Lghgaming

After training at Dragons Den, my Shiny Rattata get level 80, then the Silver Server lost connection then i sent back to Goldenrod Pokecenter and my Rattata became level 7. I was shock. How can i get back my rattata at level 80. Another bug that sometimes i met a wild pokemon and it said my pokemon has fainted but i did nothing. Sorry about my English and thanks for help.