Fixing the Error: No Value Accessor for Form Control with Unspecified Name Attribute

If you are a developer, you might have encountered the error message "No Value Accessor for Form Control with Unspecified Name Attribute" while working on your Angular project. This error usually occurs when you are trying to bind a form control to a component property that does not exist. In this guide, we will walk you through the steps to fix this error.

Step 1: Identify the Error

The first step in fixing this error is to identify where it is occurring. To do this, you need to open your browser's developer console and look for the error message. The error message will look something like this:

Error: No value accessor for form control with unspecified name attribute
    at _throwError (forms.js: 3357)
    at setUpControl (forms.js: 3195)
    at FormControlDirective.ngOnChanges (forms.js: 7119)
    at checkAndUpdateDirectiveInline (core.js: 24599)
    at checkAndUpdateNodeInline (core.js: 35563)
    at checkAndUpdateNode (core.js: 35502)
    at debugCheckAndUpdateNode (core.js: 36528)
    at debugCheckDirectivesFn (core.js: 36471)
    at Object.eval [as updateDirectives] (AppComponent.html: 2)
    at Object.debugUpdateDirectives [as updateDirectives] (core.js: 36459)

Step 2: Check the Name Attribute

The second step is to check the name attribute of the form control. Make sure that the name attribute is specified and matches the property name in your component. For example, if you have a form control with the name "email", make sure that the component property name is also "email".

<input type="email" name="email" [(ngModel)]="email">

Step 3: Check the Component Property

The third step is to check the component property that you are trying to bind the form control to. Make sure that the property name matches the name attribute of the form control. For example, if you have a form control with the name "email", make sure that the component property name is also "email".

export class MyComponent {
  email: string;
}

Step 4: Add the FormsModule

The fourth step is to make sure that you have imported the FormsModule in your module. The FormsModule is required for two-way data binding with ngModel.

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

@NgModule({
  imports: [
    FormsModule
  ],
  declarations: [
    MyComponent
  ],
  bootstrap: [MyComponent]
})
export class AppModule { }

FAQ

Q1. What causes the "No Value Accessor for Form Control with Unspecified Name Attribute" error?

This error occurs when you are trying to bind a form control to a component property that does not exist.

Q2. How do I fix the "No Value Accessor for Form Control with Unspecified Name Attribute" error?

To fix this error, you need to make sure that the name attribute of the form control matches the component property name.

Q3. What is the FormsModule in Angular?

The FormsModule is a module in Angular that provides two-way data binding with ngModel.

Q4. Can I use ngModel without the FormsModule?

No, you cannot use ngModel without the FormsModule.

Q5. How do I import the FormsModule in my Angular module?

You can import the FormsModule in your Angular module by adding the following line to your imports array:

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

Then, add FormsModule to the imports array in your @NgModule decorator:

@NgModule({
  imports: [
    FormsModule
  ],
  declarations: [
    MyComponent
  ],
  bootstrap: [MyComponent]
})

Sources:

• Angular Docs: Template-driven forms
• Stack Overflow: No value accessor for form control with unspecified name attribute