Unit 'DB'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]	[#fcl]

TParam.IsNull

Is the parameter empty.

Declaration

Source position: db.pas line 1488

public property TParam.IsNull : Boolean read GetIsNull;

IsNull is True is the value is empty or not set (Null or UnAssigned).

TParam.Clear		Clear the parameter value.
TParam.Value		Value as a variant.