hasErrorState

Whether this DatePicker's state is ERROR — used by its renderer to switch the underlying Material field into error styling.

Whether this TimePicker's state is ERROR — used by its renderer to switch the underlying Material field into error styling.

Whether this DropdownList's state is ERROR — used by its renderer to switch the underlying Material field into error styling.

Whether this TextField's state is ERROR — used by its renderer to switch the underlying Material field into error styling.