Migrate Sample app to net8 (#628)

Author: mpreyskurantov

net/Sample/Converters.cs

@@ -126,13 +126,5 @@ protected override void OnModelCreating(ModelBuilder modelBuilder) {
             });
         }
 
-#if NET6_0 || NET7_0
-        protected override void ConfigureConventions(ModelConfigurationBuilder configurationBuilder) {
-            base.ConfigureConventions(configurationBuilder);
-            configurationBuilder.Properties<DateOnly>().HaveConversion<NetLess8DateOnlyValueConverter>();
-            configurationBuilder.Properties<TimeOnly>().HaveConversion<NetLess8TimeOnlyValueConverter>();
-        }
-#endif
-
     }
 }

net/Sample/Models/NorthwindContext.cs

@@ -7,14 +7,7 @@ public static void Main(string[] args) {
             var builder = WebApplication.CreateBuilder(args);
             builder.Services
                 .AddControllersWithViews()
-                //.AddRazorRuntimeCompilation()
-#if NET6_0
-                .AddJsonOptions(options => {
-                    options.JsonSerializerOptions.Converters.Add(new Net6DateOnlyJsonConverter());
-                    options.JsonSerializerOptions.Converters.Add(new Net6TimeOnlyJsonConverter());
-                })
-#endif
-                ;
+                .AddRazorRuntimeCompilation();
             builder.Services
                 .AddLogging()
                 .AddEntityFrameworkSqlServer()

net/Sample/Program.cs

@@ -1,41 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\DevExtreme.AspNet.Data\DevExtreme.AspNet.Data.csproj" />
     <PackageReference Include="Microsoft.Web.LibraryManager.Build" Version="2.1.175" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-  </ItemGroup>
-
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net6.0' ">
-    <DefineConstants>NET6.0</DefineConstants>
-  </PropertyGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net6.0' ">
-    <!--<PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="6.0.28" />-->
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.28" />
-  </ItemGroup>
-
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net7.0' ">
-    <DefineConstants>NET7.0</DefineConstants>
-  </PropertyGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net7.0' ">
-    <!--<PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="7.0.17" />-->
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.17" />
-  </ItemGroup>
-
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net8.0' ">
-    <DefineConstants>NET8.0</DefineConstants>
-  </PropertyGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' ">
-    <!--<PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.3" />-->
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.3" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.7" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.7" />
   </ItemGroup>
 
   <Target Name="Clean dx-aspnet-data-js" BeforeTargets="LibraryManagerRestore">