vcl-dxbackend-dot-connectionstring-dot-sql-dot-tdxbackenddatabasesqlconnection-dot-underscore-properties.md
A non-visual component designed to fetch data from a relational database (SQL Server, PostgreSQL, SQLite, etc.).
| Name | Description |
|---|---|
| Active | Specifies if the data connection component is active. Inherited from TdxBackendCustomDataConnection. |
| Collection | Specifies the collection containing the current element. Inherited from TcxComponentCollectionItem. |
| ComObject | Inherited from TComponent. |
| ComponentCount | Inherited from TComponent. |
| ComponentIndex | Inherited from TComponent. |
| Components | Inherited from TComponent. |
| ComponentState | Inherited from TComponent. |
| ComponentStyle | Inherited from TComponent. |
| ConnectionString | Specifies a connection string. |
| DefaultEnableCustomSql | Specifies if custom SQL queries are enabled for all TdxDashboard/TdxDashboardControl and TdxReport components in the application. |
| DesignInfo | Inherited from TComponent. |
| DisplayName | Specifies the data connection name displayed in a template/layout designer and Collection Editor dialogs. Inherited from TdxBackendCustomDataConnection. |
| ID | Gets the unique identifier of the current collection element. Inherited from TcxComponentCollectionItem. |
| Index | Specifies the zero-based index of the current element in the collection. Inherited from TcxComponentCollectionItem. |
| Name | Inherited from TComponent. |
| Observers | Inherited from TComponent. |
| Owner | Inherited from TComponent. |
| Tag | Inherited from TComponent. |
| VCLComObject | Inherited from TComponent. |
See Also
TdxBackendDatabaseSQLConnection Class