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Data Grid
- Overview
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Data Binding
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Paging and Scrolling
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Editing
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Grouping
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Filtering and Sorting
- Focused Row
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Row Drag & Drop
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Selection
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Columns
- State Persistence
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Appearance
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Templates
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Data Summaries
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Master-Detail
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Export to PDF
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Export to Excel
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Adaptability
- Keyboard Navigation
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Pivot Grid
- Overview
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Data Binding
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Field Chooser
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Features
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Export to Excel
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Tree List
- Overview
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Data Binding
- Sorting
- Paging
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Editing
- Node Drag & Drop
- Focused Row
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Selection
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Filtering
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Column Customization
- State Persistence
- Adaptability
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Scheduler
- Overview
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Data Binding
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Views
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Features
- Virtual Scrolling
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Grouping
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Customization
- Adaptability
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Html Editor
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Chat
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Diagram
- Overview
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Data Binding
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Featured Shapes
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Custom Shapes
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Document Capabilities
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User Interaction
- UI Customization
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Charts
- Overview
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Data Binding
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Area Charts
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Bar Charts
- Bullet Charts
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Doughnut Charts
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Financial Charts
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Line Charts
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Pie Charts
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Point Charts
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Range Charts
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Sparkline Charts
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- Sankey Chart
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More Features
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Selection
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React Tree List - Multiple Row Selection
This demo enables multiple selection mode. This mode allows users to press keyboard shortcuts or click checkboxes to select multiple rows.
The checkbox in the leftmost column header selects all rows. You can set the allowSelectAll property to false to disable the checkbox.
Multiple selection mode is non-recursive (when a row is selected, nested rows remain unselected). If users should select rows recursively, set the selection.recursive property to true. In this demo, you can use the checkbox under the TreeList component to toggle this property.
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Backend API
x
import React, { useCallback, useState } from 'react';
import {
TreeList, Selection, Column, TreeListTypes,
} from 'devextreme-react/tree-list';
import { CheckBox, CheckBoxTypes } from 'devextreme-react/check-box';
import { SelectBox, SelectBoxTypes } from 'devextreme-react/select-box';
import { employees, selectionModeLabel } from './data.ts';
const expandedRowKeys = [1, 2, 10];
const emptySelectedText = 'Nobody has been selected';
const selectionModes = ['all', 'excludeRecursive', 'leavesOnly'];
const App = () => {
const [selectedRowKeys, setSelectedRowKeys] = useState([]);
const [recursive, setRecursive] = useState(false);
const [selectionMode, setSelectionMode] = useState('all');
const [selectedEmployeeNames, setSelectedEmployeeNames] = useState(emptySelectedText);
const getEmployeeNames = useCallback((employeeList) => {
if (employeeList.length > 0) {
return employeeList.map((employee) => employee.Full_Name).join(', ');
}
return emptySelectedText;
}, []);
const onSelectionChanged = useCallback((e: TreeListTypes.SelectionChangedEvent) => {
const selectedData = e.component.getSelectedRowsData(selectionMode);
setSelectedRowKeys(e.selectedRowKeys);
setSelectedEmployeeNames(getEmployeeNames(selectedData));
}, [selectionMode, getEmployeeNames]);
const onRecursiveChanged = useCallback((e: CheckBoxTypes.ValueChangedEvent) => {
setRecursive(e.value);
setSelectedRowKeys([]);
setSelectedEmployeeNames(emptySelectedText);
}, []);
const onSelectionModeChanged = useCallback((e: SelectBoxTypes.ValueChangedEvent) => {
setSelectionMode(e.value);
setSelectedRowKeys([]);
setSelectedEmployeeNames(emptySelectedText);
}, []);
return (
<div>
<TreeList
id="employees"
dataSource={employees}
showRowLines={true}
showBorders={true}
columnAutoWidth={true}
defaultExpandedRowKeys={expandedRowKeys}
selectedRowKeys={selectedRowKeys}
keyExpr="ID"
parentIdExpr="Head_ID"
onSelectionChanged={onSelectionChanged}
>
<Selection recursive={recursive} mode="multiple" />
<Column dataField="Full_Name" />
<Column dataField="Title" caption="Position" />
<Column dataField="City" />
<Column dataField="State" />
<Column width={120} dataField="Hire_Date" dataType="date" />
</TreeList>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<span>Selection Mode</span>{' '}
<SelectBox
value={selectionMode}
items={selectionModes}
inputAttr={selectionModeLabel}
text="Recursive Selection"
onValueChanged={onSelectionModeChanged}
/>
</div>
<div className="option">
<CheckBox
value={recursive}
text="Recursive Selection"
onValueChanged={onRecursiveChanged}
/>
</div>
<div className="selected-data">
<span className="caption">Selected Records:</span>{' '}
<span>
{ selectedEmployeeNames }
</span>
</div>
</div>
</div>
);
};
export default App;
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TreeList includes an API to select multiple rows. For details, refer to the following article: Selection API.