
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