diff --git a/Online Gokkantoor/Gui/Gui.csproj b/Online Gokkantoor/Gui/Gui.csproj
index 05f6a91..44fab2a 100644
--- a/Online Gokkantoor/Gui/Gui.csproj	
+++ b/Online Gokkantoor/Gui/Gui.csproj	
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,6 +9,18 @@
     <RootNamespace>Gui</RootNamespace>
     <AssemblyName>Gui</AssemblyName>
     <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <FileUpgradeFlags>
+    </FileUpgradeFlags>
+    <UpgradeBackupLocation>
+    </UpgradeBackupLocation>
+    <OldToolsVersion>4.0</OldToolsVersion>
+    <UseIISExpress>true</UseIISExpress>
+    <Use64BitIISExpress />
+    <IISExpressSSLPort />
+    <IISExpressAnonymousAuthentication />
+    <IISExpressWindowsAuthentication />
+    <IISExpressUseClassicPipelineMode />
+    <UseGlobalApplicationHostFile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -51,60 +63,70 @@
     </Compile>
     <Compile Include="Default.aspx.cs">
       <DependentUpon>Default.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="Default.aspx.designer.cs">
       <DependentUpon>Default.aspx</DependentUpon>
     </Compile>
     <Compile Include="Login.aspx.cs">
       <DependentUpon>Login.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="Login.aspx.designer.cs">
       <DependentUpon>Login.aspx</DependentUpon>
     </Compile>
     <Compile Include="mainForm.aspx.cs">
       <DependentUpon>mainForm.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="mainForm.aspx.designer.cs">
       <DependentUpon>mainForm.aspx</DependentUpon>
     </Compile>
     <Compile Include="Admin.aspx.cs">
       <DependentUpon>Admin.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="Admin.aspx.designer.cs">
       <DependentUpon>Admin.aspx</DependentUpon>
     </Compile>
     <Compile Include="addUser.aspx.cs">
       <DependentUpon>addUser.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="addUser.aspx.designer.cs">
       <DependentUpon>addUser.aspx</DependentUpon>
     </Compile>
     <Compile Include="addBet.aspx.cs">
       <DependentUpon>addBet.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="addBet.aspx.designer.cs">
       <DependentUpon>addBet.aspx</DependentUpon>
     </Compile>
     <Compile Include="addMatch.aspx.cs">
       <DependentUpon>addMatch.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="addMatch.aspx.designer.cs">
       <DependentUpon>addMatch.aspx</DependentUpon>
     </Compile>
     <Compile Include="addPloeg.aspx.cs">
       <DependentUpon>addPloeg.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="addPloeg.aspx.designer.cs">
       <DependentUpon>addPloeg.aspx</DependentUpon>
     </Compile>
     <Compile Include="addBalance.aspx.cs">
       <DependentUpon>addBalance.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="addBalance.aspx.designer.cs">
       <DependentUpon>addBalance.aspx</DependentUpon>
     </Compile>
     <Compile Include="updateGame.aspx.cs">
       <DependentUpon>updateGame.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
     </Compile>
     <Compile Include="updateGame.aspx.designer.cs">
       <DependentUpon>updateGame.aspx</DependentUpon>
@@ -120,9 +142,7 @@
       <Name>Globals</Name>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Data\" />
-  </ItemGroup>
+  <ItemGroup />
   <ItemGroup>
     <None Include="Data\persons.json" />
     <None Include="Data\bets.json" />
@@ -136,5 +156,22 @@
         <XspParameters Port="8080" Address="127.0.0.1" SslMode="None" SslProtocol="Default" KeyType="None" CertFile="" KeyFile="" PasswordOptions="None" Password="" Verbose="True" />
       </Properties>
     </MonoDevelop>
+    <VisualStudio>
+      <FlavorProperties GUID="{349C5851-65DF-11DA-9384-00065B846F21}">
+        <WebProjectProperties>
+          <UseIIS>True</UseIIS>
+          <AutoAssignPort>True</AutoAssignPort>
+          <DevelopmentServerPort>0</DevelopmentServerPort>
+          <DevelopmentServerVPath>/</DevelopmentServerVPath>
+          <IISUrl>http://localhost:50787/</IISUrl>
+          <NTLMAuthentication>False</NTLMAuthentication>
+          <UseCustomServer>False</UseCustomServer>
+          <CustomServerUrl>
+          </CustomServerUrl>
+          <SaveServerSettingsInUserFile>False</SaveServerSettingsInUserFile>
+        </WebProjectProperties>
+      </FlavorProperties>
+    </VisualStudio>
   </ProjectExtensions>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v16.0\WebApplications\Microsoft.WebApplication.targets" />
 </Project>
\ No newline at end of file
diff --git a/Online Gokkantoor/Online Gokkantoor.sln b/Online Gokkantoor/Online Gokkantoor.sln
index 53db7de..dc973ef 100644
--- a/Online Gokkantoor/Online Gokkantoor.sln	
+++ b/Online Gokkantoor/Online Gokkantoor.sln	
@@ -1,8 +1,10 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.28010.2026
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29123.88
 MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "old", "old", "{BF8F2852-F325-4C72-AFF6-E0C40808625B}"
+EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Online Gokkantoor_GUI", "Online Gokkantoor\Online Gokkantoor_GUI.csproj", "{62E2ECA5-72AF-4401-9FE3-D7BD5044D7E9}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataLaag", "DataLaag\DataLaag.csproj", "{CA62D8EA-2739-4C85-81B4-FBA040592DAE}"
@@ -11,8 +13,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LogicLayer", "LogicLayer\Lo
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConsoleApp", "Console\ConsoleApp.csproj", "{75E1DDD1-C2F0-4C29-A95A-85A72D8C4948}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "old", "old", "{BF8F2852-F325-4C72-AFF6-E0C40808625B}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Data", "Data\Data.csproj", "{46C1FC26-4A1F-43E4-8682-853010AB38AC}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Logic", "Logic\Logic.csproj", "{82F1AF49-F9FA-42A1-BD3B-A37C36E340AD}"