Should the password field be cleared if there's a connection error?

1. What is the purpose of a password field?
2. How to prevent clear text password in asp net?
3. Which field is used to enter password?

What is the purpose of a password field?

Passwords provide the first line of defense against unauthorized access to your computer and personal information. The stronger your password, the more protected your computer will be from hackers and malicious software.

How to prevent clear text password in asp net?

Just add type="password" in asp:textbox and remove Textmode="Password" and no need to write any code in code-behind.

Which field is used to enter password?

The <input> tag with a type="password" attribute creates a text field where users can securily enter a password.