diff --git a/ConsoleApplication/ConsoleApplication.csproj b/ConsoleApplication/ConsoleApplication.csproj
index 78886ba..002c78d 100644
--- a/ConsoleApplication/ConsoleApplication.csproj
+++ b/ConsoleApplication/ConsoleApplication.csproj
@@ -21,7 +21,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
diff --git a/ConsoleApplication/Program.cs b/ConsoleApplication/Program.cs
index 084f9c1..daee2c9 100644
--- a/ConsoleApplication/Program.cs
+++ b/ConsoleApplication/Program.cs
@@ -22,7 +22,7 @@ namespace ConsoleApplication
 
             var manager = kernel.Get<IAuftraggeberManager>();
             var baustellen = kernel.Get<IBaustelleManager>();
-            /*
+            
             Auftraggeber auftraggeber = new Auftraggeber();
             auftraggeber.Baustellen = new List<Bauvorhaben>();
             auftraggeber.Baustellen.Add(new Bauvorhaben()
@@ -41,7 +41,7 @@ namespace ConsoleApplication
             var auftragger = manager.GetAllAuftraggeber();
             var bau = baustellen.GetAllBauvorhaben();
             
-            */
+            
             Debugger.Break();
             
             /*
diff --git a/DPGetDataContract/DPGetDataContract.csproj b/DPGetDataContract/DPGetDataContract.csproj
index ca4ecaa..e854c60 100644
--- a/DPGetDataContract/DPGetDataContract.csproj
+++ b/DPGetDataContract/DPGetDataContract.csproj
@@ -4,7 +4,7 @@
   </ItemGroup>
   
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
diff --git a/DataGenTests/DataGenTests.csproj b/DataGenTests/DataGenTests.csproj
index 97902e8..84d3ecd 100644
--- a/DataGenTests/DataGenTests.csproj
+++ b/DataGenTests/DataGenTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>
diff --git a/DataStoring.CSV/DataStoring.CSV.csproj b/DataStoring.CSV/DataStoring.CSV.csproj
index 9035512..7a15881 100644
--- a/DataStoring.CSV/DataStoring.CSV.csproj
+++ b/DataStoring.CSV/DataStoring.CSV.csproj
@@ -6,7 +6,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
diff --git a/DataStoring.Contract/DataStoring.Contract.csproj b/DataStoring.Contract/DataStoring.Contract.csproj
index 500c098..fd430a0 100644
--- a/DataStoring.Contract/DataStoring.Contract.csproj
+++ b/DataStoring.Contract/DataStoring.Contract.csproj
@@ -5,7 +5,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
diff --git a/DataStoring.EfCore/DPContext.cs b/DataStoring.EfCore/DPContext.cs
index 07b3aa2..23aed4c 100644
--- a/DataStoring.EfCore/DPContext.cs
+++ b/DataStoring.EfCore/DPContext.cs
@@ -24,7 +24,8 @@ namespace DataStoring.EfCore
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         {
             base.OnConfiguring(optionsBuilder);
-            optionsBuilder.UseNpgsql("Host = 192.168.1.195; Database = DP; Username = DP; Password = DP");
+            //optionsBuilder.UseNpgsql("Host = 192.168.1.195; Database = DP; Username = DP; Password = DP");
+            optionsBuilder.UseSqlite($"Data Source=Datenbank.db");
         }
     }
 }
diff --git a/DataStoring.EfCore/DataStoring.EfCore.csproj b/DataStoring.EfCore/DataStoring.EfCore.csproj
index b8f11db..5b92ff8 100644
--- a/DataStoring.EfCore/DataStoring.EfCore.csproj
+++ b/DataStoring.EfCore/DataStoring.EfCore.csproj
@@ -1,16 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.3" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.3">
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="5.0.2" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.5" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.4" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.Design" Version="1.1.0" />
   </ItemGroup>
 
diff --git a/DataStoring.EfCore/Datenbank.db b/DataStoring.EfCore/Datenbank.db
new file mode 100644
index 0000000..96e61e1
Binary files /dev/null and b/DataStoring.EfCore/Datenbank.db differ
diff --git a/DichtheitManagement.Contract/DichtheitManagement.Contract.csproj b/DichtheitManagement.Contract/DichtheitManagement.Contract.csproj
index 6084dbc..015b8ce 100644
--- a/DichtheitManagement.Contract/DichtheitManagement.Contract.csproj
+++ b/DichtheitManagement.Contract/DichtheitManagement.Contract.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DichtheitManagement/DichtheitManagement.csproj b/DichtheitManagement/DichtheitManagement.csproj
index a3cd123..cf889d3 100644
--- a/DichtheitManagement/DichtheitManagement.csproj
+++ b/DichtheitManagement/DichtheitManagement.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DichtheitsprüfungTerminal/DichtheitsprüfungTerminal.csproj b/DichtheitsprüfungTerminal/DichtheitsprüfungTerminal.csproj
index dbe7889..5e8831b 100644
--- a/DichtheitsprüfungTerminal/DichtheitsprüfungTerminal.csproj
+++ b/DichtheitsprüfungTerminal/DichtheitsprüfungTerminal.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net5.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/GuiWPF/GuiWPF.csproj b/GuiWPF/GuiWPF.csproj
index 2975bef..3356d60 100644
--- a/GuiWPF/GuiWPF.csproj
+++ b/GuiWPF/GuiWPF.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net5.0-windows</TargetFramework>
+    <TargetFramework>net6.0-windows</TargetFramework>
     <UseWPF>true</UseWPF>
   </PropertyGroup>
 
diff --git a/GuiWPF_ViewModel/GuiWPF_ViewModel.csproj b/GuiWPF_ViewModel/GuiWPF_ViewModel.csproj
index 9f5c4f4..efc79fa 100644
--- a/GuiWPF_ViewModel/GuiWPF_ViewModel.csproj
+++ b/GuiWPF_ViewModel/GuiWPF_ViewModel.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
diff --git a/Mappings/Mappings.csproj b/Mappings/Mappings.csproj
index 7fda3fc..51312db 100644
--- a/Mappings/Mappings.csproj
+++ b/Mappings/Mappings.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Models/Models.csproj b/Models/Models.csproj
index 9f5c4f4..efc79fa 100644
--- a/Models/Models.csproj
+++ b/Models/Models.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
diff --git a/ProtokollWriter/ProtokollWriter.csproj b/ProtokollWriter/ProtokollWriter.csproj
index 234a30e..c44a7c4 100644
--- a/ProtokollWriter/ProtokollWriter.csproj
+++ b/ProtokollWriter/ProtokollWriter.csproj
@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>
diff --git a/ProtokollWriterContract/ProtokollWriterContract.csproj b/ProtokollWriterContract/ProtokollWriterContract.csproj
index 500c098..fd430a0 100644
--- a/ProtokollWriterContract/ProtokollWriterContract.csproj
+++ b/ProtokollWriterContract/ProtokollWriterContract.csproj
@@ -5,7 +5,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+	  <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>