public async Task <bool> Exists(Expression <Func <T, bool> > query)
 {
     try
     {
         return(await _context
                .Set <T>()
                .AnyAsync(query));
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
 public GenericRepository(CompanyApiContext context)
 {
     _context = context;
     _dataset = context.Set <T>();
 }