ASA Programming Guide
Adaptive Server Anywhere .NET Data Provider API Reference
AsaCommand class
Provides an AsaParameter object for supplying parameters to AsaCommand objects.
AsaParameter CreateParameter( )
A new parameter, as an AsaParameter object.
Stored procedures and some other SQL statements can take parameters, indicated in the text of a statement by a question mark (?).
The CreateParameter method provides an AsaParameter object. You can set properties on the AsaParameter to specify the value, data type, and so on for the parameter.