DevExtreme Vue - ODataContext Methods
get(operationName, params)
A Promise that is resolved after the operation has completed. It is a native Promise or a jQuery.Promise when you use jQuery.
jQuery
JavaScript
var context = new DevExpress.data.ODataContext({ // ODataContext is configured here }); var products = context.get("GetProductsByRating", { rating: 3 });
Angular
TypeScript
import ODataContext from "devextreme/data/odata/context"; // ... export class AppComponent { context: ODataContext; constructor() { this.context = new ODataContext({ // ODataContext is configured here }); let products = this.context.get("GetProductsByRating", { rating: 3 }); } }
Vue
App.vue
<script> import ODataContext from 'devextreme/data/odata/context'; const context = new ODataContext({ // ODataContext is configured here }); export default { mounted() { this.products = context.get('GetProductsByRating', { rating: 3 }); }, // ... } </script>
React
App.js
// ... import ODataContext from 'devextreme/data/odata/context'; const context = new ODataContext({ // ODataContext is configured here }); class App extends React.Component { constructor(props) { super(props); this.products = context.get('GetProductsByRating', { rating: 3 }); } } export default App;
See Also
invoke(operationName, params, httpMethod)
Parameters:
A Promise that is resolved after the operation has completed. It is a native Promise or a jQuery.Promise when you use jQuery.
jQuery
JavaScript
var context = new DevExpress.data.ODataContext({ // ODataContext is configured here }); context.invoke("Add", { fieldName: "fieldValue" }, "POST");
Angular
TypeScript
import ODataContext from "devextreme/data/odata/context"; // ... export class AppComponent { context: ODataContext; constructor() { this.context = new ODataContext({ // ODataContext is configured here }); this.context.invoke("Add", { fieldName: "fieldValue" }, "POST"); } }
Vue
App.vue
<script> import ODataContext from 'devextreme/data/odata/context'; const context = new ODataContext({ // ODataContext is configured here }); export default { mounted() { context.invoke('Add', { fieldName: 'fieldValue' }, 'POST'); }, // ... } </script>
React
App.js
// ... import ODataContext from 'devextreme/data/odata/context'; const context = new ODataContext({ // ODataContext is configured here }); class App extends React.Component { constructor(props) { super(props); context.invoke('Add', { fieldName: 'fieldValue' }, 'POST'); } } export default App;
See Also
objectLink(entityAlias, key)
Parameters:
Return Value:
Call this method within the insert() or the update() method to change the relationships between entities. The following code links the order with ID 1
to the customer with ID 2
:
jQuery
JavaScript
var context = new DevExpress.data.ODataContext({ url: "https://js.devexpress.com/Demos/DevAV/odata/", entities: { Orders: { key: "Order_ID", keyType: "Int32" }, Customers: { key: "Customer_ID", keyType: "Int32" } } }); context.Orders.update(1, { Customer: context.objectLink("Customers", 2) });
Angular
TypeScript
import ODataContext from "devextreme/data/odata/context"; // ... export class AppComponent { context: ODataContext; constructor() { this.context = new ODataContext({ url: "https://js.devexpress.com/Demos/DevAV/odata/", entities: { Orders: { key: "Order_ID", keyType: "Int32" }, Customers: { key: "Customer_ID", keyType: "Int32" } } }); this.context.Orders.update(1, { Customer: context.objectLink("Customers", 2) }); } }
Vue
App.vue
<script> import ODataContext from 'devextreme/data/odata/context'; const context = new ODataContext({ url: 'https://js.devexpress.com/Demos/DevAV/odata/', entities: { Orders: { key: 'Order_ID', keyType: 'Int32' }, Customers: { key: 'Customer_ID', keyType: 'Int32' } } }); export default { mounted() { context.Orders.update(1, { Customer: context.objectLink('Customers', 2) }); }, // ... } </script>
React
App.js
// ... import ODataContext from 'devextreme/data/odata/context'; const context = new ODataContext({ url: 'https://js.devexpress.com/Demos/DevAV/odata/', entities: { Orders: { key: 'Order_ID', keyType: 'Int32' }, Customers: { key: 'Customer_ID', keyType: 'Int32' } } }); class App extends React.Component { constructor(props) { super(props); context.Orders.update(1, { Customer: context.objectLink('Customers', 2) }); } } export default App;
See Also
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