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How do I use dropdown in dropdown?
Use any element to open the dropdown menu, e.g. a <button>, <a> or <p> element. Use a container element (like <div>) to create the dropdown menu and add the dropdown links inside it. Wrap a <div> element around the button and the <div> to position the dropdown menu correctly with CSS.
What is a nested dropdown?
Nested dropdowns allow you to have a second dropdown appear once a first dropdown is answered. This is particularly helpful for cases involving responses dependent on a previous answer. (For example, someone's country, state, and city).
What is cascaded dropdown?
A cascading drop-down list is a series of dependent DropDownList controls in which one DropDownList control depends on the parent or previous DropDownList controls. The items in the DropDownList control are populated based on an item that is selected by the user from another DropDownList control.
