React Data Grid - Web API Service

To access a Web API service from the client, use the createStore method which is part of the DevExtreme.AspNet.Data extension. This extension also allows you to process data for DevExtreme components on the server. The server-side implementation is available under the DataGridWebApiController.cs tab in the ASP.NET MVC version of this demo.

To notify the DataGrid that data is processed on the server, set the remoteOperations property to true.

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TS JS

Backend API

import React from 'react'; import 'devextreme/data/odata/store'; import { Column, DataGrid, FilterRow, HeaderFilter, GroupPanel, Scrolling, Editing, Grouping, Lookup, MasterDetail, Summary, RangeRule, RequiredRule, StringLengthRule, GroupItem, TotalItem, ValueFormat, } from 'devextreme-react/data-grid'; import { createStore } from 'devextreme-aspnet-data-nojquery'; import MasterDetailGrid from './MasterDetailGrid.tsx'; const url = 'https://js.devexpress.com/Demos/Mvc/api/DataGridWebApi'; const dataSource = createStore({ key: 'OrderID', loadUrl: `${url}/Orders`, insertUrl: `${url}/InsertOrder`, updateUrl: `${url}/UpdateOrder`, deleteUrl: `${url}/DeleteOrder`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); const customersData = createStore({ key: 'Value', loadUrl: `${url}/CustomersLookup`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); const shippersData = createStore({ key: 'Value', loadUrl: `${url}/ShippersLookup`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); const App = () => ( <DataGrid dataSource={dataSource} showBorders={true} width="100%" height={600} remoteOperations={true} > <MasterDetail enabled={true} component={MasterDetailGrid} /> <FilterRow visible={true} /> <HeaderFilter visible={true} /> <GroupPanel visible={true} /> <Scrolling mode="virtual" /> <Editing mode="row" allowAdding={true} allowDeleting={true} allowUpdating={true} /> <Grouping autoExpandAll={false} /> <Column dataField="CustomerID" caption="Customer"> <Lookup dataSource={customersData} valueExpr="Value" displayExpr="Text" /> <StringLengthRule max={5} message="The field Customer must be a string with a maximum length of 5." /> </Column> <Column dataField="OrderDate" dataType="date"> <RequiredRule message="The OrderDate field is required." /> </Column> <Column dataField="Freight"> <HeaderFilter groupInterval={100} /> <RangeRule min={0} max={2000} message="The field Freight must be between 0 and 2000." /> </Column> <Column dataField="ShipCountry"> <StringLengthRule max={15} message="The field ShipCountry must be a string with a maximum length of 15." /> </Column> <Column dataField="ShipVia" caption="Shipping Company" dataType="number" > <Lookup dataSource={shippersData} valueExpr="Value" displayExpr="Text" /> </Column> <Summary> <TotalItem column="Freight" summaryType="sum"> <ValueFormat type="decimal" precision={2} /> </TotalItem> <GroupItem column="Freight" summaryType="sum"> <ValueFormat type="decimal" precision={2} /> </GroupItem> <GroupItem summaryType="count" /> </Summary> </DataGrid> ); export default App;

import React from 'react'; import 'devextreme/data/odata/store'; import { Column, DataGrid, FilterRow, HeaderFilter, GroupPanel, Scrolling, Editing, Grouping, Lookup, MasterDetail, Summary, RangeRule, RequiredRule, StringLengthRule, GroupItem, TotalItem, ValueFormat, } from 'devextreme-react/data-grid'; import { createStore } from 'devextreme-aspnet-data-nojquery'; import MasterDetailGrid from './MasterDetailGrid.js'; const url = 'https://js.devexpress.com/Demos/Mvc/api/DataGridWebApi'; const dataSource = createStore({ key: 'OrderID', loadUrl: `${url}/Orders`, insertUrl: `${url}/InsertOrder`, updateUrl: `${url}/UpdateOrder`, deleteUrl: `${url}/DeleteOrder`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); const customersData = createStore({ key: 'Value', loadUrl: `${url}/CustomersLookup`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); const shippersData = createStore({ key: 'Value', loadUrl: `${url}/ShippersLookup`, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }); const App = () => ( <DataGrid dataSource={dataSource} showBorders={true} width="100%" height={600} remoteOperations={true} > <MasterDetail enabled={true} component={MasterDetailGrid} /> <FilterRow visible={true} /> <HeaderFilter visible={true} /> <GroupPanel visible={true} /> <Scrolling mode="virtual" /> <Editing mode="row" allowAdding={true} allowDeleting={true} allowUpdating={true} /> <Grouping autoExpandAll={false} /> <Column dataField="CustomerID" caption="Customer" > <Lookup dataSource={customersData} valueExpr="Value" displayExpr="Text" /> <StringLengthRule max={5} message="The field Customer must be a string with a maximum length of 5." /> </Column> <Column dataField="OrderDate" dataType="date" > <RequiredRule message="The OrderDate field is required." /> </Column> <Column dataField="Freight"> <HeaderFilter groupInterval={100} /> <RangeRule min={0} max={2000} message="The field Freight must be between 0 and 2000." /> </Column> <Column dataField="ShipCountry"> <StringLengthRule max={15} message="The field ShipCountry must be a string with a maximum length of 15." /> </Column> <Column dataField="ShipVia" caption="Shipping Company" dataType="number" > <Lookup dataSource={shippersData} valueExpr="Value" displayExpr="Text" /> </Column> <Summary> <TotalItem column="Freight" summaryType="sum" > <ValueFormat type="decimal" precision={2} /> </TotalItem> <GroupItem column="Freight" summaryType="sum" > <ValueFormat type="decimal" precision={2} /> </GroupItem> <GroupItem summaryType="count" /> </Summary> </DataGrid> ); export default App;

import React, { useEffect, useState } from 'react'; import DataGrid, { DataGridTypes } from 'devextreme-react/data-grid'; import { createStore } from 'devextreme-aspnet-data-nojquery'; const url = 'https://js.devexpress.com/Demos/Mvc/api/DataGridWebApi'; const getMasterDetailGridDataSource = (id) => ({ store: createStore({ loadUrl: `${url}/OrderDetails`, loadParams: { orderID: id }, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }), }); const MasterDetailGrid = (props: DataGridTypes.MasterDetailTemplateData) => { const [dataSource, setDataSource] = useState(null); useEffect(() => { const masterDetailDataSource = getMasterDetailGridDataSource(props.data.key); setDataSource(masterDetailDataSource); }, [props.data.key]); return ( <DataGrid dataSource={dataSource} showBorders={true} /> ); }; export default MasterDetailGrid;

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

import React, { useEffect, useState } from 'react'; import DataGrid from 'devextreme-react/data-grid'; import { createStore } from 'devextreme-aspnet-data-nojquery'; const url = 'https://js.devexpress.com/Demos/Mvc/api/DataGridWebApi'; const getMasterDetailGridDataSource = (id) => ({ store: createStore({ loadUrl: `${url}/OrderDetails`, loadParams: { orderID: id }, onBeforeSend: (method, ajaxOptions) => { ajaxOptions.xhrFields = { withCredentials: true }; }, }), }); const MasterDetailGrid = (props) => { const [dataSource, setDataSource] = useState(null); useEffect(() => { const masterDetailDataSource = getMasterDetailGridDataSource(props.data.key); setDataSource(masterDetailDataSource); }, [props.data.key]); return ( <DataGrid dataSource={dataSource} showBorders={true} /> ); }; export default MasterDetailGrid;

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" /> <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> <link rel="stylesheet" type="text/css" href="styles.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>

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.Net.Http.Formatting; 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/DataGridWebApi/{action}", Name = "DataGridWebApi")] public class DataGridWebApiController : ApiController { InMemoryNorthwindContext _nwind = new InMemoryNorthwindContext(); [HttpGet] public HttpResponseMessage Orders(DataSourceLoadOptions loadOptions) { return Request.CreateResponse(DataSourceLoader.Load(_nwind.Orders, loadOptions)); } [HttpPost] public HttpResponseMessage InsertOrder(FormDataCollection form) { var values = form.Get("values"); var newOrder = new Order(); JsonConvert.PopulateObject(values, newOrder); Validate(newOrder); if(!ModelState.IsValid) return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState.GetFullErrorMessage()); _nwind.Orders.Add(newOrder); _nwind.SaveChanges(); return Request.CreateResponse(HttpStatusCode.Created, newOrder); } [HttpPut] public HttpResponseMessage UpdateOrder(FormDataCollection form) { var key = Convert.ToInt32(form.Get("key")); var values = form.Get("values"); var order = _nwind.Orders.First(o => o.OrderID == key); JsonConvert.PopulateObject(values, order); Validate(order); if(!ModelState.IsValid) return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState.GetFullErrorMessage()); _nwind.SaveChanges(); return Request.CreateResponse(HttpStatusCode.OK, order); } [HttpDelete] public void DeleteOrder(FormDataCollection form) { var key = Convert.ToInt32(form.Get("key")); var order = _nwind.Orders.First(o => o.OrderID == key); _nwind.Orders.Remove(order); _nwind.SaveChanges(); } // additional actions [HttpGet] public HttpResponseMessage OrderDetails(int orderID, DataSourceLoadOptions loadOptions) { return Request.CreateResponse(DataSourceLoader.Load( from i in _nwind.Order_Details where i.OrderID == orderID select new { Product = i.Product.ProductName, Price = i.UnitPrice, i.Quantity, Sum = i.UnitPrice * i.Quantity }, loadOptions )); } [HttpGet] public HttpResponseMessage ShippersLookup(DataSourceLoadOptions loadOptions) { var lookup = from i in _nwind.Shippers orderby i.CompanyName select new { Value = i.ShipperID, Text = i.CompanyName }; return Request.CreateResponse(DataSourceLoader.Load(lookup, loadOptions)); } [HttpGet] public HttpResponseMessage CustomersLookup(DataSourceLoadOptions loadOptions) { var lookup = from i in _nwind.Customers let text = i.CompanyName + " (" + i.Country + ")" orderby i.CompanyName select new { Value = i.CustomerID, Text = text }; return Request.CreateResponse(DataSourceLoader.Load(lookup, 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; } }

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