diff --git a/20240603/WindowsFormsApp1/.vs/WindowsFormsApp1/v16/.suo b/20240603/WindowsFormsApp1/.vs/WindowsFormsApp1/v16/.suo
index cb310d2..706bfb0 100644
Binary files a/20240603/WindowsFormsApp1/.vs/WindowsFormsApp1/v16/.suo and b/20240603/WindowsFormsApp1/.vs/WindowsFormsApp1/v16/.suo differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/Form1.cs b/20240603/WindowsFormsApp1/WindowsFormsApp1/Form1.cs
index 3b30350..72e338a 100644
--- a/20240603/WindowsFormsApp1/WindowsFormsApp1/Form1.cs
+++ b/20240603/WindowsFormsApp1/WindowsFormsApp1/Form1.cs
@@ -77,8 +77,25 @@ namespace WindowsFormsApp1
                 int elso, utolso, mulasztas;
                 if (int.TryParse(textBox3.Text, out elso) && int.TryParse(textBox4.Text, out utolso) && int.TryParse(textBox5.Text, out mulasztas))
                 {
-                    Tanulo diak = new Tanulo(textBox1.Text, textBox2.Text, elso, utolso, mulasztas);
-                    Data.tanulok.Add(diak);
+                    if (elso > 0 && utolso < 32 && utolso > 0 && elso < 32 && utolso > elso)
+                    {
+                        Tanulo diak = new Tanulo(textBox1.Text, textBox2.Text, elso, utolso, mulasztas);
+                        Data.tanulok.Add(diak);
+
+                        string path = @"C:\Users\szabomarton\Desktop\C#\ProgaOra\20240603\WindowsFormsApp1\WindowsFormsApp1\bin\Debug\szeptember.csv";
+                        string addedline = $"{diak.nev};{diak.osztaly};{diak.elso};{diak.utolso};{diak.mulasztott}";
+                        using (StreamWriter streamWriter = File.AppendText(path))
+                        {
+                            streamWriter.WriteLine(addedline);
+                        }
+
+
+                        MessageBox.Show("Az adatot sikeresen rögzítettük.");
+                    }
+                    else
+                    {
+                        MessageBox.Show("Az utolsó nap nagyobb legyen mint az első!");
+                    }
                     
                 }
                 else
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe b/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe
index 20143e8..a359fe6 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe and b/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb b/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb
index 56aec2a..c44dadc 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb and b/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/szeptember.csv b/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/szeptember.csv
index b6fa218..1f56452 100644
--- a/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/szeptember.csv
+++ b/20240603/WindowsFormsApp1/WindowsFormsApp1/bin/Debug/szeptember.csv
@@ -1,4 +1,4 @@
-Név;Osztály;Első nap;Utolsó nap;Mulasztott órák
+Név;Osztály;Első nap;Utolsó nap;Mulasztott órák
 Balogh Péter;6a;1;1;5
 Horváth Judit;5a;1;1;5
 Juhász János;6a;1;1;5
@@ -99,3 +99,4 @@ Kocsis Panna;7a;29;29;5
 Molnár Hanna;4a;29;29;5
 Szilágyi Ildikó;3a;29;29;5
 Török Adél;2a;29;29;6
+Szabó Márton;12B;1;25;6
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache
index a6920de..0e9caef 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache and b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
index c3115ad..de080d1 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache and b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache
index 84695b8..f5e894a 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache and b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache
index 2a849a4..dc1fd9c 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache and b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe
index 20143e8..a359fe6 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe and b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe differ
diff --git a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb
index 56aec2a..c44dadc 100644
Binary files a/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb and b/20240603/WindowsFormsApp1/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb differ