Automatically Move Cursor from One Textbox to Another

Question

I am making a Web application that validates passkeys and displays some values there are four passkeys for a file to be entered Validate it, I am entering the passkeys just

Answer 1

Use the TextBox.Focus() method on the next TextBox. Use the first TextBox's TextBox.TextChanged event to test if focus should be changed and to call the Focus method on the next TextBox.