Symptom
You cannot specify an empty string for an optional string
parameter through the refresh prompts page which displays "no
value" unlike the parameter panel.
Cause
The issue has been identified and tracked under
ID ADAPT00789581.
Resolution
This is by design.
Keywords
CR2008 CR 2008 XIR3 XI R3 XI3.0 XI3 3 3.0 TITAN RN , 7026217 , KBA , BI-RA-CR , Crystal Reports designer or Business View Manager , Bug Filed
Product
Crystal Reports 2008 V0