React Data Grid - Batch Update Request

With the DevExtreme DataGrid, users can modify multiple records and submit all changes simultaneously (when editing.mode is set to "batch"). Batch editing allows you to optimize your app, address performance related issues, and deliver the best possible user experience across a variety of usage scenarios.

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TS JS

Backend API

import React from 'react'; import DataGrid, { DataGridRef, Column, DataGridTypes, Editing, Pager, } from 'devextreme-react/data-grid'; import { createStore } from 'devextreme-aspnet-data-nojquery'; import 'whatwg-fetch'; const URL = 'https://js.devexpress.com/Demos/Mvc/api/DataGridBatchUpdateWebApi'; const ordersStore = createStore({ key: 'OrderID', loadUrl: `${URL}/Orders`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); async function sendBatchRequest(url: string, changes: DataGridTypes.DataChange[]) { const result = await fetch(url, { method: 'POST', body: JSON.stringify(changes), headers: { 'Content-Type': 'application/json;charset=UTF-8', }, credentials: 'include', }); if (!result.ok) { const json = await result.json(); throw json.Message; } } async function processBatchRequest(url: string, changes: DataGridTypes.DataChange[], component: ReturnType<DataGridRef['instance']>) { await sendBatchRequest(url, changes); await component.refresh(true); component.cancelEditData(); } const onSaving = (e: DataGridTypes.SavingEvent) => { e.cancel = true; if (e.changes.length) { e.promise = processBatchRequest(`${URL}/Batch`, e.changes, e.component); } }; const App = () => ( <DataGrid id="gridContainer" dataSource={ordersStore} showBorders={true} remoteOperations={true} repaintChangesOnly={true} onSaving={onSaving}> <Editing mode="batch" allowAdding={true} allowDeleting={true} allowUpdating={true} /> <Pager visible={true} /> <Column dataField="OrderID" allowEditing={false}></Column> <Column dataField="ShipName"></Column> <Column dataField="ShipCountry"></Column> <Column dataField="ShipCity"></Column> <Column dataField="ShipAddress"></Column> <Column dataField="OrderDate" dataType="date"></Column> <Column dataField="Freight"></Column> </DataGrid> ); export default App;

import React from 'react'; import DataGrid, { Column, Editing, Pager } from 'devextreme-react/data-grid'; import { createStore } from 'devextreme-aspnet-data-nojquery'; import 'whatwg-fetch'; const URL = 'https://js.devexpress.com/Demos/Mvc/api/DataGridBatchUpdateWebApi'; const ordersStore = createStore({ key: 'OrderID', loadUrl: `${URL}/Orders`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); async function sendBatchRequest(url, changes) { const result = await fetch(url, { method: 'POST', body: JSON.stringify(changes), headers: { 'Content-Type': 'application/json;charset=UTF-8', }, credentials: 'include', }); if (!result.ok) { const json = await result.json(); throw json.Message; } } async function processBatchRequest(url, changes, component) { await sendBatchRequest(url, changes); await component.refresh(true); component.cancelEditData(); } const onSaving = (e) => { e.cancel = true; if (e.changes.length) { e.promise = processBatchRequest(`${URL}/Batch`, e.changes, e.component); } }; const App = () => ( <DataGrid id="gridContainer" dataSource={ordersStore} showBorders={true} remoteOperations={true} repaintChangesOnly={true} onSaving={onSaving} > <Editing mode="batch" allowAdding={true} allowDeleting={true} allowUpdating={true} /> <Pager visible={true} /> <Column dataField="OrderID" allowEditing={false} ></Column> <Column dataField="ShipName"></Column> <Column dataField="ShipCountry"></Column> <Column dataField="ShipCity"></Column> <Column dataField="ShipAddress"></Column> <Column dataField="OrderDate" dataType="date" ></Column> <Column dataField="Freight"></Column> </DataGrid> ); export default App;

import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );

import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));

<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.7/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>

#gridContainer { height: 440px; }

using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using Newtonsoft.Json; using System; using System.Linq; using System.Net; using System.Net.Http; using System.Web.Http; using DevExtreme.MVC.Demos.Models.Northwind; using DevExtreme.MVC.Demos.Models.DataGrid; using System.Collections.Generic; namespace DevExtreme.MVC.Demos.Controllers { [Route("api/DataGridBatchUpdateWebApi/{action}", Name = "DataGridBatchUpdateWebApi")] public class DataGridBatchUpdateWebApiController : ApiController { InMemoryNorthwindContext _nwind = new InMemoryNorthwindContext(); [HttpGet] public HttpResponseMessage Orders(DataSourceLoadOptions loadOptions) { return Request.CreateResponse(DataSourceLoader.Load(_nwind.Orders, loadOptions)); } [HttpPost] public HttpResponseMessage Batch(List<DataChange> changes) { foreach(var change in changes) { Order order; if(change.Type == "update" || change.Type == "remove") { var key = Convert.ToInt32(change.Key); order = _nwind.Orders.First(o => o.OrderID == key); } else { order = new Order(); } if(change.Type == "insert" || change.Type == "update") { JsonConvert.PopulateObject(change.Data.ToString(), order); Validate(order); if(!ModelState.IsValid) return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState.GetFullErrorMessage()); if(change.Type == "insert") { _nwind.Orders.Add(order); } change.Data = order; } else if(change.Type == "remove") { _nwind.Orders.Remove(order); } } _nwind.SaveChanges(); return Request.CreateResponse(HttpStatusCode.OK, changes); } } }

using System; using System.Collections.Generic; using System.Data.Entity; namespace DevExtreme.MVC.Demos.Models.Northwind { public class InMemoryNorthwindContext : InMemoryDataContext<Order> { readonly NorthwindContext _nwind = new NorthwindContext(); public DbSet<Customer> Customers => _nwind.Customers; public DbSet<Order_Detail> Order_Details => _nwind.Order_Details; public ICollection<Order> Orders => ItemsInternal; public DbSet<Shipper> Shippers => _nwind.Shippers; protected override IEnumerable<Order> Source => _nwind.Orders; protected override int GetKey(Order item) => item.OrderID; protected override void SetKey(Order item, int key) => item.OrderID = key; } }

If data is stored on a server, our DataGrid sends multiple requests to save edited objects - one request per object (this is because most servers only process one edit operation at a time). If your server supports batch update, you can configure the DataGrid to save all changes with a single request.

To incorporate this functionality into your web app, implement the DataGrid's onSaving function. This function accepts an e object that contains fields used for batch update. The following is a summary of the steps you must follow to enable batch update:

Disable default save logic
Set the e.cancel field to true.
Send pending changes to the server
Pending changes are contained in the e.changes array. Ensure it is not empty and send the changes to the server.
Update data in the DataGrid
Once changes are saved, call the refresh(changesOnly) method.
Reset edit state
Use the cancelEditData() method to clear pending changes.