Changed List to Set

src/Banquale/Banquale/DataContractPersistance/DataContractPers.cs

@@ -10,7 +10,9 @@ namespace Banquale.DataContractPersistance
 {
 	public class DataContractPers : IPersistenceManager
 	{
-        public string FilePath { get; set; } = Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "/datbase.xml";
+        //public string FilePath { get; set; } = Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "/datbase.xml";
+
+        public string FilePath { get; set; } = FileSystem.Current.AppDataDirectory;
 		public string FileName { get; set; } = "CustomerList.xml";
 
 		public List<Customer> DataLoad()

src/Banquale/Banquale/Model/Account.cs

@@ -10,7 +10,7 @@ using System.Threading.Tasks;
 namespace Banquale.Model
 {
     [DataContract]
-    public class Account : INotifyPropertyChanged
+    public class Account : INotifyPropertyChanged, IEquatable<Account>
     {
 	public event PropertyChangedEventHandler PropertyChanged;
 
@@ -87,6 +87,8 @@ namespace Banquale.Model
             Debug.WriteLine(iban);
             Debug.WriteLine(sum);
             Debug.WriteLine("Transaction successed !");
+
+
         }
 
         //public bool DoRequest(string name, string IBAN, float sum)
@@ -114,5 +116,16 @@ namespace Banquale.Model
         {
             throw new NotImplementedException();
         }
+
+        public bool Equals(Account other)
+        {
+            if(other == null) return false;
+            else return other.IBAN.Equals(IBAN);
+        }
+
+        public override int GetHashCode()
+        {
+            return IBAN.GetHashCode();
+        }
     }
 }

src/Banquale/Banquale/Model/Manager.cs

@@ -9,7 +9,6 @@ namespace Banquale.Model
 		[DataMember]
 		public List<Customer> CustomersList { get; private set; }
 
-		[DataMember]
         public List<Transactions> TransactionsList { get; private set; }
 
 		public List<Account> AccountList { get; private set; }