If one of the fields is empty or blank (just spaces), an error message appears.
After successfully adding:
Error message, if exists, is cleared
All input fields are cleared
The message appears or is updated
The link textbox appears or is updated with a unique generated login link. The access code (end of link) if stored in the DB along with the entered fields.
If one of the fields is empty or blank (just spaces), an error message appears.
After successfully adding: