working

Person.cs

@@ -6,13 +6,17 @@ using System.Threading.Tasks;
 
 namespace it_projekt
 {
-    class Person
+    public class Person
     {
         public string Id { get; set; }
         public string Lastname { get; set; }
         public string Firstname  { get; set; }
         public DateTime CreationDate { get; set; }
 
+        public Person()
+        {
+
+        }
         public Person(string Id, string Lastname, string Firstname, DateTime CreationDate) 
         { 
             this.Id = Id;