diff --git a/makefiles/Makefile.dotnet.mk b/makefiles/Makefile.dotnet.mk
index 71a6cdda9d..e6d529fa4c 100644
--- a/makefiles/Makefile.dotnet.mk
+++ b/makefiles/Makefile.dotnet.mk
@@ -482,6 +482,13 @@ rdotnet_%.cs: \
 	"$(DOTNET_BIN)" build ortools$Salgorithms$Ssamples$S$*.csproj
 	"$(DOTNET_BIN)" run --no-build --project ortools$Salgorithms$Ssamples$S$*.csproj -- $(ARGS)
 
+rdotnet_%.cs: \
+ ortools/constraint_solver/samples/%.cs \
+ ortools/constraint_solver/samples/%.csproj \
+ $(DOTNET_ORTOOLS_NUPKG) FORCE
+	"$(DOTNET_BIN)" build ortools$Sconstraint_solver$Ssamples$S$*.csproj
+	"$(DOTNET_BIN)" run --no-build --project ortools$Sconstraint_solver$Ssamples$S$*.csproj -- $(ARGS)
+
 rdotnet_%.cs: \
  ortools/graph/samples/%.cs \
  ortools/graph/samples/%.csproj \
@@ -506,6 +513,11 @@ rdotnet_%.cs: \
 .PHONY: test_dotnet_algorithms_samples # Build and Run all .Net LP Samples (located in ortools/algorithms/samples)
 test_dotnet_algorithms_samples: ;
 
+.PHONY: test_dotnet_constraint_solver_samples # Build and Run all .Net CP Samples (located in ortools/constraint_solver/samples)
+test_dotnet_constraint_solver_samples:
+	$(MAKE) run SOURCE=ortools/constraint_solver/samples/Tsp.cs
+	$(MAKE) run SOURCE=ortools/constraint_solver/samples/Vrp.cs
+
 .PHONY: test_dotnet_graph_samples # Build and Run all .Net LP Samples (located in ortools/graph/samples)
 test_dotnet_graph_samples: ;
 	$(MAKE) run SOURCE=ortools/graph/samples/SimpleMaxFlowProgram.cs
@@ -538,6 +550,7 @@ test_dotnet_sat_samples:
 .PHONY: check_dotnet_pimpl
 check_dotnet_pimpl: \
  test_dotnet_algorithms_samples \
+ test_dotnet_constraint_solver_samples \
  test_dotnet_graph_samples \
  test_dotnet_linear_solver_samples \
  test_dotnet_sat_samples \
@@ -571,8 +584,6 @@ test_dotnet_examples_csharp: \
  rdotnet_csls_api.cs \
  rdotnet_csrabbitspheasants.cs \
  rdotnet_cstsp.cs \
- rdotnet_tsp.cs \
- rdotnet_vrp.cs \
 \
  rdotnet_3_jugs_regular.cs \
  rdotnet_a_puzzle.cs \
diff --git a/examples/dotnet/tsp.cs b/ortools/constraint_solver/samples/Tsp.cs
similarity index 100%
rename from examples/dotnet/tsp.cs
rename to ortools/constraint_solver/samples/Tsp.cs
diff --git a/examples/dotnet/tsp.csproj b/ortools/constraint_solver/samples/Tsp.csproj
similarity index 79%
rename from examples/dotnet/tsp.csproj
rename to ortools/constraint_solver/samples/Tsp.csproj
index 9560c07d58..e8c4ced7b5 100644
--- a/examples/dotnet/tsp.csproj
+++ b/ortools/constraint_solver/samples/Tsp.csproj
@@ -4,7 +4,7 @@
     <LangVersion>7.2</LangVersion>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
-    <RestoreSources>../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
+    <RestoreSources>../../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Compile Include="tsp.cs" />
+    <Compile Include="Tsp.cs" />
     <PackageReference Include="Google.OrTools" Version="7.0-*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/vrp.cs b/ortools/constraint_solver/samples/Vrp.cs
similarity index 100%
rename from examples/dotnet/vrp.cs
rename to ortools/constraint_solver/samples/Vrp.cs
diff --git a/examples/dotnet/vrp.csproj b/ortools/constraint_solver/samples/Vrp.csproj
similarity index 79%
rename from examples/dotnet/vrp.csproj
rename to ortools/constraint_solver/samples/Vrp.csproj
index 3b26ff5cb9..fb99f95278 100644
--- a/examples/dotnet/vrp.csproj
+++ b/ortools/constraint_solver/samples/Vrp.csproj
@@ -4,7 +4,7 @@
     <LangVersion>7.2</LangVersion>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
-    <RestoreSources>../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
+    <RestoreSources>../../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Compile Include="vrp.cs" />
+    <Compile Include="Vrp.cs" />
     <PackageReference Include="Google.OrTools" Version="7.0-*" />
   </ItemGroup>
 </Project>
diff --git a/tools/Makefile.cc.java.dotnet b/tools/Makefile.cc.java.dotnet
index b221c57d72..359abc5ea7 100644
--- a/tools/Makefile.cc.java.dotnet
+++ b/tools/Makefile.cc.java.dotnet
@@ -493,6 +493,9 @@ dotnet:
 # Linear Solver
 	$(MAKE) run SOURCE=examples/dotnet/SimpleLpProgram.cs
 	$(MAKE) run SOURCE=examples/dotnet/SimpleMipProgram.cs
+# Constraint Solver
+	$(MAKE) run SOURCE=examples/dotnet/Tsp.cs
+	$(MAKE) run SOURCE=examples/dotnet/Vrp.cs
 # Sat
 	$(MAKE) run SOURCE=examples/dotnet/NursesSat.cs
 	$(MAKE) run SOURCE=examples/dotnet/JobshopSat.cs
@@ -502,8 +505,6 @@ dotnet:
 # Misc
 	$(MAKE) run SOURCE=examples/dotnet/cslinearprogramming.cs
 	$(MAKE) run SOURCE=examples/dotnet/csintegerprogramming.cs
-	$(MAKE) run SOURCE=examples/dotnet/tsp.cs
-	$(MAKE) run SOURCE=examples/dotnet/vrp.cs
 	$(MAKE) run SOURCE=examples/dotnet/assignment.cs
 	$(MAKE) run SOURCE=examples/dotnet/alldifferent_except_0.cs
 	$(MAKE) run SOURCE=examples/dotnet/all_interval.cs
@@ -632,8 +633,8 @@ dotnet:
 test_dotnet: detect_dotnet
 	$(MAKE) run SOURCE=examples/dotnet/SimpleLpProgram.cs
 	$(MAKE) run SOURCE=examples/dotnet/SimpleMipProgram.cs
-	$(MAKE) run SOURCE=examples/dotnet/tsp.cs
-	$(MAKE) run SOURCE=examples/dotnet/vrp.cs
+	$(MAKE) run SOURCE=examples/dotnet/Tsp.cs
+	$(MAKE) run SOURCE=examples/dotnet/Vrp.cs
 	$(MAKE) run SOURCE=examples/dotnet/JobshopSat.cs
 	$(MAKE) run SOURCE=examples/dotnet/NursesSat.cs