After selecting different options from dropdown, I want to show different input boxes for selected options on my screen to take string input from user

I have 3 options in dropdown list (say options - 1, 2 and 3). Now if user selects option - 1, I want him to give three input box on frontend to fill(say first_name, last-name and birthdate). Now if user selects option - 2, I want him to give two input box on frontend to fill(say phone_number and email). Now if user selects option - 3, I want him to give four input box on frontend to fill(say email, phone_number, birthdate and last_name). And I want to write this code in c# using Blazor framework, How should I implement it. Help me out. Thanks and Regards