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In the Data Source

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in your data source miss the key and items fields, use the map function of the DevExtreme DataSource to create key + items field mappings. You can find more information on the map function in the Data..." /> ); } } export default App; If your data is not grouped, you can group it using the group property of the DataSource. See the Data Layer - Grouping topic for details

In the Data Source

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="name" valueExpr="count" /> ); } } export default App; NOTE Only one-level grouping is supported. If objects in your data source miss the key and items...} grouped={true} displayExpr="name" valueExpr="count" /> ); } } export default App; If your data is not grouped at all, you can

Component Configuration Syntax

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Create and Configure a Component Any DevExtreme UI component must be placed in a container. This role is played by a <div> HTML element. Add a <div> to the <body> tag of your page...); if (chartInstance) { // Your code goes here } Handle Events Subscribe to an Event You can subscribe to an event using a configuration property. All event handling properties are given names that begin

Gray Boxes Appear After Data Loading

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is corrupted, etc.) Follow the steps below to troubleshoot your application. If the solutions listed here do not help you resolve an issue, create a ticket in our Support Center and describe the issue... or unstable, gray boxes may be displayed for a longer time. If gray boxes take too long to disappear, you need to replace a remote data source with a local data source and open your project

Overview

Guides

The ActionSheet UI component is a sheet containing a set of buttons located one under the other. These buttons usually represent several choices relating to a single task. View Demo The following code adds a simple ActionSheet to your page. The UI component is shown on a button click. jQuery HTMLJavaScript <div id="buttonContainer"></div> <div id