Ver 1.4.1

WpfApp1/WpfApp1/Coach.cs

@@ -12,6 +12,15 @@ namespace WpfApp1
         public string Name { get; set; }
         public string Patronymic { get; set; }
         public string Speciality { get; set; }
+        public string ShortFIO
+        {
+            get
+            {
+                string n = !string.IsNullOrEmpty(Name) ? $"{Name[0]}." : "";
+                string p = !string.IsNullOrEmpty(Patronymic) ? $"{Patronymic[0]}." : "";
+                return $"{Surname} {n}{p}";
+            }
+        }
         public Coach() { }
     }
 }

WpfApp1/WpfApp1/RecordWindow.xaml

@@ -12,10 +12,18 @@
         <TextBox x:Name="txtClientName" IsReadOnly="True" Background="#3D3D3D"/>
 
         <TextBlock Text="Специальность" Margin="0,10,0,5"/>
-        <ComboBox x:Name="cbSpeciality" SelectionChanged="cbSpeciality_SelectionChanged" DisplayMemberPath="Speciality"/>
+        <ComboBox x:Name="cbSpeciality" SelectionChanged="cbSpeciality_SelectionChanged">
+            <ComboBox.ItemTemplate>
+                <DataTemplate>
+
+                    <TextBlock Text="{Binding}" Foreground="White" Padding="2" />
+
+                </DataTemplate>
+            </ComboBox.ItemTemplate>
+        </ComboBox>
 
         <TextBlock Text="Тренер" Margin="0,10,0,5"/>
-        <ComboBox x:Name="cbCoach" DisplayMemberPath="Surname"/>
+        <ComboBox x:Name="cbCoach" DisplayMemberPath="ShortFIO"/>
 
         <TextBlock Text="Дата" Margin="0,10,0,5"/>
         <DatePicker x:Name="dpDate"/>

WpfApp1/WpfApp1/RecordWindow.xaml.cs

@@ -23,7 +23,7 @@ namespace WpfApp1
     {
         private Client _currentClient;
         private List<Coach> _allCoaches = new List<Coach>();
-        private const string CoachesFilePath = "Data/coaches.json";
+        private const string CoachesFilePath = "C:\\Users\\student1\\source\\repos\\UP01TASK2\\WpfApp1\\WpfApp1\\Data\\coaches.json";
 
         private void LoadCoachesData()
         {
@@ -34,9 +34,8 @@ namespace WpfApp1
 
                 _allCoaches = JsonSerializer.Deserialize<List<Coach>>(json, options) ?? new List<Coach>();
 
-                // Заполняем ComboBox специальностей
                 cbSpeciality.ItemsSource = _allCoaches
-                    .Select(c => c.Speciality)
+                    .Select(c => c.Speciality )
                     .Distinct()
                     .ToList();
             }