Query now Ignores Capitalization

Superbuchhaltung/Forms/Form1.cs

@@ -71,9 +71,17 @@ namespace Superbuchhaltung
         {
             if (Selection == 0)
             {
+                if (!Directory.Exists(@"C:\Users\Public\TestFolder\"))
+                {
+                    Directory.CreateDirectory(@"C:\Users\Public\TestFolder\");
+                }
                 PHdataview.Rows.Clear();
                 for (int i = 0; i < 10; i++)
                 {
+                    if(!File.Exists(@"C:\Users\Public\TestFolder\" + i + ".txt"))
+                    {
+                        File.Create(@"C:\Users\Public\TestFolder\" + i + ".txt");
+                    }
                     string[] file = File.ReadAllLines(@"C:\Users\Public\TestFolder\" + i + ".txt");
                     foreach (string f in file)
                     {

Superbuchhaltung/Forms/Prompts/Query.cs

@@ -35,7 +35,7 @@ namespace Superbuchhaltung.Forms.Prompts
                     string[] file = File.ReadAllLines(@"C:\Users\Public\TestFolder\" + i + ".txt");
                     foreach (string s in file)
                     {
-                        if (s.Contains(Suchen.Text))
+                        if (s.ToLower().Contains(Suchen.Text.ToLower()))
                         {
                             result.Add(s);
                             KUHL.Rows.Add(s.Split(';'));

Superbuchhaltung/bin/Release/Superbuchhaltung.exe.config

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
-    </startup>
-</configuration>