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Class TDBWPEvalEngine

Hierarchy

System.TObject | System.Classes.TPersistent | System.Classes.TComponent | WPEval.TWPCustomEvalEngine | TDBWPEvalEngine

Description

To register a data set with the TDBWPEvalEngine use DBWPEvalEngine.AddDataSet( Alias, Dataset)
The Alias will be expected before the . in a field name, i.e PRODUCTS.PRICE will read out the field price of the table products.

Properties

Property ControlledObject : TControl

Property DefaultDataSet : TDataSet

Property DefaultDBAlias : string

Property FieldNotFoundText : string

Property Functions : TStrings

Property Macros : TStrings

Property Variables : TStrings

Methods

Events

OnDBCommand : TWPExecuteDatabaseCommand= TWPExecuteDatabaseCommand

OnError : TWPEvalErrorEvent= TWPEvalErrorEvent

OnFunction : TWPReadFunctionResult= TWPReadFunctionResult

OnGetErrorMessage : TWPEvalGetErrorMessage= TWPEvalGetErrorMessage

OnProcessMessages : TNotifyEvent= procedure (Sender : TObject) of Object

OnReadVariable : TWPReadVariableValue= TWPReadVariableValue

OnWriteVariable : TWPWriteVariableValue= TWPWriteVariableValue

Used or referenced by

-Property TWPFormulaInterface.EvalEngine : TWPCustomEvalEngine
-Property TWPFormulaInterface.EvalEngine : TWPCustomEvalEngine