DevExtreme Angular - ODataContext API

The ODataContent is an object that provides access to an entire OData service.

import ODataContext from "devextreme/data/odata/context"
Type:

Object

This object creates several ODataStore instances. Each instance accesses an individual entity collection.

TypeScript
  • import ODataContext from "devextreme/data/odata/context";
  • // ...
  • export class AppComponent {
  • context: ODataContext;
  • constructor () {
  • this.context = new ODataContext({
  • url: "http://www.example.com/Northwind.svc",
  • entities: {
  • Categories: {
  • key: "CategoryID",
  • keyType: "Int32"
  • },
  • // An entity collection alias
  • Clients: {
  • name: "Customers",
  • key: "CustomerID",
  • keyType: "String"
  • },
  • Products: {
  • // A composite key
  • key: ["ProductID", "ProductCode"],
  • keyType: {
  • ProductID: "Guid",
  • ProductCode: "Int32"
  • }
  • }
  • }
  • });
  • }
  • }
See Also

Properties

This section describes the ODataContext's configuration options.

Name Description
beforeSend

Specifies a function that customizes the request before it is sent to the server.

deserializeDates

Specifies whether stores in the ODataContext serialize/parse date-time values.

entities

Specifies entity collections to be accessed.

errorHandler

Specifies a function that is executed when the ODataContext throws an error.

jsonp

Specifies whether data should be sent using JSONP.

url

Specifies a URL to an OData service.

version

Specifies the OData version.

withCredentials

Specifies whether to send cookies, authorization headers, and client certificates in a cross-origin request.

Methods

This section describes the methods that control the ODataContext.

Name Description
get(operationName, params)

Invokes an OData operation that returns a value.

invoke(operationName, params, httpMethod)

Invokes an OData operation that returns nothing.

objectLink(entityAlias, key)

Gets a link to an entity with a specific key.