Angular Material Select : How to set selected group of options with mat-optgroup?

Shalini

Asked on October 09, 2019

In my Angular Material application, I am creating groups of options in Select element. I need to set selected group of options dynamically using FormGroup. How to do it?

Write Answer

NullInjectorError: No provider for ActivatedRoute!
error NG8002: Can't bind to 'routerLink' since it isn't a known property of 'a'
Property has no initializer and is not definitely assigned in the constructor
Need help with Angular Interview Questions
Testing server sent events with Karma and Jasmine in Angular
ng extract-i18n not working
Unable to read the value which is in array inside Model
Angular Material Datepicker format YYYY-MM-DD
Angular Material Datepicker format DD-MM-YYYY
What is dateA11yLabel and monthYearA11yLabel in Datepicker in Angular Material?
Error: Cannot find module 'moment' or its corresponding type declarations
Error: "MatDatepicker: No provider found for DateAdapter
Angular 9 new features
Angular2 - Check-All box is selecting disabled checkbox in ngx data table
disable the checkbox of ngx-datatable based on some condition
when export data to excel error excel file not readable content?
Problem with the output of the Nested JSON
how to store the result of the JSON-RPC response to a variable?
Redirect to previous page after login
Fetching and Displaying filtered Json data from API(very very urgent)
Fetching and Displaying filtered Json data from API(very very urgent)
How to store a json data in array only for particular id in angular 7
Angular- Get value from nested object in JSON
angular 7 SEO change meta tags change in view html
logout all open tabs automatically when user logs out in one of them in angular 6
ERROR Error: "mat-form-field must contain a MatFormFieldControl."
State binding in angular at the time of country selection
Angular KeyValueDiffers vs IterableDiffers
How to loop through and display objects from an HTTP array of objects ?
How to get value from the below JSON array in angular?

Latest Forum Post

Spring Boot Hikari Default Pool Size (Spring)
java.lang.IllegalArgumentException: Not a managed type (Spring)
No plugin found for prefix 'spring-boot' in the current project (Spring)
MaterialToolbar vs Toolbar (Android)
What is the use of LayoutInflater in Android? (Android)

About Us

We are a group of software developers.
We enjoy learning and sharing technologies.
To improve the site's content,
your valuable suggestions
are most welcome. Thanks
Email : concretepage@gmail.com

Mobile Apps

SCJP Quiz

ConcretePage.com

Utility

Age Calculator

Angular Material Select : How to set selected group of options with mat-optgroup?

Write Answer

Related Post

About Us

Mobile Apps

Utility