TMasterParamsDataLink class
Class to establish a master-detail relationship between dataset, based on parameters.
Declaration
TMasterParamsDataLink = class(TMasterDataLink)Inheritance
- TMasterParamsDataLink
- TMasterDataLink
- TDetailDataLink
- TDataLink
- TPersistent
- TObject
Description
TMasterParamsDataLink is a
TDataLink descendent that can be used to establish
a master-detail relationship between 2
TDataset instances where the detail dataset is
parameterized using a
TParams instance. It takes care of closing and opening the detail
dataset and copying the parameter values from the master dataset whenever the data in the master
dataset changes.See also
Properties
Params | public | Parameters of detail dataset. |
Methods
DoMasterDisable | protected | |
DoMasterChange | protected | |
Create | public | Initialize a new TMasterParamsDataLink instance. |
RefreshParamNames | public | Refresh the list of parameter names. |
CopyParamsFromMaster | public | Copy parameter values from master dataset. |
Inherited
From TMasterDataLink (10)
ActiveChanged CheckBrowseMode Destroy FieldNames Fields GetDetailDataSet LayoutChanged OnMasterChange OnMasterDisable RecordChanged
From TDetailDataLink (1)
From TDataLink (31)
Active ActiveRecord BOF BufferCount DataEvent DataSet DataSetChanged DataSetScrolled DataSource DataSourceFixed Edit Editing EditingChanged Eof ExecuteAction FirstRecord FocusControl GetActiveRecord GetBOF GetBufferCount GetEOF GetRecordCount MoveBy ReadOnly RecordCount SetActiveRecord SetBufferCount UpdateAction UpdateData UpdateRecord VisualControl
From TPersistent (8)
Assign AssignTo DefineProperties FPOAttachObserver FPODetachObserver FPONotifyObservers GetNamePath GetOwner
From TObject (40)
AfterConstruction BeforeDestruction CheckDisposed ClassInfo ClassName ClassNameIs ClassParent ClassType CleanupInstance DefaultHandler DefaultHandlerStr Dispatch DispatchStr Disposed DisposeOf Equals FieldAddress Free FreeInstance GetDisposed GetHashCode GetInterface GetInterfaceByStr GetInterfaceEntry GetInterfaceEntryByStr GetInterfaceTable GetInterfaceWeak GetLastCastErrorInfo InheritsFrom InitInstance InstanceSize MethodAddress MethodName newinstance QualifiedClassName SafeCallException StringMessageTable SystemHasExtendedRTTI ToString UnitName
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.