TdxBackendCustomInMemoryJSONConnection Class
The base class for JSON-based data connection components (TdxBackendInMemoryJSONConnection and TdxBackendDataSetJSONConnection).
Declaration
TdxBackendCustomInMemoryJSONConnection = class abstract(TdxBackendCustomDataConnection)Remarks
A data connection component allows you to bind a backend client component to data. JSON-based Data Connection components store source data in a format compatible with the DevExpress Reports for Web engine (used as the base for TdxReport and TdxDashboardControl components).
Main API Members
The list below outlines key members of the TdxBackendCustomInMemoryJSONConnection class. These members allow you to configure core data connection settings.
Data Connection Settings
- Active
- Specifies if the data connection is active.
- DisplayName
Specifies the data connection’s name both in report/UI layout template designer and Collection Editor dialogs.
The DisplayName property value is used to specify the data connection name within report/UI layout templates.
- ConnectionString
Specifies a connection string (or stores serialized data in the JSON format).
Tip
Refer to the following topic for detailed information on JSON Data: Connection to a JSON Data Source.
General-Purpose API Members
- Collection | Index
- Specify the parent collection component.
Terminal TdxBackendCustomInMemoryJSONConnection Class Descendants
Do not use the TdxBackendCustomInMemoryJSONConnection class directly. Use the following components instead:
- TdxBackendInMemoryJSONConnection
- A component designed for interaction with data stored in memory.
- TdxBackendDataSetJSONConnection
- A component designed to fetch data from one or multiple datasets (TDataSet descendant instances).