Column Fixing
A horizontal scrollbar appears when the total width of all columns exceeds the TreeList component's width. The component allows users to fix individual columns at the right or left border so that they are always visible. To enable this feature, set the columnFixing.enabled property to true.
To fix or unfix a column, users should right-click the column's header and select the corresponding operation in the context menu. To prevent users from fixing or unfixing a column, set its allowFixing property to false.
To fix a column programmatically, set its fixed property to true. The default position is the TreeList's left, but you can set the column's fixedPosition property to "right".
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
Thank you!
We appreciate your feedback.
We appreciate your feedback.
<dx-tree-list
id="employees"
[dataSource]="employees"
keyExpr="ID"
parentIdExpr="Head_ID"
[showRowLines]="true"
[showBorders]="true"
[columnAutoWidth]="true"
[expandedRowKeys]="[1, 2, 10]"
>
<dxo-column-fixing [enabled]="true"></dxo-column-fixing>
<dxi-column dataField="Title" caption="Position"></dxi-column>
<dxi-column dataField="Full_Name" [fixed]="true"></dxi-column>
<dxi-column dataField="City"></dxi-column>
<dxi-column dataField="State"></dxi-column>
<dxi-column dataField="Mobile_Phone"></dxi-column>
<dxi-column dataField="Email"></dxi-column>
<dxi-column dataField="Hire_Date" dataType="date"></dxi-column>
<dxi-column dataField="Birth_Date" dataType="date"></dxi-column>
<dxi-column dataField="Skype"></dxi-column>
</dx-tree-list>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule, BrowserTransferStateModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxTreeListModule } from 'devextreme-angular';
import { Employee, Service } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
providers: [Service],
})
export class AppComponent {
employees: Employee[];
constructor(service: Service) {
this.employees = service.getEmployees();
}
}
@NgModule({
imports: [
BrowserModule,
BrowserTransferStateModule,
DxTreeListModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #employees {
max-height: 440px;
}
import { Injectable } from '@angular/core';
export class Employee {
ID: number;
Head_ID: number;
Full_Name: string;
Prefix: string;
Title: string;
City: string;
State: string;
Email: string;
Skype: string;
Mobile_Phone: string;
Birth_Date: string;
Hire_Date: string;
}
const employees: Employee[] = [{
ID: 1,
Head_ID: 0,
Full_Name: 'John Heart',
Prefix: 'Mr.',
Title: 'CEO',
City: 'Los Angeles',
State: 'California',
Email: 'jheart@dx-email.com',
Skype: 'jheart_DX_skype',
Mobile_Phone: '(213) 555-9392',
Birth_Date: '1964-03-16',
Hire_Date: '1995-01-15',
}, {
ID: 2,
Head_ID: 1,
Full_Name: 'Samantha Bright',
Prefix: 'Dr.',
Title: 'COO',
City: 'Los Angeles',
State: 'California',
Email: 'samanthab@dx-email.com',
Skype: 'samanthab_DX_skype',
Mobile_Phone: '(213) 555-2858',
Birth_Date: '1966-05-02',
Hire_Date: '2004-05-24',
}, {
ID: 3,
Head_ID: 1,
Full_Name: 'Arthur Miller',
Prefix: 'Mr.',
Title: 'CTO',
City: 'Denver',
State: 'Colorado',
Email: 'arthurm@dx-email.com',
Skype: 'arthurm_DX_skype',
Mobile_Phone: '(310) 555-8583',
Birth_Date: '1972-07-11',
Hire_Date: '2007-12-18',
}, {
ID: 4,
Head_ID: 1,
Full_Name: 'Robert Reagan',
Prefix: 'Mr.',
Title: 'CMO',
City: 'Bentonville',
State: 'Arkansas',
Email: 'robertr@dx-email.com',
Skype: 'robertr_DX_skype',
Mobile_Phone: '(818) 555-2387',
Birth_Date: '1974-09-07',
Hire_Date: '2002-11-08',
}, {
ID: 5,
Head_ID: 1,
Full_Name: 'Greta Sims',
Prefix: 'Ms.',
Title: 'HR Manager',
City: 'Atlanta',
State: 'Georgia',
Email: 'gretas@dx-email.com',
Skype: 'gretas_DX_skype',
Mobile_Phone: '(818) 555-6546',
Birth_Date: '1977-11-22',
Hire_Date: '1998-04-23',
}, {
ID: 6,
Head_ID: 3,
Full_Name: 'Brett Wade',
Prefix: 'Mr.',
Title: 'IT Manager',
City: 'Reno',
State: 'Nevada',
Email: 'brettw@dx-email.com',
Skype: 'brettw_DX_skype',
Mobile_Phone: '(626) 555-0358',
Birth_Date: '1968-12-01',
Hire_Date: '2009-03-06',
}, {
ID: 7,
Head_ID: 5,
Full_Name: 'Sandra Johnson',
Prefix: 'Mrs.',
Title: 'Controller',
City: 'Beaver',
State: 'Utah',
Email: 'sandraj@dx-email.com',
Skype: 'sandraj_DX_skype',
Mobile_Phone: '(562) 555-2082',
Birth_Date: '1974-11-15',
Hire_Date: '2005-05-11',
}, {
ID: 8,
Head_ID: 4,
Full_Name: 'Ed Holmes',
Prefix: 'Dr.',
Title: 'Sales Manager',
City: 'Malibu',
State: 'California',
Email: 'edwardh@dx-email.com',
Skype: 'edwardh_DX_skype',
Mobile_Phone: '(310) 555-1288',
Birth_Date: '1973-07-14',
Hire_Date: '2005-06-19',
}, {
ID: 9,
Head_ID: 3,
Full_Name: 'Barb Banks',
Prefix: 'Mrs.',
Title: 'Support Manager',
City: 'Phoenix',
State: 'Arizona',
Email: 'barbarab@dx-email.com',
Skype: 'barbarab_DX_skype',
Mobile_Phone: '(310) 555-3355',
Birth_Date: '1979-04-14',
Hire_Date: '2002-08-07',
}, {
ID: 10,
Head_ID: 2,
Full_Name: 'Kevin Carter',
Prefix: 'Mr.',
Title: 'Shipping Manager',
City: 'San Diego',
State: 'California',
Email: 'kevinc@dx-email.com',
Skype: 'kevinc_DX_skype',
Mobile_Phone: '(213) 555-2840',
Birth_Date: '1978-01-09',
Hire_Date: '2009-08-11',
}, {
ID: 11,
Head_ID: 5,
Full_Name: 'Cindy Stanwick',
Prefix: 'Ms.',
Title: 'HR Assistant',
City: 'Little Rock',
State: 'Arkansas',
Email: 'cindys@dx-email.com',
Skype: 'cindys_DX_skype',
Mobile_Phone: '(818) 555-6655',
Birth_Date: '1985-06-05',
Hire_Date: '2008-03-24',
}, {
ID: 12,
Head_ID: 8,
Full_Name: 'Sammy Hill',
Prefix: 'Mr.',
Title: 'Sales Assistant',
City: 'Pasadena',
State: 'California',
Email: 'sammyh@dx-email.com',
Skype: 'sammyh_DX_skype',
Mobile_Phone: '(626) 555-7292',
Birth_Date: '1984-02-17',
Hire_Date: '2012-02-01',
}, {
ID: 13,
Head_ID: 10,
Full_Name: 'Davey Jones',
Prefix: 'Mr.',
Title: 'Shipping Assistant',
City: 'Pasadena',
State: 'California',
Email: 'davidj@dx-email.com',
Skype: 'davidj_DX_skype',
Mobile_Phone: '(626) 555-0281',
Birth_Date: '1983-03-06',
Hire_Date: '2011-04-24',
}, {
ID: 14,
Head_ID: 10,
Full_Name: 'Victor Norris',
Prefix: 'Mr.',
Title: 'Shipping Assistant',
City: 'Little Rock',
State: 'Arkansas',
Email: 'victorn@dx-email.com',
Skype: 'victorn_DX_skype',
Mobile_Phone: '(213) 555-9278',
Birth_Date: '1986-07-23',
Hire_Date: '2012-07-23',
}, {
ID: 15,
Head_ID: 10,
Full_Name: 'Mary Stern',
Prefix: 'Ms.',
Title: 'Shipping Assistant',
City: 'Beaver',
State: 'Utah',
Email: 'marys@dx-email.com',
Skype: 'marys_DX_skype',
Mobile_Phone: '(818) 555-7857',
Birth_Date: '1982-04-08',
Hire_Date: '2012-08-12',
}, {
ID: 16,
Head_ID: 10,
Full_Name: 'Robin Cosworth',
Prefix: 'Mrs.',
Title: 'Shipping Assistant',
City: 'Los Angeles',
State: 'California',
Email: 'robinc@dx-email.com',
Skype: 'robinc_DX_skype',
Mobile_Phone: '(818) 555-0942',
Birth_Date: '1981-06-12',
Hire_Date: '2012-09-01',
}, {
ID: 17,
Head_ID: 9,
Full_Name: 'Kelly Rodriguez',
Prefix: 'Ms.',
Title: 'Support Assistant',
City: 'Boise',
State: 'Idaho',
Email: 'kellyr@dx-email.com',
Skype: 'kellyr_DX_skype',
Mobile_Phone: '(818) 555-9248',
Birth_Date: '1988-05-11',
Hire_Date: '2012-10-13',
}, {
ID: 18,
Head_ID: 9,
Full_Name: 'James Anderson',
Prefix: 'Mr.',
Title: 'Support Assistant',
City: 'Atlanta',
State: 'Georgia',
Email: 'jamesa@dx-email.com',
Skype: 'jamesa_DX_skype',
Mobile_Phone: '(323) 555-4702',
Birth_Date: '1987-01-29',
Hire_Date: '2012-10-18',
}, {
ID: 19,
Head_ID: 9,
Full_Name: 'Antony Remmen',
Prefix: 'Mr.',
Title: 'Support Assistant',
City: 'Boise',
State: 'Idaho',
Email: 'anthonyr@dx-email.com',
Skype: 'anthonyr_DX_skype',
Mobile_Phone: '(310) 555-6625',
Birth_Date: '1986-02-19',
Hire_Date: '2013-01-19',
}, {
ID: 20,
Head_ID: 8,
Full_Name: 'Olivia Peyton',
Prefix: 'Mrs.',
Title: 'Sales Assistant',
City: 'Atlanta',
State: 'Georgia',
Email: 'oliviap@dx-email.com',
Skype: 'oliviap_DX_skype',
Mobile_Phone: '(310) 555-2728',
Birth_Date: '1981-06-03',
Hire_Date: '2012-05-14',
}, {
ID: 21,
Head_ID: 6,
Full_Name: 'Taylor Riley',
Prefix: 'Mr.',
Title: 'Network Admin',
City: 'San Jose',
State: 'California',
Email: 'taylorr@dx-email.com',
Skype: 'taylorr_DX_skype',
Mobile_Phone: '(310) 555-7276',
Birth_Date: '1982-08-14',
Hire_Date: '2012-04-14',
}, {
ID: 22,
Head_ID: 6,
Full_Name: 'Amelia Harper',
Prefix: 'Mrs.',
Title: 'Network Admin',
City: 'Los Angeles',
State: 'California',
Email: 'ameliah@dx-email.com',
Skype: 'ameliah_DX_skype',
Mobile_Phone: '(213) 555-4276',
Birth_Date: '1983-11-19',
Hire_Date: '2011-02-10',
}, {
ID: 23,
Head_ID: 6,
Full_Name: 'Wally Hobbs',
Prefix: 'Mr.',
Title: 'Programmer',
City: 'Chatsworth',
State: 'California',
Email: 'wallyh@dx-email.com',
Skype: 'wallyh_DX_skype',
Mobile_Phone: '(818) 555-8872',
Birth_Date: '1984-12-24',
Hire_Date: '2011-02-17',
}, {
ID: 24,
Head_ID: 6,
Full_Name: 'Brad Jameson',
Prefix: 'Mr.',
Title: 'Programmer',
City: 'San Fernando',
State: 'California',
Email: 'bradleyj@dx-email.com',
Skype: 'bradleyj_DX_skype',
Mobile_Phone: '(818) 555-4646',
Birth_Date: '1988-10-12',
Hire_Date: '2011-03-02',
}, {
ID: 25,
Head_ID: 6,
Full_Name: 'Karen Goodson',
Prefix: 'Miss',
Title: 'Programmer',
City: 'South Pasadena',
State: 'California',
Email: 'kareng@dx-email.com',
Skype: 'kareng_DX_skype',
Mobile_Phone: '(626) 555-0908',
Birth_Date: '1987-04-26',
Hire_Date: '2011-03-14',
}, {
ID: 26,
Head_ID: 5,
Full_Name: 'Marcus Orbison',
Prefix: 'Mr.',
Title: 'Travel Coordinator',
City: 'Los Angeles',
State: 'California',
Email: 'marcuso@dx-email.com',
Skype: 'marcuso_DX_skype',
Mobile_Phone: '(213) 555-7098',
Birth_Date: '1982-03-02',
Hire_Date: '2005-05-19',
}, {
ID: 27,
Head_ID: 5,
Full_Name: 'Sandy Bright',
Prefix: 'Ms.',
Title: 'Benefits Coordinator',
City: 'Denver',
State: 'Colorado',
Email: 'sandrab@dx-email.com',
Skype: 'sandrab_DX_skype',
Mobile_Phone: '(818) 555-0524',
Birth_Date: '1983-09-11',
Hire_Date: '2005-06-04',
}, {
ID: 28,
Head_ID: 6,
Full_Name: 'Morgan Kennedy',
Prefix: 'Mrs.',
Title: 'Graphic Designer',
City: 'San Fernando Valley',
State: 'California',
Email: 'morgank@dx-email.com',
Skype: 'morgank_DX_skype',
Mobile_Phone: '(818) 555-8238',
Birth_Date: '1984-07-17',
Hire_Date: '2012-01-11',
}, {
ID: 29,
Head_ID: 28,
Full_Name: 'Violet Bailey',
Prefix: 'Ms.',
Title: 'Jr Graphic Designer',
City: 'La Canada',
State: 'California',
Email: 'violetb@dx-email.com',
Skype: 'violetb_DX_skype',
Mobile_Phone: '(818) 555-2478',
Birth_Date: '1985-06-10',
Hire_Date: '2012-01-19',
}, {
ID: 30,
Head_ID: 5,
Full_Name: 'Ken Samuelson',
Prefix: 'Dr.',
Title: 'Ombudsman',
City: 'St. Louis',
State: 'Missouri',
Email: 'kents@dx-email.com',
Skype: 'kents_DX_skype',
Mobile_Phone: '(562) 555-9282',
Birth_Date: '1972-09-11',
Hire_Date: '2009-04-22',
}];
@Injectable()
export class Service {
getEmployees(): Employee[] {
return employees;
}
}
// In real applications, you should not transpile code in the browser.
// You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
},
meta: {
'typescript': {
'exports': 'ts',
},
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
map: {
'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'@angular/core': 'npm:@angular/core@12.2.17',
'@angular/platform-browser': 'npm:@angular/platform-browser@12.2.17',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.17',
'@angular/forms': 'npm:@angular/forms@12.2.17',
'@angular/common': 'npm:@angular/common@12.2.17',
'@angular/compiler': 'npm:@angular/compiler@12.2.17',
'tslib': 'npm:tslib@2.3.1/tslib.js',
'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js',
'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@23.1.5/cjs',
'devextreme/bundles/dx.all': 'npm:devextreme@23.1.5/bundles/dx.all.js',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.6.2/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.1',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.48',
'devextreme-angular': 'npm:devextreme-angular@23.1.5',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js',
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts',
},
'devextreme': {
defaultExtension: 'js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
'rxjs': {
defaultExtension: 'js',
},
'rxjs/operators': {
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.11/inferno/package.json',
'npm:@angular/*/package.json',
'npm:@angular/common@12.2.17/*/package.json',
'npm:rxjs@7.5.3/package.json',
'npm:rxjs@7.5.3/operators/package.json',
'npm:devextreme-angular@23.1.5/*/package.json',
'npm:devextreme-angular@23.1.5/ui/*/package.json',
'npm:devextreme-angular@23.1.5/package.json',
'npm:devexpress-diagram@2.2.1/package.json',
'npm:devexpress-gantt@4.1.48/package.json',
],
};
System.config(window.config);
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<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=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.12.0/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.13/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import("app").catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>