[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'db' (#fcl)

TParam.IsNull

Is the parameter empty

Declaration

Source position: db.pas line 1760

public property TParam.IsNull: Boolean
  read GetIsNull;

Description

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

See also

TParam.Clear

  

Clear the parameter value

TParam.Value

  

Value as a variant
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