Pull down to refresh...
Release to refresh...
Refreshing...
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Data Grid
- Overview
-
Data Binding
-
Paging and Scrolling
-
Editing
-
Grouping
-
Filtering and Sorting
- Focused Row
-
Row Drag & Drop
-
Selection
-
Columns
- State Persistence
-
Appearance
-
Templates
-
Data Summaries
-
Master-Detail
-
Export to PDF
-
Export to Excel
-
Adaptability
- Keyboard Navigation
-
Pivot Grid
- Overview
-
Data Binding
-
Field Chooser
-
Features
-
Export to Excel
-
Tree List
- Overview
-
Data Binding
- Sorting
- Paging
-
Editing
- Node Drag & Drop
- Focused Row
-
Selection
-
Filtering
-
Column Customization
- State Persistence
- Adaptability
- Keyboard Navigation
-
Scheduler
- Overview
-
Data Binding
-
Views
-
Features
- Virtual Scrolling
-
Grouping
-
Customization
- Adaptability
-
Html Editor
-
Chat
-
Diagram
- Overview
-
Data Binding
-
Featured Shapes
-
Custom Shapes
-
Document Capabilities
-
User Interaction
- UI Customization
- Adaptability
-
Charts
- Overview
-
Data Binding
-
Area Charts
-
Bar Charts
- Bullet Charts
-
Doughnut Charts
-
Financial Charts
-
Line Charts
-
Pie Charts
-
Point Charts
-
Polar and Radar Charts
-
Range Charts
-
Sparkline Charts
-
Tree Map
-
Funnel and Pyramid Charts
- Sankey Chart
-
Combinations
-
More Features
-
Export
-
Selection
-
Tooltips
-
Zooming
-
-
Gantt
- Overview
-
Data
-
UI Customization
- Strip Lines
- Export to PDF
- Sorting
-
Filtering
-
Reporting
- AI-powered Extensions
-
Interaction
-
Report Types
-
Data binding
-
Real-life Reports
-
Layout Features
-
Report Controls
-
Web-specific Features
-
Rich Text Editor
- Overview
- Load/Save
- Document Protection
-
Templates
- Autocorrect
-
Customization
- Simple View
-
Spreadsheet
- Overview
-
Open a Document
- Export And Printing
-
Features
-
UI Customization
-
Gauges
- Overview
-
Data Binding
-
Bar Gauge
-
Circular Gauge
-
Linear Gauge
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Navigation
- Overview
- Accordion
-
Menu
- Multi View
-
Drawer
-
Tab Panel
-
Tabs
-
Toolbar
- Pagination
-
Tree View
- Right-to-Left Support
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Layout
-
Tile View
- Splitter
-
Gallery
- Scroll View
- Resizable
-
-
Editors
- Overview
- Autocomplete
-
Calendar
- Check Box
- Color Box
- Date Box
-
Date Range Box
-
Drop Down Box
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Number Box
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Select Box
- Switch
-
Tag Box
- Text Area
- Text Box
- Validation
- Custom Text Editor Buttons
- Right-to-Left Support
- Editor Appearance Variants
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Forms and Multi-Purpose
- Overview
- Button Group
- Field Set
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Filter Builder
-
Form
- Radio Group
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Range Selector
- Numeric Scale (Lightweight)
- Numeric Scale
- Date-Time Scale (Lightweight)
- Date-Time Scale
- Logarithmic Scale
- Discrete scale
- Custom Formatting
- Use Range Selection for Calculation
- Use Range Selection for Filtering
- Image on Background
- Chart on Background
- Customized Chart on Background
- Chart on Background with Series Template
- Range Slider
- Slider
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Sortable
-
File Management
-
File Manager
- Overview
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File System Types
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Customization
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File Uploader
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Actions and Lists
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Maps
- Overview
-
Map
-
Vector Map
-
Dialogs and Notifications
-
Localization
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Data Grid - SignalR Service
This example demonstrates real-time data update in a DataGrid bound to a SignalR service. Access to the service is configured in a CustomStore.
The CustomStore fetches the remote dataset at launch and keeps its local copy. Whenever the remote dataset changes, the server calls a client-side function that updates the local copy of the dataset (updateStockPrices
in this demo). This function uses the store's push(changes) method.
For server-side configuration, refer to the ASP.NET MVC version of this demo.
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Backend API
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@using DevExtreme.NETCore.Demos.Models.SignalR
@(Html.DevExtreme().DataGrid<Stock>()
.ID("gridContainer")
.Visible(false)
.ShowBorders(true)
.RepaintChangesOnly(true)
.HighlightChanges(true)
.Columns(columns => {
columns.AddFor(m => m.LastUpdate).DataField("lastUpdate")
.Width(115)
.Format(Format.LongTime);
columns.AddFor(m => m.Symbol).DataField("symbol");
columns.AddFor(m => m.Price).DataField("price")
.Format("#0.####")
.CellTemplate(@<text>
<span class="<%- data.change > 0 ? 'inc' : 'dec' %>">
<%- text %>
</span>
</text>);
columns.AddFor(m => m.Change).DataField("change")
.Width(140)
.Format("#0.####")
.CellTemplate(@<text>
<span class="<%- data.change > 0 ? 'inc' : 'dec' %>">
<span class="current-value"><%- text %></span>
<span class="arrow"></span>
<span class="diff"><%- data.percentChange.toFixed(2) %>%</span>
</span>
</text>);
columns.AddFor(m => m.DayOpen).DataField("dayOpen")
.Format("#0.####");
columns.AddFor(m => m.DayMin).DataField("dayMin")
.Format("#0.####");
columns.AddFor(m => m.DayMax).DataField("dayMax")
.Format("#0.####");
})
)
<script src="~/signalr/signalr-client.js"></script>
<script>
var connection = new signalR.HubConnectionBuilder()
.withUrl("@Url.Content("~/liveUpdateSignalRHub")")
.configureLogging(signalR.LogLevel.Information)
.build();
$(function () {
connection.start()
.then(function () {
var store = new DevExpress.data.CustomStore({
load: function () {
return connection.invoke("getAllStocks");
},
key: "symbol"
});
$("#gridContainer").dxDataGrid({
dataSource: store,
visible: true
});
connection.on("updateStockPrice", function (data) {
store.push([{ type: "update", key: data.symbol, data: data }]);
});
});
});
</script>
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For more information about integration with push services, refer to the following help topic: Integration with Push Services.
NOTE
Data used in this demo is for demonstration purposes only.