Data.SqlExpr.TCustomSQLDataSet.BeforeOpen
Delphi
property BeforeOpen;
C++
__property BeforeOpen;
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
event | published | Data.SqlExpr.pas Data.SqlExpr.hpp |
Data.SqlExpr | TCustomSQLDataSet |
Description
Occurs before an application executes a request to open a dataset.
Data.SqlExpr.TCustomSQLDataSet.BeforeOpen inherits from Data.DB.TDataSet.BeforeOpen. All content below this line refers to Data.DB.TDataSet.BeforeOpen.
Occurs before an application executes a request to open a dataset.
Write a BeforeOpen event handler to take specific action before an application opens a dataset for viewing or editing. BeforeOpen is triggered when an application sets the Active property to true for a dataset or an application calls Open.
BeforeOpen is an event handler of type Data.DB.TDataSetNotifyEvent.