fix(csharp/client): DH-21470: Update to .NET 10 and slnx format (#7615)

kosak · web-flow · commit 59223e5e6b31 · 2026-01-28T12:29:50.000-05:00
.NET 10 is the current LTS release. Also slnx is the new more concise
format for Visual Studio solution files.
diff --git a/csharp/client/Dh_NetClient/Dh_NetClient.csproj b/csharp/client/Dh_NetClient/Dh_NetClient.csproj
@@ -1,7 +1,7 @@
 ﻿<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <RootNamespace>Deephaven.Dh_NetClient</RootNamespace>
diff --git a/csharp/client/Dh_NetClient/Dh_NetClient.sln b/csharp/client/Dh_NetClient/Dh_NetClient.sln
diff --git a/csharp/client/Dh_NetClient/Dh_NetClient.slnx b/csharp/client/Dh_NetClient/Dh_NetClient.slnx
@@ -0,0 +1,3 @@
+<Solution>
+  <Project Path="Dh_NetClient.csproj" />
+</Solution>
diff --git a/csharp/client/Dh_NetClientTests/Dh_NetClientTests.csproj b/csharp/client/Dh_NetClientTests/Dh_NetClientTests.csproj
@@ -1,7 +1,7 @@
 ﻿<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
diff --git a/csharp/client/Dh_NetClientTests/Dh_NetClientTests.sln b/csharp/client/Dh_NetClientTests/Dh_NetClientTests.sln
diff --git a/csharp/client/Dh_NetClientTests/Dh_NetClientTests.slnx b/csharp/client/Dh_NetClientTests/Dh_NetClientTests.slnx
@@ -0,0 +1,4 @@
+<Solution>
+  <Project Path="../Dh_NetClient/Dh_NetClient.csproj" />
+  <Project Path="Dh_NetClientTests.csproj" />
+</Solution>

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+<Solution>`
	`2`	`+ <Project Path="Dh_NetClient.csproj" />`
	`3`	`+</Solution>`