diff --git a/20240327/WindowsFormsApp1/.vs/WindowsFormsApp1/FileContentIndex/b346422f-e691-466f-9013-a5dafbbc0dfb.vsidx b/20240327/WindowsFormsApp1/.vs/WindowsFormsApp1/FileContentIndex/b346422f-e691-466f-9013-a5dafbbc0dfb.vsidx
new file mode 100644
index 0000000..d2f492e
Binary files /dev/null and b/20240327/WindowsFormsApp1/.vs/WindowsFormsApp1/FileContentIndex/b346422f-e691-466f-9013-a5dafbbc0dfb.vsidx differ
diff --git a/20240327/WindowsFormsApp1/.vs/WindowsFormsApp1/v17/.suo b/20240327/WindowsFormsApp1/.vs/WindowsFormsApp1/v17/.suo
new file mode 100644
index 0000000..0afb3c3
Binary files /dev/null and b/20240327/WindowsFormsApp1/.vs/WindowsFormsApp1/v17/.suo differ
diff --git a/20240327/WindowsFormsApp1/Form1.cs b/20240327/WindowsFormsApp1/Form1.cs
index dfe3c2a..12a6575 100644
--- a/20240327/WindowsFormsApp1/Form1.cs
+++ b/20240327/WindowsFormsApp1/Form1.cs
@@ -25,28 +25,40 @@ namespace WindowsFormsApp1
         private void radioButton1_CheckedChanged(object sender, EventArgs e)
         {
             MaleCheck();
+            Category();
         }
 
         private void radioButton2_CheckedChanged(object sender, EventArgs e)
         {
             MaleCheck();
+            Category();
         }
 
         private void textBox1_TextChanged(object sender, EventArgs e)
         {
-            Data.kg = Convert.ToDouble(textBox1.Text);
-            UpdateIndex();
+            bool noletters = textBox1.Text.Any(x => !char.IsLetter(x));
+            if (textBox1.Text != "" && noletters)
+            {
+                Data.kg = Convert.ToDouble(textBox1.Text);
+                UpdateIndex();
+                Category();
+            }
         }
 
         private void textBox2_TextChanged(object sender, EventArgs e)
         {
-            Data.m = Convert.ToDouble(textBox2.Text)/100;
-            UpdateIndex();
+            bool noletters = textBox2.Text.Any(x => !char.IsLetter(x));
+            if (textBox2.Text != "" && noletters)
+            {
+                Data.m = Convert.ToDouble(textBox2.Text) / 100;
+                UpdateIndex();
+                Category();
+            }
         }
 
         public void UpdateIndex()
         {
-            if (Data.index != null && Data.m != null)
+            if (Data.index != null && Data.m != null && Data.m != 0)
             {
                 Data.index = Data.kg / (Data.m * Data.m);
             }
@@ -84,16 +96,16 @@ namespace WindowsFormsApp1
                     case double n when n < 19.1:
                         label3.Text = $"BMI:{n}\nSovány";
                         break;
-                    case double n when n >= 20.7 && n < 27.8:
+                    case double n when n >= 19.1 && n < 27.3:
                         label3.Text = $"BMI:{n}\nNormális";
                         break;
-                    case double n when n >= 27.8 && n < 32.3:
+                    case double n when n >= 27.3 && n < 31.1:
                         label3.Text = $"BMI:{n}\nTúlsúlyos";
                         break;
-                    case double n when n >= 32.3 && n < 45.4:
+                    case double n when n >= 31.1 && n < 44.8:
                         label3.Text = $"BMI:{n}\nKomolyan Túlsúlyos";
                         break;
-                    case double n when n >= 45.4:
+                    case double n when n >= 44.8:
                         label3.Text = $"BMI:{n}\nVeszélyeztetett";
                         break;
                     default:
diff --git a/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe b/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe
index aa4893e..2884efd 100644
Binary files a/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe and b/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe differ
diff --git a/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb b/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb
index 61ee5b7..0a99ca4 100644
Binary files a/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb and b/20240327/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb differ
diff --git a/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache b/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache
index a6920de..2d21f8d 100644
Binary files a/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache and b/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache differ
diff --git a/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache b/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
index 75a5b2d..ca33182 100644
Binary files a/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache and b/20240327/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache differ
diff --git a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache
index 84695b8..825f721 100644
Binary files a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache and b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.AssemblyReference.cache differ
diff --git a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.CoreCompileInputs.cache b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.CoreCompileInputs.cache
index 4a5524a..cf6f1c0 100644
--- a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.CoreCompileInputs.cache
+++ b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.CoreCompileInputs.cache
@@ -1 +1 @@
-8069502011d0681850e57a53d5a1673222f430a6
+ffeb981a72357c13c78580d1de8dfcfdeab69b3831ebd504970e578b1a834c6f
diff --git a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.FileListAbsolute.txt b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.FileListAbsolute.txt
index 621df7a..cd38ec4 100644
--- a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.FileListAbsolute.txt
+++ b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.FileListAbsolute.txt
@@ -8,3 +8,13 @@ C:\Users\szabomarton\Desktop\C#\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\Win
 C:\Users\szabomarton\Desktop\C#\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.CoreCompileInputs.cache
 C:\Users\szabomarton\Desktop\C#\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.exe
 C:\Users\szabomarton\Desktop\C#\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.pdb
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe.config
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.exe
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\bin\Debug\WindowsFormsApp1.pdb
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.AssemblyReference.cache
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.Form1.resources
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.Properties.Resources.resources
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.GenerateResource.cache
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.csproj.CoreCompileInputs.cache
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.exe
+E:\Házi\Programozás\C#\Suli\ProgaOra\20240327\WindowsFormsApp1\obj\Debug\WindowsFormsApp1.pdb
diff --git a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache
index d5db751..3c11f2f 100644
Binary files a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache and b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.GenerateResource.cache differ
diff --git a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe
index aa4893e..2884efd 100644
Binary files a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe and b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe differ
diff --git a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb
index 61ee5b7..0a99ca4 100644
Binary files a/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb and b/20240327/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb differ