fix workflows

.github/workflows/main.yml

@@ -52,7 +52,7 @@ jobs:
         run: |
           set -e
           echo "Finding SDK-style projects..."
-          mapfile -t sdk_projects < <(grep -rl --null --exclude-dir:packages '<Project Sdk=' --include='*.csproj' . | tr '\0' '\n' || true)
+          mapfile -t sdk_projects < <(grep -rl --null --exclude-dir=packages '<Project Sdk=' --include='*.csproj' . | tr '\0' '\n' || true)
           if [ ${#sdk_projects[@]} -eq 0 ]; then
             echo "No SDK-style projects found. Skipping SDK job."
             exit 0
@@ -70,7 +70,7 @@ jobs:
         run: |
           set -e
           # Run dotnet test on projects that look like test projects
-          mapfile -t sdk_projects < <(grep -rl --null --exclude-dir:packages '<Project Sdk=' --include='*.csproj' . | tr '\0' '\n' || true)
+          mapfile -t sdk_projects < <(grep -rl --null --exclude-dir=packages '<Project Sdk=' --include='*.csproj' . | tr '\0' '\n' || true)
           for proj in "${sdk_projects[@]}"; do
             if grep -q '<IsTestProject>true</IsTestProject>' "$proj" 2>/dev/null || echo "$proj" | grep -qi 'test'; then
               echo "Testing $proj"
@@ -99,19 +99,26 @@ jobs:
       - name: Setup NuGet CLI
         uses: NuGet/setup-nuget@v1
 
+      - name: Setup MSBuild
+        uses: microsoft/setup-msbuild@v2
+
       - name: Restore packages.config packages (NuGet)
         run: |
-          nuget restore
+          $ErrorActionPreference = 'Stop'
+          $sln = (Get-ChildItem -Path . -Filter *.sln -Recurse | Select-Object -First 1).FullName
+          if (-not $sln) { throw "No solution file found." }
+          nuget restore $sln -PackagesDirectory .\packages -NonInteractive
 
-      - name: Restore & build all projects (including legacy)
+      - name: Build legacy non-SDK projects with MSBuild
         run: |
           $ErrorActionPreference = 'Stop'
-          $csprojs = Get-ChildItem -Recurse -Filter *.csproj | Select-Object -ExpandProperty FullName
-          foreach ($p in $csprojs) {
-            Write-Host "Restoring $p"
-            dotnet restore $p -p:Configuration=Release
-            Write-Host "Building $p"
-            dotnet build $p -c Release --no-restore
+          $legacyProjects = Get-ChildItem -Recurse -Filter *.csproj | Where-Object {
+            -not (Select-String -Path $_.FullName -Pattern '<Project Sdk=' -Quiet)
+          } | Select-Object -ExpandProperty FullName
+
+          foreach ($p in $legacyProjects) {
+            Write-Host "Building legacy project $p"
+            msbuild $p /m /p:Configuration=Release /p:RestorePackages=false
           }
 
       - name: Run tests (legacy/test projects)

.github/workflows/nuget.yml

@@ -45,7 +45,13 @@ jobs:
         nuget-version: latest
         nuget-api-key-source: 'https://api.nuget.org/v3/index.json'
 
-    - name: Restore
+    - name: Restore packages.config dependencies
+      run: |
+        $sln = (Get-ChildItem -Path . -Filter *.sln -Recurse | Select-Object -First 1).FullName
+        if (-not $sln) { throw "No solution file found." }
+        nuget restore $sln -PackagesDirectory .\packages -NonInteractive
+
+    - name: Restore SDK-style dependencies
       run: dotnet restore -p:Configuration=Release
 
     - name: Build

examples/UsageExample3/UsageExample3.csproj

@@ -153,8 +153,8 @@
     <Reference Include="System.Configuration" />
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="Newtonsoft.Json">
-      <HintPath>..\..\packages\Newtonsoft.Json.12.0.2\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
+	  <HintPath>..\..\packages\Newtonsoft.Json.13.0.4\lib\net45\Newtonsoft.Json.dll</HintPath>
+	</Reference>
     <Reference Include="System.Net.Http">
     </Reference>
     <Reference Include="System.Net.Http.WebRequest">