Classe TUiDmxScroller_sql
Unit
Declaração
type TUiDmxScroller_sql = class(TDmxScroller_sql_Atributos)
Descrição
A classe TUiDmxScroller_sql
implementa o acesso ao banco de dados usando o atributo CustomBufDataset
NOTA
O atributo CustomBufDataset pode ser TBufDataset não conectado a banco de dados sql e TCustomSQLQuery conectado ao banco de dados SQL.
REFERÊNCIA
[Working_With_TSQLQuery](https://wiki.freepascal.org/Working_With_TSQLQuery)
[Parameters_in_TSQLQuery](https://wiki.freepascal.org/Working_With_TSQLQuery#Parameters_in_TSQLQuery.SQL)
[sql-basico](https://www.devmedia.com.br/sql-basico/28877)
Hierarquia
- TUiConsts
- TUiMethods
- TUiDmxScroller
- TDmxScroller_sql_Atributos
- TUiDmxScroller_sql
Visão Geral
Campos
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_DataSource: TDataSource; |
Métodos
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procedure SetDataBase; |
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constructor Create(aOwner:TComponent); Override; |
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function GetkeysPrimaryComposite(I : Integer):AnsiString; |
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function GetKeysPrimary:AnsiString; |
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Function CreateTable: Boolean; |
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Function AlterTable: Boolean; Virtual; |
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Function SetSqlCustomBufDataset:Boolean; Virtual; |
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Procedure CreateCustomBufDataset_FieldDefs; override; |
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function GetTemplate(aNext: PSItem) : PSItem; overload; override; |
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function GetBuffers:Boolean; Override; |
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function PutBuffers:Boolean; override; |
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procedure SetActiveLCL(aActive: Boolean); override; |
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Procedure DoOnNewRecord; Override; |
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Function DoAddRec:Boolean; override; |
Propriedades
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property DataSource : TDataSource Read _DataSource Write _DataSource; |
Descrição
Campos
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_DataSource: TDataSource; |
Métodos
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procedure SetDataBase; |
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constructor Create(aOwner:TComponent); Override; |
Constrói o componente |
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function GetkeysPrimaryComposite(I : Integer):AnsiString; |
O método |
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function GetKeysPrimary:AnsiString; |
A função
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Function CreateTable: Boolean; |
A função |
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Function AlterTable: Boolean; Virtual; |
O método
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Function SetSqlCustomBufDataset:Boolean; Virtual; |
O método
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Procedure CreateCustomBufDataset_FieldDefs; override; |
O método |
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function GetTemplate(aNext: PSItem) : PSItem; overload; override; |
O método
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function GetBuffers:Boolean; Override; |
O método |
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function PutBuffers:Boolean; override; |
O método |
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procedure SetActiveLCL(aActive: Boolean); override; |
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Procedure DoOnNewRecord; Override; |
O método
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Function DoAddRec:Boolean; override; |
O método
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Propriedades
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property DataSource : TDataSource Read _DataSource Write _DataSource; |
A propriedade
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