diff --git a/UP01Task2App/UP01Task2App/Models/Client.cs b/UP01Task2App/UP01Task2App/Models/Client.cs
index aaeaf9f..2b8f8ae 100644
--- a/UP01Task2App/UP01Task2App/Models/Client.cs
+++ b/UP01Task2App/UP01Task2App/Models/Client.cs
@@ -15,6 +15,14 @@ namespace UP01Task2App.Models
         public int SubscriptionNumber { get; set; }
         public string Gender { get; set; }
 
+        public string ShortName
+        {
+            get
+            {
+                return $"{Surname} {Name[0]}.{Patronymic[0]}.";
+            }
+        }
+
         public override string ToString()
         {
             return Surname + " " + Name + " " + Patronymic;
diff --git a/UP01Task2App/UP01Task2App/Models/Record.cs b/UP01Task2App/UP01Task2App/Models/Record.cs
index 51625b8..af97aad 100644
--- a/UP01Task2App/UP01Task2App/Models/Record.cs
+++ b/UP01Task2App/UP01Task2App/Models/Record.cs
@@ -8,7 +8,15 @@ namespace UP01Task2App.Models
     {
         public Client Client { get; set; }
         public Trainer Trainer { get; set; }
-        DateOnly RecordDate { set; get; }
-        TimeOnly RecordTime {  set; get; }
+        public DateOnly RecordDate { set; get; }
+        public TimeOnly RecordTime {  set; get; }
+
+        public string RecordInfo
+        {
+            get
+            {
+                return RecordDate.ToString() + " в " + RecordTime.ToString() + ", " + Trainer.Speciality + ", " + Trainer.ShortName;
+            }
+        }
     }
 }
diff --git a/UP01Task2App/UP01Task2App/Services/JsonService.cs b/UP01Task2App/UP01Task2App/Services/JsonService.cs
index 7e49c9f..6efdbc8 100644
--- a/UP01Task2App/UP01Task2App/Services/JsonService.cs
+++ b/UP01Task2App/UP01Task2App/Services/JsonService.cs
@@ -69,7 +69,7 @@ namespace UP01Task2App.Services
         public void SaveRecordDataToJson(List<Record> recordsList) => SaveToJson(recordPath, recordsList);
 
 #if DEBUG
-        private void CreateTrainersJson()
+        public void CreateTrainersJson()
         {
             Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
 
diff --git a/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs b/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs
index 26d3949..7a60a82 100644
--- a/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs
+++ b/UP01Task2App/UP01Task2App/Services/ValidationHelper.cs
@@ -4,6 +4,7 @@ using System.Text;
 using System.Text.RegularExpressions;
 using System.Windows;
 using System.Windows.Controls;
+using UP01Task2App.Models;
 
 namespace UP01Task2App.Services
 {
@@ -27,6 +28,11 @@ namespace UP01Task2App.Services
             if (obj.SelectedDate > DateTime.Now)
                 throw new ArgumentException($"В поле \"{fieldName}\" выбранная дата не может быть в будущем");
         }
+        public static void ValidateDateNotInThePastTextBox(DatePicker obj, string fieldName)
+        {
+            if (obj.SelectedDate < DateTime.Now.Date)
+                throw new ArgumentException($"В поле \"{fieldName}\" выбранная дата не может быть в прошлом");
+        }
         public static void CheckBirthdate(DatePicker obj)
         {
             if (obj.SelectedDate > DateTime.Today.AddYears(-14)) 
@@ -49,6 +55,13 @@ namespace UP01Task2App.Services
             if (!Regex.IsMatch(obj.Text.Trim(), pattern))
                 throw new ArgumentException($"Надпись в поле \"{fieldName}\" имеет неверный формат \nВерный формат: Фамилия");
         }
+        public static void ValidateTime(TextBox obj)
+        {
+            string pattern = @"^([01]\d|2[0-3]):[0-5]\d$";
+
+            if (!Regex.IsMatch(obj.Text.Trim(), pattern))
+                throw new ArgumentException($"Время введено в неверном формате, верный формат: hh:mm");
+        }
         public static void ValidatePhoneNumber(TextBox obj, string fieldName)
         {
             string pattern = @"^(7|8)\d{10}$";
@@ -61,5 +74,22 @@ namespace UP01Task2App.Services
             if (obj.SelectedValue == null)
                 throw new ArgumentException($"Выберите значение в поле \"{fieldName}\"");
         }
+        public static void ValidateEightDigitLenght(TextBox obj, string fieldName) 
+        {
+            if (obj.Text.Trim().Length != 8)
+                throw new ArgumentException($"Допустимая длинна значения поля \"{fieldName}\" 8 символов");
+        }
+        public static void ValibateClientIdentity(List<Client> ClientsList, TextBox obj)
+        {
+            int subscriptionNumber = int.Parse(obj.Text);
+
+            if (ClientsList.Where(a => a.SubscriptionNumber == subscriptionNumber) != null)
+                throw new ArgumentException($"Клииент с таким номером абонемента уже существует");
+        }
+        public static void ValidateTimeNotInPast(TimeOnly time)
+        {
+            if (time < TimeOnly.FromDateTime(DateTime.Now))
+                throw new ArgumentException($"Время не может быть в прошлом");
+        }
     }
 }
\ No newline at end of file
diff --git a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml
index 1b7558c..e8dc040 100644
--- a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml
+++ b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml
@@ -10,7 +10,7 @@
     <StackPanel Margin="10" HorizontalAlignment="Center">
 
         <TextBlock Text="Клиент:" FontWeight="Bold"/>
-        <TextBlock Text="{Binding SelectedClient.LastName}" Margin="0,0,0,10" FontSize="16"/>
+        <TextBlock Text="{Binding InClient.ShortName}" Margin="0,0,0,10" FontSize="16"/>
 
         <TextBlock Text="Тренировка"/>
         <ComboBox Name="TrainingTextBox"
@@ -24,12 +24,17 @@
                   Style="{StaticResource ComboBoxStyle}"/>
 
         <TextBlock Text="Дата"/>
-        <DatePicker SelectedDate="{Binding SelectedDate}" 
+        <DatePicker Name="DatePicker"
                     Style="{StaticResource DatePickerStyle}"/>
 
+        <TextBlock Text="Время"/>
+        <TextBox Name="TimeTextBox"
+                 Style="{StaticResource TextBoxStyle}"/>
+
         <Button Content="Записать"
                 Margin="0,30,0,0"
                 Width="200"
+                IsDefault="True"
                 Style="{StaticResource ButtonStyle}" Click="Button_Click"/>
 
     </StackPanel>
diff --git a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs
index 6947cd1..e1ddd39 100644
--- a/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs
+++ b/UP01Task2App/UP01Task2App/Windows/AppointmentWindow.xaml.cs
@@ -5,6 +5,7 @@ using System.Security.Policy;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
 using System.Windows.Data;
 using System.Windows.Documents;
 using System.Windows.Input;
@@ -26,10 +27,11 @@ namespace UP01Task2App.Windows
         public Record OutputRecord { get; private set; }
         public ObservableCollection<Trainer> Trainers { get; set; } = new ObservableCollection<Trainer>();
         public ObservableCollection<string> TrainersSpeciality { get; set; } = new ObservableCollection<string>();
-
+        public Client InClient { get; set; }
         public AppointmentWindow(List<Trainer> _trainersList, Client client)
         {
             TrainersList = _trainersList;
+            InClient = client;
 
             foreach (var item in TrainersList)
             {
@@ -38,26 +40,55 @@ namespace UP01Task2App.Windows
 
             TrainersSpecialities = TrainersList
                 .Select(t => t.Speciality)   
-                .Distinct()                 
+                .Distinct()
                 .ToList();
 
             foreach (var item in TrainersSpecialities)
             {
                 TrainersSpeciality.Add(item);
-                MessageBox.Show(item.ToString());
             }
 
             InitializeComponent();
 
+            
+
             this.DataContext = this;
         }
 
         private void Button_Click(object sender, RoutedEventArgs e)
         {
-            ValidationHelper.ValidateNotNullComboBox(TrainingTextBox, "Тренировка");
-            ValidationHelper.ValidateNotNullComboBox(TrainerTextBox, "Тренировка");
+            try
+            {
+                ValidationHelper.ValidateNotNullComboBox(TrainingTextBox, "Тренировка");
+                ValidationHelper.ValidateNotNullComboBox(TrainerTextBox, "Тренер");
+                ValidationHelper.ValidateNotNullDatePicker(DatePicker, "Дата");
+                ValidationHelper.ValidateDateNotInThePastTextBox(DatePicker, "Дата");
+                ValidationHelper.ValidateTime(TimeTextBox);
+                
 
-            
+                DateTime dt = DatePicker.SelectedDate.Value;
+
+                DateOnly date = DateOnly.FromDateTime(dt);
+                TimeOnly time = TimeOnly.Parse(TimeTextBox.Text);
+
+                if(dt == DateTime.Now.Date)
+                    ValidationHelper.ValidateTimeNotInPast(time);
+
+
+                OutputRecord = new Record
+                {
+                    Client = InClient,
+                    Trainer = (Trainer)TrainerTextBox.SelectedValue,
+                    RecordDate = date,
+                    RecordTime = time
+                };
+
+                this.DialogResult = true;
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message);
+            }
         }
 
         private void TrainingTextBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
diff --git a/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml b/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml
index e78e07a..8f69034 100644
--- a/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml
+++ b/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml
@@ -10,27 +10,27 @@
     <Grid>
         <StackPanel Margin="10">
             <TextBlock Text="Клиент:" FontWeight="Bold"/>
-            <TextBlock Text="{Binding SelectedClient.LastName}" Margin="0,0,0,10" FontSize="16"/>
+            <TextBlock Text="{Binding InClient.ShortName}" Margin="0,0,0,10" FontSize="16"/>
 
             <TextBlock Text="Список записей" FontSize="18" Margin="0,0,0,10"/>
 
-            <ListBox ItemsSource="{Binding Appointments}" 
-                 SelectedItem="{Binding SelectedAppointment}"
+            <ListBox ItemsSource="{Binding ClientRecords}" 
                  Height="200"
-                 DisplayMemberPath="LastName"/>
+                 Name="RecordsTextBox"
+                 DisplayMemberPath="RecordInfo"/>
 
             <StackPanel Orientation="Horizontal">
                 <Button Content="Назад"
-                    Command="{Binding BackCommand}"
+                    Name="BackButton"
                     Margin="10"
                     Width="200"
-                    Style="{StaticResource ButtonStyle}"/>
+                    Style="{StaticResource ButtonStyle}" Click="BackButton_Click"/>
 
                 <Button Content="Отменить запись"
-                    Command="{Binding CancelAppointmentCommand}"
+                    Name="CancelRecord"
                     Margin="10"
                     Width="200"
-                    Style="{StaticResource ButtonStyle}"/>
+                    Style="{StaticResource ButtonStyle}" Click="CancelRecord_Click"/>
             </StackPanel>
         </StackPanel>
     </Grid>
diff --git a/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml.cs b/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml.cs
index 472fd90..98d4001 100644
--- a/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml.cs
+++ b/UP01Task2App/UP01Task2App/Windows/ClientAppointmentList.xaml.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
@@ -9,6 +10,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
+using UP01Task2App.Models;
 
 namespace UP01Task2App.Windows
 {
@@ -17,9 +19,41 @@ namespace UP01Task2App.Windows
     /// </summary>
     public partial class ClientAppointmentList : Window
     {
-        public ClientAppointmentList()
+        public Record RecordForDelete {  get; set; }
+        public Client InClient { get; set; }
+        public ObservableCollection<Record> ClientRecords { get; set; } = new();
+        public ClientAppointmentList(List<Record> recordsList, Client inClient)
         {
             InitializeComponent();
+            InClient = inClient;
+
+            ClientRecords = new ObservableCollection<Record>(
+                recordsList.Where(a => a.Client.SubscriptionNumber == inClient.SubscriptionNumber));
+            
+
+            this.DataContext = this;
+        }
+
+        private void BackButton_Click(object sender, RoutedEventArgs e)
+        {
+            this.DialogResult = false;
+
+            this.Close();
+        }
+
+        private void CancelRecord_Click(object sender, RoutedEventArgs e)
+        {
+            if (RecordsTextBox.SelectedIndex != -1)
+            {
+                RecordForDelete = (Record)RecordsTextBox.SelectedValue;
+
+                this.DialogResult = true;
+                this.Close();
+            }
+            else
+            {
+                MessageBox.Show("Выберите запись перед отменой");
+            }
         }
     }
 }
diff --git a/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs b/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs
index b8e04ee..8770844 100644
--- a/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs
+++ b/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs
@@ -70,8 +70,9 @@ namespace UP01Task2App.Windows
                 ValidationHelper.ValidateNotNullTextBox(SubscriptionMumberTextBox, "Номер абонемента");
                 ValidationHelper.ValidateNumTextBox(SubscriptionMumberTextBox, "Номер абонемента");
                 ValidationHelper.ValidateIntRangeTextBox(SubscriptionMumberTextBox, "Номер абонемента");
+                ValidationHelper.ValidateEightDigitLenght(SubscriptionMumberTextBox, "Номер абонемента");
 
-                if (rbMan.IsChecked == null && rbWoman.IsChecked == null)
+                if (rbMan.IsChecked != true && rbWoman.IsChecked != true)
                 {
                     throw new ArgumentException("Выберите пол");
                 }
@@ -89,28 +90,49 @@ namespace UP01Task2App.Windows
         {
             if (ValidateFields())
             {
-                ClientsList.Add(new Client
-                {
-                    Surname = SurnameTextBox.Text,
-                    Name = NameTextBox.Text,
-                    Adress = AdressTextBox.Text,
-                    BirthDate = BirthDateDatePicker.SelectedDate,
-                    Patronymic = PatronymicTextBox.Text,
-                    PhoneNumber = PhoneNumberTextBox.Text,
-                    SubscriptionNumber = int.Parse(SubscriptionMumberTextBox.Text)
-                });
+                int subscriptionNumber = int.Parse(SubscriptionMumberTextBox.Text);
 
-                try
-                {
-                    Json.SaveClientDataToJson(ClientsList);
-                    MessageBox.Show("Данные сохранены");
-                }
-                catch (Exception ex)
-                {
-                    MessageBox.Show(ex.Message);
-                }
+                bool exists = ClientsList.Any(c =>
+                    c.SubscriptionNumber == subscriptionNumber
+                );
 
-                UpdateClientUI();
+                if (!exists)
+                {
+                    string gender = "";
+                    if (rbMan.IsChecked == true)
+                        gender = "М";
+                    else
+                        gender = "Ж";
+
+                    ClientsList.Add(new Client
+                    {
+                        Surname = SurnameTextBox.Text,
+                        Name = NameTextBox.Text,
+                        Adress = AdressTextBox.Text,
+                        BirthDate = BirthDateDatePicker.SelectedDate,
+                        Patronymic = PatronymicTextBox.Text,
+                        PhoneNumber = PhoneNumberTextBox.Text,
+                        SubscriptionNumber = int.Parse(SubscriptionMumberTextBox.Text),
+                        Gender = gender
+
+                    });
+
+                    try
+                    {
+                        Json.SaveClientDataToJson(ClientsList);
+                        MessageBox.Show("Данные сохранены");
+                    }
+                    catch (Exception ex)
+                    {
+                        MessageBox.Show(ex.Message);
+                    }
+
+                    UpdateClientUI();
+                }
+                else
+                {
+                    MessageBox.Show("Клиент с таким абонементом уже существует");
+                }
             }
         }
 
@@ -132,6 +154,15 @@ namespace UP01Task2App.Windows
                     AdressTextBox.Text = client.Adress;
                     PhoneNumberTextBox.Text = client.PhoneNumber;
                     SubscriptionMumberTextBox.Text = client.SubscriptionNumber.ToString();
+
+                    if (client.Gender == "М")
+                    {
+                        rbMan.IsChecked = true;
+                    }
+                    else
+                    {
+                        rbWoman.IsChecked = true;
+                    }
                 }
             }
             catch { }
@@ -152,13 +183,15 @@ namespace UP01Task2App.Windows
                 ValidationHelper.ValidateNumTextBox(PhoneNumberTextBox, "Телефон");
                 ValidationHelper.ValidatePhoneNumber(PhoneNumberTextBox, "Телефон");
 
-                ClientsUI[ClientsListBox.SelectedIndex].PhoneNumber = PhoneNumberTextBox.Text;
-                ClientsUI[ClientsListBox.SelectedIndex].Adress = AdressTextBox.Text;
+                ClientsList[ClientsListBox.SelectedIndex].PhoneNumber = PhoneNumberTextBox.Text;
+                ClientsList[ClientsListBox.SelectedIndex].Adress = AdressTextBox.Text;
 
                 try
                 {
                     Json.SaveClientDataToJson(ClientsList);
                     MessageBox.Show("Данные сохранены");
+
+                    UpdateClientUI();
                 }
                 catch (Exception ex)
                 {
@@ -174,20 +207,56 @@ namespace UP01Task2App.Windows
 
         private void Button_Click_2(object sender, RoutedEventArgs e)
         {
-            AppointmentWindow wnd = new(TrainersList, new Client { Name = "Лох"}); //Временное добавление клиента
-            bool? res = wnd.ShowDialog();
-            
-            if (res == true)
+            if (ClientsListBox.SelectedIndex != -1)
             {
-                RecordsList.Add(new Record()); //Временная заглушка, добавить результат из Dialog
+                AppointmentWindow wnd = new(TrainersList, (Client)ClientsListBox.SelectedValue);
+                bool? res = wnd.ShowDialog();
 
-                Json.SaveRecordDataToJson(RecordsList);
+                if (res == true)
+                {
+                    var record = wnd.OutputRecord;
+                    RecordsList.Add(record);
+
+                    try
+                    {
+                        Json.SaveRecordDataToJson(RecordsList);
+                        MessageBox.Show("Запись успешно добавлена");
+                    }
+                    catch
+                    {
+                        MessageBox.Show("Не удалось добавить запись");
+                    }
+                }
             }
+            else
+                MessageBox.Show("Выберите клиента перед записью");
+            
         }
 
         private void Button_Click_3(object sender, RoutedEventArgs e)
         {
-            //Json.CreateTrainersJson();
+            if (ClientsListBox.SelectedIndex != -1)
+            {
+                ClientAppointmentList wnd = new(RecordsList, (Client)ClientsListBox.SelectedValue);
+                bool? res = wnd.ShowDialog();
+
+                if (res == true)
+                {
+                    try
+                    {
+                        RecordsList.Remove(wnd.RecordForDelete);
+                        Json.SaveRecordDataToJson(RecordsList);
+
+                        MessageBox.Show("Запись успешно удалена");
+                    }
+                    catch
+                    {
+                        MessageBox.Show("Не удалось сохранить данные");
+                    }
+                }
+            }
+            else
+                MessageBox.Show("Выберите клиента перед просмотром");
         }
     }
 }