Form Field Checkbox Group
A pre-composed form field that wraps a CheckboxGroup control with automatic label, helper text, and error message display. Inherits from FormFieldBase, which provides EditContext integration, auto-generated control IDs, ARIA attribute wiring, and validation error state management.
Default
A basic
FormFieldCheckboxGroup with a label, helper text, and two-way binding via @bind-Values. The component automatically generates a unique ID to associate the label with the group for accessibility.Select all that apply
Selected:
With Select All
Set
ShowSelectAll to true to display a "Select All" checkbox above the group items. Use SelectAllLabel to customize its label text.
Grant all permissions
With Error
Use
ErrorText to manually set a validation error. Click Validate to trigger the error when no topics are selected.Disabled
Set
Disabled to true to prevent user interaction. All checkboxes in the group display with reduced opacity.Contact your administrator to change these settings.
EditForm Validation
Inside an
EditForm, validation errors from DataAnnotationsValidator display automatically. Try submitting without selecting any topics.