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You need to add a hidden input field to the form and name it something like 'required' and then list the field names you require to be completed within its 'value'. An example of this is <input type="hidden" name="required" value="fname,lname,email" />.

How to indicate a required field. Provide the required text in the label. Provide a graphic * image in the label with appropriate alt text. Providing a star (asterisk) symbol.

The :required selector selects form elements which are required. Form elements with a required attribute are defined as required. Note: The :required selector only applies to the form elements: input, select and textarea. Tip: Use the :optional selector to select form elements which are optional.

There are four required tags in HTML. These are html, title, head and body. The table below shows you the opening and closing tag, a description and an example.

Set the field's Required property to Yes You can do this by opening the table in Design view. This method is easy and a good choice if you only want to change one field one time. Use a data-definition query that creates a non-null index on the field You can do this by using SQL view.

The required attribute is a boolean attribute. When present, it specifies that an input field must be filled out before submitting the form. Note: The required attribute works with the following input types: text, search, url, tel, email, password, date pickers, number, checkbox, radio, and file.

Use ::after to create a pseudo-element containing an asterisk * to mark one or more input fields as required with an asterisk in HTML and CSS. ::after can be used to add an asterisk * after the label text of each input to indicate that the field is required.