How old is she? Would she manage in a booster seat? Maybe she'd prefer that?
Does your high chair have a tray? If so, would she prefer one without a tray that pulls up to the table?
Eta just saw on your other thread that she's 14 months. So prob not ready for a booster seat yet.
Does she let you put her in the high chair but not eat, or does she refuse/protest when you try to put her in?
Iiwm I'd just keep persisting with the high chair and she'll soon catch on that meals are at the table now.