Completed cars

RentACar/Data/Models/Car.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -10,16 +11,21 @@ namespace Data.Entities
     {
         public int Id { get; set; }
 
+        [Required]
         public string Brand { get; set; }
 
+        [Required]
         public string Model { get; set; }
 
+        [Required]
         public int Year { get; set; }
 
+        [Required]
         public int CountPassengerSeats { get; set; }
 
         public string Description { get; set; }
 
+        [Required]
         public decimal PriceForDay { get; set; }
     }
 }