silverstripe-framework/docs/en/02_Developer_Guides/03_Forms/Field_types/01_Common_Subclasses.md

title	summary
Common FormField type subclasses	A table containing a list of the common FormField subclasses.

Common FormField type subclasses

This is a high level overview of available FormField subclasses. An automatically generated list is available on the Silverstripe CMS API documentation.

Basic

• CheckboxField: Single checkbox field.
• DropdownField: A <select> tag. Can optionally save into has-one relationships.
• ReadonlyField: Read-only field to display a non-editable value with a label.
• TextareaField: Multi-line text field.
• TextField: Single-line text field.
• PasswordField: Masked input field.

Actions

• FormAction: Button element for forms, both for <input type="submit"> and <button>.

Formatted input

• ConfirmedPasswordField: Two masked input fields, checks for matching passwords.
• CurrencyField: Text field, validating its input as a currency. Limited to US-centric formats, including a hardcoded currency symbol and decimal separators. See MoneyField for a more flexible implementation.
• DateField: Represents a date in a single input field, or separated into day, month, and year. Can optionally use a calendar popup.
• DatetimeField: Combined date- and time field.
• EmailField: Text input field with validation for correct email format according to RFC 2822.
• GroupedDropdownField: Grouped dropdown, using tags.
• HtmlEditorField: A WYSIWYG editor interface.
• DBMoneyField: A form field that can save into a DBMoney database field.
• NumericField: Text input field with validation for numeric values.
• OptionsetField: Set of radio buttons designed to emulate a dropdown.
• SelectionGroup: SelectionGroup represents a number of fields which are selectable by a radio button that appears at the beginning of each item.
• TimeField: Input field with time-specific, localised validation.

Structure

• CompositeField: Base class for all fields that contain other fields. Uses <div> in template, but doesn't necessarily have any visible styling.
• FieldGroup attached in CMS-context.
• FieldList: Basic container for sequential fields, or nested fields through CompositeField.
• TabSet: Collection of fields which is rendered as separate tabs. Can be nested.
• Tab: A single tab inside a TabSet.
• ToggleCompositeField: Allows visibility of a group of fields to be toggled.

Files

• FileField: Simple file upload dialog.

Relations

• CheckboxSetField: Displays a set of checkboxes as a logical group.
• TreeDropdownField: Dropdown-like field that allows you to select an item from a hierarchical AJAX-expandable tree.
• TreeMultiselectField: Represents many-many joins using a tree selector shown in a dropdown-like element
• GridField: Displays a SS_List in a tabular format. Versatile base class which can be configured to allow editing, sorting, etc.
• ListboxField: Multi-line listbox field, through <select multiple>.

Utility

• DatalessField - Base class for fields which add some HTML to the form but don't submit any data or save it to the database
• HeaderField: Renders a simple HTML header element.
• HiddenField - Renders a hidden input field.
• LabelField: Simple label tag. This can be used to add extra text in your forms.
• LiteralField: Renders arbitrary HTML into a form.