debug_teacherWindowFromAdmin

AdminWindow.axaml.cs

@@ -97,9 +97,12 @@ public partial class AdminWindow : Window
         TeachersFromAdminWindow teachersFromAdminWindow = new TeachersFromAdminWindow();
         var result = await teachersFromAdminWindow.ShowDialog<List<DisciplineGroupTeacher>>(this);
 
+        if (result != null && result.Count > 0)
+        {
             dataSourceDisciplineGroupTeachers.AddRange(result);
             DisplayAll();
         }
+    }
     
     private void ButtonCheckDiscipline_OnClick(object? sender, RoutedEventArgs e)
     {

TeachersFromAdminWindow.axaml.cs

@@ -28,6 +28,10 @@ public partial class TeachersFromAdminWindow : Window
     
     private void ButtonBack_OnClick(object? sender, RoutedEventArgs e)
     {
+        if (result.DisciplineGroupTeachers == null)
+        {
+            Close();
+        }
         Close(result.DisciplineGroupTeachers);
     }
     
@@ -51,7 +55,7 @@ public partial class TeachersFromAdminWindow : Window
         {
             return;
         }
-        dataSourceTeachers.AddRange(result.Teachers);
+        dataSourceTeachers.AddRange(result.Teachers ?? new List<Teacher>());
         DisplayTeachers();
     }
 }

obj/Debug/net8.0/kursovaya.AssemblyInfo.cs

@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("kursovaya")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+d7abb5ffd689ebecb45a3eaa84e87dfd90e6d9f7")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+174854d4ba6a0a72f77efa227a5fba05ab27d5ea")]
 [assembly: System.Reflection.AssemblyProductAttribute("kursovaya")]
 [assembly: System.Reflection.AssemblyTitleAttribute("kursovaya")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

obj/Debug/net8.0/kursovaya.AssemblyInfoInputs.cache

@@ -1 +1 @@
-56b533d6bc40151d11e8da76022af04036771e41ff8ddd0fbff74168ace28e08
+266de39eafce47d0cb23e5249264d18024e4509a623c2cf2b322e5b0250b8541