Backend API
        
    import React, { useState, useRef, useCallback } from 'react';
import CardView, { Column, CardCover, Selection } from 'devextreme-react/card-view';
import SelectBox  from 'devextreme-react/select-box';
import CheckBox  from 'devextreme-react/check-box';
import { employees, Employee } from './data.ts';
function altExpr({ FullName }: Employee): string {
  return `Photo of ${FullName}`;
}
function imageExpr({ FullName }: Employee): string {
  return `../../../../images/employees/new/${FullName}.jpg`;
}
const selectionModeLabel = { 'aria-label': 'Selection Mode' };
const showCheckBoxesModeLabel = { 'aria-label': 'Show Checkboxes Mode' };
const selectAllModeLabel = { 'aria-label': 'Select All Mode' };
const App = () => {
  const [selectionMode, setSelectionMode] = useState<'single' | 'multiple'>('multiple');
  const [allowSelectAll, setAllowSelectAll] = useState(true);
  const [showCheckBoxesMode, setShowCheckBoxesMode] = useState<'always' | 'none' | 'onClick' | 'onLongTap'>('always');
  const [selectAllMode, setSelectAllMode] = useState<'allPages' | 'page'>('allPages');
  const cardViewRef = useRef(null);
  const onSelectionModeChange = useCallback((value) => {
    setSelectionMode(value);
    cardViewRef.current!.instance().clearSelection();
  }, []);
  return <>
    <div className="options-panel">
      <div className="caption">Options</div>
      <div className="options-container">
        <div className="option">
          <span>Selection Mode</span>
          <SelectBox
            inputAttr={selectionModeLabel}
            dataSource={['single', 'multiple']}
            value={selectionMode}
            onValueChange={onSelectionModeChange}
          ></SelectBox>
        </div>
        <div className="option">
          <span>Show Checkboxes Mode</span>
          <SelectBox
            inputAttr={showCheckBoxesModeLabel}
            dataSource={['always', 'none', 'onClick', 'onLongTap']}
            value={showCheckBoxesMode}
            onValueChange={setShowCheckBoxesMode}
            disabled={selectionMode !== 'multiple'}
          ></SelectBox>
        </div>
        <div className="option">
          <span>Select All Mode</span>
          <SelectBox
            inputAttr={selectAllModeLabel}
            dataSource={['allPages', 'page']}
            value={selectAllMode}
            onValueChange={setSelectAllMode}
            disabled={selectionMode !== 'multiple' || !allowSelectAll}
          ></SelectBox>
        </div>
        <div className="option">
          <CheckBox
            text={"Allow Select All"}
            value={allowSelectAll}
            onValueChange={setAllowSelectAll}
            disabled={selectionMode !== 'multiple'}
          ></CheckBox>
        </div>
      </div>
    </div>
    <CardView
      dataSource={employees}
      keyExpr="ID"
      cardsPerRow="auto"
      cardMinWidth={300}
      defaultSelectedCardKeys={[4, 6]}
      ref={cardViewRef}
    >
      <CardCover
        altExpr={altExpr}
        imageExpr={imageExpr}
      />
      <Selection
        mode={selectionMode}
        showCheckBoxesMode={showCheckBoxesMode}
        allowSelectAll={allowSelectAll}
        selectAllMode={selectAllMode}
      />
      <Column
        dataField="FullName"
      />
      <Column
        dataField="Position"
      />
      <Column
        dataField="Phone"
      />
      <Column
        dataField="Email"
      />
    </CardView>
  </>;
};
export default App;
    
    import React, { useState, useRef, useCallback } from 'react';
import CardView, { Column, CardCover, Selection } from 'devextreme-react/card-view';
import SelectBox from 'devextreme-react/select-box';
import CheckBox from 'devextreme-react/check-box';
import { employees } from './data.js';
function altExpr({ FullName }) {
  return `Photo of ${FullName}`;
}
function imageExpr({ FullName }) {
  return `../../../../images/employees/new/${FullName}.jpg`;
}
const selectionModeLabel = { 'aria-label': 'Selection Mode' };
const showCheckBoxesModeLabel = { 'aria-label': 'Show Checkboxes Mode' };
const selectAllModeLabel = { 'aria-label': 'Select All Mode' };
const App = () => {
  const [selectionMode, setSelectionMode] = useState('multiple');
  const [allowSelectAll, setAllowSelectAll] = useState(true);
  const [showCheckBoxesMode, setShowCheckBoxesMode] = useState('always');
  const [selectAllMode, setSelectAllMode] = useState('allPages');
  const cardViewRef = useRef(null);
  const onSelectionModeChange = useCallback((value) => {
    setSelectionMode(value);
    cardViewRef.current.instance().clearSelection();
  }, []);
  return (
    <React.Fragment>
      <div className="options-panel">
        <div className="caption">Options</div>
        <div className="options-container">
          <div className="option">
            <span>Selection Mode</span>
            <SelectBox
              inputAttr={selectionModeLabel}
              dataSource={['single', 'multiple']}
              value={selectionMode}
              onValueChange={onSelectionModeChange}
            ></SelectBox>
          </div>
          <div className="option">
            <span>Show Checkboxes Mode</span>
            <SelectBox
              inputAttr={showCheckBoxesModeLabel}
              dataSource={['always', 'none', 'onClick', 'onLongTap']}
              value={showCheckBoxesMode}
              onValueChange={setShowCheckBoxesMode}
              disabled={selectionMode !== 'multiple'}
            ></SelectBox>
          </div>
          <div className="option">
            <span>Select All Mode</span>
            <SelectBox
              inputAttr={selectAllModeLabel}
              dataSource={['allPages', 'page']}
              value={selectAllMode}
              onValueChange={setSelectAllMode}
              disabled={selectionMode !== 'multiple' || !allowSelectAll}
            ></SelectBox>
          </div>
          <div className="option">
            <CheckBox
              text="Allow Select All"
              value={allowSelectAll}
              onValueChange={setAllowSelectAll}
              disabled={selectionMode !== 'multiple'}
            ></CheckBox>
          </div>
        </div>
      </div>
      <CardView
        dataSource={employees}
        keyExpr="ID"
        cardsPerRow="auto"
        cardMinWidth={300}
        defaultSelectedCardKeys={[4, 6]}
        ref={cardViewRef}
      >
        <CardCover
          altExpr={altExpr}
          imageExpr={imageExpr}
        />
        <Selection
          mode={selectionMode}
          showCheckBoxesMode={showCheckBoxesMode}
          allowSelectAll={allowSelectAll}
          selectAllMode={selectAllMode}
        />
        <Column dataField="FullName" />
        <Column dataField="Position" />
        <Column dataField="Phone" />
        <Column dataField="Email" />
      </CardView>
    </React.Fragment>
  );
};
export default App;
    
    import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
  <App />,
  document.getElementById('app'),
);
    
    export interface Employee {
  ID: number;
  FullName: string;
  Position: string;
  Department: string;
  Phone: string;
  Email: string;
}
export const employees: Employee[] = [
  {
    ID: 3,
    FullName: 'Arthur Miller',
    Position: 'CTO',
    Department: 'Management',
    Phone: '+1 (310) 555-8583',
    Email: 'arthurm@dx-email.com',
  },
  {
    ID: 4,
    FullName: 'Robert Reagan',
    Position: 'CMO',
    Department: 'Management',
    Phone: '+1 (818) 555-2387',
    Email: 'robertr@dx-email.com',
  },
  {
    ID: 5,
    FullName: 'Greta Sims',
    Position: 'HR Manager',
    Department: 'Human Resources',
    Phone: '+1 (818) 555-6546',
    Email: 'gretas@dx-email.com',
  },
  {
    ID: 6,
    FullName: 'Brett Wade',
    Position: 'IT Manager',
    Department: 'IT',
    Phone: '+1 (626) 555-0358',
    Email: 'brettw@dx-email.com',
  },
  {
    ID: 7,
    FullName: 'Sandra Johnson',
    Position: 'Controller',
    Department: 'Human Resources',
    Phone: '+1 (562) 555-2082',
    Email: 'sandraj@dx-email.com',
  },
  {
    ID: 8,
    FullName: 'Ed Holmes',
    Position: 'Sales Manager',
    Department: 'Sales',
    Phone: '+1 (310) 555-1288',
    Email: 'edwardh@dx-email.com',
  },
  {
    ID: 9,
    FullName: 'Barb Banks',
    Position: 'Support Manager',
    Department: 'Support',
    Phone: '+1 (310) 555-3355',
    Email: 'barbarab@dx-email.com',
  },
  {
    ID: 10,
    FullName: 'Kevin Carter',
    Position: 'Shipping Manager',
    Department: 'Shipping',
    Phone: '+1 (213) 555-2840',
    Email: 'kevinc@dx-email.com',
  },
  {
    ID: 11,
    FullName: 'Cindy Stanwick',
    Position: 'HR Assistant',
    Department: 'Human Resources',
    Phone: '+1 (818) 555-6655',
    Email: 'cindys@dx-email.com',
  },
  {
    ID: 12,
    FullName: 'Sammy Hill',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (626) 555-7292',
    Email: 'sammyh@dx-email.com',
  },
  {
    ID: 13,
    FullName: 'Davey Jones',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (626) 555-0281',
    Email: 'davidj@dx-email.com',
  },
  {
    ID: 14,
    FullName: 'Victor Norris',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (213) 555-9278',
    Email: 'victorn@dx-email.com',
  },
  {
    ID: 15,
    FullName: 'Mary Stern',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (818) 555-7857',
    Email: 'marys@dx-email.com',
  },
  {
    ID: 16,
    FullName: 'Robin Cosworth',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (818) 555-0942',
    Email: 'robinc@dx-email.com',
  },
  {
    ID: 17,
    FullName: 'Kelly Rodriguez',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (818) 555-9248',
    Email: 'kellyr@dx-email.com',
  },
  {
    ID: 18,
    FullName: 'James Anderson',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (323) 555-4702',
    Email: 'jamesa@dx-email.com',
  },
  {
    ID: 19,
    FullName: 'Antony Remmen',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (310) 555-6625',
    Email: 'anthonyr@dx-email.com',
  },
  {
    ID: 20,
    FullName: 'Olivia Peyton',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (310) 555-2728',
    Email: 'oliviap@dx-email.com',
  },
  {
    ID: 21,
    FullName: 'Taylor Riley',
    Position: 'Network Admin',
    Department: 'IT',
    Phone: '+1 (310) 555-7276',
    Email: 'taylorr@dx-email.com',
  },
  {
    ID: 22,
    FullName: 'Amelia Harper',
    Position: 'Network Admin',
    Department: 'IT',
    Phone: '+1 (213) 555-4276',
    Email: 'ameliah@dx-email.com',
  },
  {
    ID: 23,
    FullName: 'Wally Hobbs',
    Position: 'Programmer',
    Department: 'IT',
    Phone: '+1 (818) 555-8872',
    Email: 'wallyh@dx-email.com',
  },
  {
    ID: 24,
    FullName: 'Brad Jameson',
    Position: 'Programmer',
    Department: 'IT',
    Phone: '+1 (818) 555-4646',
    Email: 'bradleyj@dx-email.com',
  },
  {
    ID: 25,
    FullName: 'Karen Goodson',
    Position: 'Programmer',
    Department: 'IT',
    Phone: '+1 (626) 555-0908',
    Email: 'kareng@dx-email.com',
  },
  {
    ID: 26,
    FullName: 'Marcus Orbison',
    Position: 'Travel Coordinator',
    Department: 'Human Resources',
    Phone: '+1 (213) 555-7098',
    Email: 'marcuso@dx-email.com',
  },
  {
    ID: 27,
    FullName: 'Sandy Bright',
    Position: 'Benefits Coordinator',
    Department: 'Human Resources',
    Phone: '+1 (818) 555-0524',
    Email: 'sandrab@dx-email.com',
  },
  {
    ID: 28,
    FullName: 'Morgan Kennedy',
    Position: 'Graphic Designer',
    Department: 'IT',
    Phone: '+1 (818) 555-8238',
    Email: 'morgank@dx-email.com',
  },
  {
    ID: 29,
    FullName: 'Violet Bailey',
    Position: 'Jr Graphic Designer',
    Department: 'IT',
    Phone: '+1 (818) 555-2478',
    Email: 'violetb@dx-email.com',
  },
  {
    ID: 30,
    FullName: 'Ken Samuelson',
    Position: 'Ombudsman',
    Department: 'Human Resources',
    Phone: '+1 (562) 555-9282',
    Email: 'kents@dx-email.com',
  },
  {
    ID: 31,
    FullName: 'Nat Maguiree',
    Position: 'Trainer',
    Department: 'Support',
    Phone: '+1 (562) 555-8377',
    Email: 'nataliem@dx-email.com',
  },
  {
    ID: 32,
    FullName: 'Bart Arnaz',
    Position: 'Director of Engineering',
    Department: 'Engineering',
    Phone: '+1 (714) 555-2000',
    Email: 'barta@dx-email.com',
  },
  {
    ID: 33,
    FullName: 'Leah Simpson',
    Position: 'Test Coordinator',
    Department: 'Engineering',
    Phone: '+1 (562) 559-5830',
    Email: 'leahs@dx-email.com',
  },
  {
    ID: 34,
    FullName: 'Arnie Schwartz',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (714) 555-8882',
    Email: 'arnolds@dx-email.com',
  },
  {
    ID: 35,
    FullName: 'Samantha Piper',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (323) 555-4512',
    Email: 'samanthap@dx-email.com',
  },
  {
    ID: 36,
    FullName: 'Maggie Boxter',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (714) 555-7239',
    Email: 'margaretb@dx-email.com',
  },
  {
    ID: 37,
    FullName: 'Terry Bradley',
    Position: 'QA Engineer',
    Department: 'Engineering',
    Phone: '+1 (805) 555-2788',
    Email: 'terryb@dx-email.com',
  },
  {
    ID: 38,
    FullName: 'Gabe Jones',
    Position: 'Retail Coordinator',
    Department: 'Support',
    Phone: '+1 (310) 555-5395',
    Email: 'gabrielj@dx-email.com',
  },
  {
    ID: 39,
    FullName: 'Lucy Ball',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (310) 555-3357',
    Email: 'lucyb@dx-email.com',
  },
  {
    ID: 40,
    FullName: 'Jim Packard',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (661) 555-8224',
    Email: 'jamesp@dx-email.com',
  },
  {
    ID: 41,
    FullName: 'Hannah Brookly',
    Position: 'Online Sales Manager',
    Department: 'Sales',
    Phone: '+1 (805) 555-3627',
    Email: 'hannahb@dx-email.com',
  },
  {
    ID: 42,
    FullName: 'Harv Mudd',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (831) 555-3895',
    Email: 'harveym@dx-email.com',
  },
  {
    ID: 43,
    FullName: 'Clark Morgan',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (925) 555-2525',
    Email: 'clarkm@dx-email.com',
  },
  {
    ID: 44,
    FullName: 'Todd Hoffman',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (925) 555-3579',
    Email: 'toddh@dx-email.com',
  },
  {
    ID: 45,
    FullName: 'Jackie Garmin',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (213) 555-1824',
    Email: 'jackg@dx-email.com',
  },
  {
    ID: 46,
    FullName: 'Lincoln Bartlett',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (213) 555-8272',
    Email: 'lincolnb@dx-email.com',
  },
  {
    ID: 47,
    FullName: 'Brad Farkus',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (213) 555-3626',
    Email: 'bradf@dx-email.com',
  },
  {
    ID: 48,
    FullName: 'Jenny Hobbs',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (310) 555-2668',
    Email: 'jennyh@dx-email.com',
  },
  {
    ID: 49,
    FullName: 'Dallas Lou',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (213) 555-8357',
    Email: 'dallas@dx-email.com',
  },
  {
    ID: 50,
    FullName: 'Stu Pizaro',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (213) 555-2552',
    Email: 'stu@dx-email.com',
  },
];
    
    window.exports = window.exports || {};
window.config = {
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  typescriptOptions: {
    module: 'system',
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    experimentalDecorators: true,
    jsx: 'react',
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  paths: {
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System.config(window.config);
// eslint-disable-next-line
const useTgzInCSB = ['openai'];
    
    import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
    
    export const employees = [
  {
    ID: 3,
    FullName: 'Arthur Miller',
    Position: 'CTO',
    Department: 'Management',
    Phone: '+1 (310) 555-8583',
    Email: 'arthurm@dx-email.com',
  },
  {
    ID: 4,
    FullName: 'Robert Reagan',
    Position: 'CMO',
    Department: 'Management',
    Phone: '+1 (818) 555-2387',
    Email: 'robertr@dx-email.com',
  },
  {
    ID: 5,
    FullName: 'Greta Sims',
    Position: 'HR Manager',
    Department: 'Human Resources',
    Phone: '+1 (818) 555-6546',
    Email: 'gretas@dx-email.com',
  },
  {
    ID: 6,
    FullName: 'Brett Wade',
    Position: 'IT Manager',
    Department: 'IT',
    Phone: '+1 (626) 555-0358',
    Email: 'brettw@dx-email.com',
  },
  {
    ID: 7,
    FullName: 'Sandra Johnson',
    Position: 'Controller',
    Department: 'Human Resources',
    Phone: '+1 (562) 555-2082',
    Email: 'sandraj@dx-email.com',
  },
  {
    ID: 8,
    FullName: 'Ed Holmes',
    Position: 'Sales Manager',
    Department: 'Sales',
    Phone: '+1 (310) 555-1288',
    Email: 'edwardh@dx-email.com',
  },
  {
    ID: 9,
    FullName: 'Barb Banks',
    Position: 'Support Manager',
    Department: 'Support',
    Phone: '+1 (310) 555-3355',
    Email: 'barbarab@dx-email.com',
  },
  {
    ID: 10,
    FullName: 'Kevin Carter',
    Position: 'Shipping Manager',
    Department: 'Shipping',
    Phone: '+1 (213) 555-2840',
    Email: 'kevinc@dx-email.com',
  },
  {
    ID: 11,
    FullName: 'Cindy Stanwick',
    Position: 'HR Assistant',
    Department: 'Human Resources',
    Phone: '+1 (818) 555-6655',
    Email: 'cindys@dx-email.com',
  },
  {
    ID: 12,
    FullName: 'Sammy Hill',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (626) 555-7292',
    Email: 'sammyh@dx-email.com',
  },
  {
    ID: 13,
    FullName: 'Davey Jones',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (626) 555-0281',
    Email: 'davidj@dx-email.com',
  },
  {
    ID: 14,
    FullName: 'Victor Norris',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (213) 555-9278',
    Email: 'victorn@dx-email.com',
  },
  {
    ID: 15,
    FullName: 'Mary Stern',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (818) 555-7857',
    Email: 'marys@dx-email.com',
  },
  {
    ID: 16,
    FullName: 'Robin Cosworth',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (818) 555-0942',
    Email: 'robinc@dx-email.com',
  },
  {
    ID: 17,
    FullName: 'Kelly Rodriguez',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (818) 555-9248',
    Email: 'kellyr@dx-email.com',
  },
  {
    ID: 18,
    FullName: 'James Anderson',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (323) 555-4702',
    Email: 'jamesa@dx-email.com',
  },
  {
    ID: 19,
    FullName: 'Antony Remmen',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (310) 555-6625',
    Email: 'anthonyr@dx-email.com',
  },
  {
    ID: 20,
    FullName: 'Olivia Peyton',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (310) 555-2728',
    Email: 'oliviap@dx-email.com',
  },
  {
    ID: 21,
    FullName: 'Taylor Riley',
    Position: 'Network Admin',
    Department: 'IT',
    Phone: '+1 (310) 555-7276',
    Email: 'taylorr@dx-email.com',
  },
  {
    ID: 22,
    FullName: 'Amelia Harper',
    Position: 'Network Admin',
    Department: 'IT',
    Phone: '+1 (213) 555-4276',
    Email: 'ameliah@dx-email.com',
  },
  {
    ID: 23,
    FullName: 'Wally Hobbs',
    Position: 'Programmer',
    Department: 'IT',
    Phone: '+1 (818) 555-8872',
    Email: 'wallyh@dx-email.com',
  },
  {
    ID: 24,
    FullName: 'Brad Jameson',
    Position: 'Programmer',
    Department: 'IT',
    Phone: '+1 (818) 555-4646',
    Email: 'bradleyj@dx-email.com',
  },
  {
    ID: 25,
    FullName: 'Karen Goodson',
    Position: 'Programmer',
    Department: 'IT',
    Phone: '+1 (626) 555-0908',
    Email: 'kareng@dx-email.com',
  },
  {
    ID: 26,
    FullName: 'Marcus Orbison',
    Position: 'Travel Coordinator',
    Department: 'Human Resources',
    Phone: '+1 (213) 555-7098',
    Email: 'marcuso@dx-email.com',
  },
  {
    ID: 27,
    FullName: 'Sandy Bright',
    Position: 'Benefits Coordinator',
    Department: 'Human Resources',
    Phone: '+1 (818) 555-0524',
    Email: 'sandrab@dx-email.com',
  },
  {
    ID: 28,
    FullName: 'Morgan Kennedy',
    Position: 'Graphic Designer',
    Department: 'IT',
    Phone: '+1 (818) 555-8238',
    Email: 'morgank@dx-email.com',
  },
  {
    ID: 29,
    FullName: 'Violet Bailey',
    Position: 'Jr Graphic Designer',
    Department: 'IT',
    Phone: '+1 (818) 555-2478',
    Email: 'violetb@dx-email.com',
  },
  {
    ID: 30,
    FullName: 'Ken Samuelson',
    Position: 'Ombudsman',
    Department: 'Human Resources',
    Phone: '+1 (562) 555-9282',
    Email: 'kents@dx-email.com',
  },
  {
    ID: 31,
    FullName: 'Nat Maguiree',
    Position: 'Trainer',
    Department: 'Support',
    Phone: '+1 (562) 555-8377',
    Email: 'nataliem@dx-email.com',
  },
  {
    ID: 32,
    FullName: 'Bart Arnaz',
    Position: 'Director of Engineering',
    Department: 'Engineering',
    Phone: '+1 (714) 555-2000',
    Email: 'barta@dx-email.com',
  },
  {
    ID: 33,
    FullName: 'Leah Simpson',
    Position: 'Test Coordinator',
    Department: 'Engineering',
    Phone: '+1 (562) 559-5830',
    Email: 'leahs@dx-email.com',
  },
  {
    ID: 34,
    FullName: 'Arnie Schwartz',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (714) 555-8882',
    Email: 'arnolds@dx-email.com',
  },
  {
    ID: 35,
    FullName: 'Samantha Piper',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (323) 555-4512',
    Email: 'samanthap@dx-email.com',
  },
  {
    ID: 36,
    FullName: 'Maggie Boxter',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (714) 555-7239',
    Email: 'margaretb@dx-email.com',
  },
  {
    ID: 37,
    FullName: 'Terry Bradley',
    Position: 'QA Engineer',
    Department: 'Engineering',
    Phone: '+1 (805) 555-2788',
    Email: 'terryb@dx-email.com',
  },
  {
    ID: 38,
    FullName: 'Gabe Jones',
    Position: 'Retail Coordinator',
    Department: 'Support',
    Phone: '+1 (310) 555-5395',
    Email: 'gabrielj@dx-email.com',
  },
  {
    ID: 39,
    FullName: 'Lucy Ball',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (310) 555-3357',
    Email: 'lucyb@dx-email.com',
  },
  {
    ID: 40,
    FullName: 'Jim Packard',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (661) 555-8224',
    Email: 'jamesp@dx-email.com',
  },
  {
    ID: 41,
    FullName: 'Hannah Brookly',
    Position: 'Online Sales Manager',
    Department: 'Sales',
    Phone: '+1 (805) 555-3627',
    Email: 'hannahb@dx-email.com',
  },
  {
    ID: 42,
    FullName: 'Harv Mudd',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (831) 555-3895',
    Email: 'harveym@dx-email.com',
  },
  {
    ID: 43,
    FullName: 'Clark Morgan',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (925) 555-2525',
    Email: 'clarkm@dx-email.com',
  },
  {
    ID: 44,
    FullName: 'Todd Hoffman',
    Position: 'Retail Sales Manager',
    Department: 'Sales',
    Phone: '+1 (925) 555-3579',
    Email: 'toddh@dx-email.com',
  },
  {
    ID: 45,
    FullName: 'Jackie Garmin',
    Position: 'Support Assistant',
    Department: 'Support',
    Phone: '+1 (213) 555-1824',
    Email: 'jackg@dx-email.com',
  },
  {
    ID: 46,
    FullName: 'Lincoln Bartlett',
    Position: 'Sales Assistant',
    Department: 'Sales',
    Phone: '+1 (213) 555-8272',
    Email: 'lincolnb@dx-email.com',
  },
  {
    ID: 47,
    FullName: 'Brad Farkus',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (213) 555-3626',
    Email: 'bradf@dx-email.com',
  },
  {
    ID: 48,
    FullName: 'Jenny Hobbs',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (310) 555-2668',
    Email: 'jennyh@dx-email.com',
  },
  {
    ID: 49,
    FullName: 'Dallas Lou',
    Position: 'Shipping Assistant',
    Department: 'Shipping',
    Phone: '+1 (213) 555-8357',
    Email: 'dallas@dx-email.com',
  },
  {
    ID: 50,
    FullName: 'Stu Pizaro',
    Position: 'Engineer',
    Department: 'Engineering',
    Phone: '+1 (213) 555-2552',
    Email: 'stu@dx-email.com',
  },
];
    
    <!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/25.1.6/css/dx.light.css" />
    <link rel="stylesheet" type="text/css" href="styles.css" />
    <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/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>
    
    .options-panel {
  margin-top: 20px;
  padding: 20px;
  background-color: rgba(191, 191, 191, 0.15);
}
.options-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.caption {
  font-size: 18px;
  font-weight: 500;
}
.option {
  margin: 10px;
  display: flex;
  align-items: center;
  width: fit-content;
}
.option > .dx-selectbox {
  width: 150px;
  display: inline-block;
  vertical-align: middle;
}
.option > span {
  margin-right: 10px;
}
    
                Use the following properties to configure CardView selection:
- allowSelectAll
 Allows users to select all or current page cards (based on selectAllMode).
- selectAllMode
 Specifies mode used to select all cards. Applies only if selection.allowSelectAll istrue.
- showCheckBoxesMode
 Specifies when to display card selection checkboxes.