public async Task <bool> Comit()
{
return(await _db.SaveChangesAsync() > 0);
//try
//{
// await _db.SaveChangesAsync();
// return true;
//}
//catch (Exception)
//{
// return false;
//}
}
public void Delete(T entity)
{
_context.Entry(entity).State = EntityState.Deleted;
_context.SaveChangesAsync();
}