ASA Programming Guide
Adaptive Server Anywhere .NET Data Provider API Reference
AsaParameter class
The maximum number of digits used to represent the Value property.
byte Precision
Read-write
IDbDataParameter.Precision
The value of this property is the maximum number of digits used to represent the Value property. The default value is 0, which indicates that the data provider sets the precision for the Value property.
The Precision property is only used for decimal and numeric input parameters.