what is the purpose of command name and command argument for a control example button?

Question

what is the purpose of command name and command argument for a control example button? when should we go for this?

Answer 1

This allows you to pass additional parameters to a buttons Command event method identifying the button that called a method. This allows you to have multiple buttons that share similar functionality on your form using the same method when they are clicked rather than implementing a separate click event method for each button.