public void Save <T>(string fileName, T item) where T : class
{
using (var db = new FitnessContext())
{
if (item is List <User> )
{
db.Users.AddRange(item as List <User>);
}
if (item is List <Food> )
{
db.Foods.AddRange(item as List <Food>);
}
if (item is Eating)
{
db.Eatings.Add(item as Eating);
}
if (item is Gender)
{
db.Genders.Add(item as Gender);
}
db.SaveChanges();
}
}