When working with Angular, it is easy to come across the following error: Can’t bind to ‘formgroup’ since it isn’t a known property of ‘form’. A form group is the main part of an angular reactive form module. 

This error usually arises when users fail to include the ReactiveFormsModule command in their main module. Those employing lazy loading modules will also get this problem.

Here is an example of this error:

<form [formGroup]="myForm">
  Naam: <input type="text" formControlName="name"><br>
  Age: <input type="number" formControlName="age">
  <button>Save</button>
</form>

Output:

Can't bind to 'formgroup' since it isn't a known property of 'form'

In this article, we will show some methods to solve can’t bind to ‘formgroup’ since it isn’t a known property of ‘form’ error in Angular.

How To Solve The Problem

The best way to solve the error is to make use of the FormsModule and ReactiveFormsModule. Adding these two commands into the imports array will bring out the best result.

To clarify two commands, the FormsModule is called to make any necessary import to implement the form. 

Syntax:

import { FormsModule } from '@angular/forms';

FormsModule stands for Formulation. With instructors and export required vendors for template-based formsmaking, the function enables users to isolate and deal with specific forms on a HTML page. You can consider it as an extension of your network module. 

On the other hand, Angular ReactFormsModule follows a different model-based approach. It forms input processing with the changeable values. 

These modules are also considered as model-based shapes. They enable you to build and update a simple form control while using various controls in one group. Thanks to it, you can review your form values and implement other advanced ones. 

Using these two functions will make the component’s template much cleaner and more focus on the desired presentation logic. Plus, ReactiveFormsModule allows for easy creation of a custom validator. All you have to do is to define and plug a function into your configuration.

Here is how to incorporate two functions mentioned above to solve the existing Angular problem. In an app.module.js file, let’s run the following code:

import { FormsModule, ReactiveFormsModule } from '@angular/forms';

This code imports 2 modules successfully from the @angular/forms one. In the imports array, write:

import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';

This way, you have added them to your app and use them without running into the error.

Conclusion

Can’t bind to ‘formGroup’ since it isn’t a known property of ‘form’ is not a rare error in Angular. Thus, it is vital to know how to fix it. Undoubtedly, the best way to accomplish the task is to add ReactiveFormsModule and FormsModule into the imports array.