diff --git a/cmake/dotnet.cmake b/cmake/dotnet.cmake
index b0b730a04e..ea7b2e8d44 100644
--- a/cmake/dotnet.cmake
+++ b/cmake/dotnet.cmake
@@ -83,7 +83,18 @@ endif()
 list(APPEND CMAKE_SWIG_FLAGS ${FLAGS} "-I${PROJECT_SOURCE_DIR}")
 
 # Swig wrap all libraries
-set(OR_TOOLS_DOTNET Google.OrTools)
+set(DOTNET_PROJECT Google.OrTools)
+if(APPLE)
+  set(RUNTIME_IDENTIFIER osx-x64)
+elseif(UNIX)
+  set(RUNTIME_IDENTIFIER linux-x64)
+elseif(WIN32)
+  set(RUNTIME_IDENTIFIER win-x64)
+else()
+  message(FATAL_ERROR "Unsupported system !")
+endif()
+set(DOTNET_NATIVE_PROJECT ${DOTNET_PROJECT}.runtime.${RUNTIME_IDENTIFIER})
+
 foreach(SUBPROJECT IN ITEMS algorithms graph linear_solver constraint_solver sat util)
   add_subdirectory(ortools/${SUBPROJECT}/csharp)
   target_link_libraries(google-ortools-native PRIVATE dotnet_${SUBPROJECT})
@@ -93,7 +104,8 @@ endforeach()
 ##  .Net Runtime Package  ##
 ############################
 file(COPY tools/doc/orLogo.png DESTINATION dotnet)
-set(DOTNET_PACKAGES_DIR "../packages")
+set(DOTNET_PACKAGES_DIR "${PROJECT_BINARY_DIR}/dotnet/packages")
+set(DOTNET_LOGO_DIR "${PROJECT_BINARY_DIR}/dotnet")
 configure_file(ortools/dotnet/Directory.Build.props.in dotnet/Directory.Build.props)
 
 # Build or retrieve .snk file
@@ -117,44 +129,32 @@ else()
     )
 endif()
 
-if(APPLE)
-  set(RUNTIME_IDENTIFIER osx-x64)
-elseif(UNIX)
-  set(RUNTIME_IDENTIFIER linux-x64)
-elseif(WIN32)
-  set(RUNTIME_IDENTIFIER win-x64)
-else()
-  message(FATAL_ERROR "Unsupported system !")
-endif()
-set(OR_TOOLS_DOTNET_NATIVE ${OR_TOOLS_DOTNET}.runtime.${RUNTIME_IDENTIFIER})
-
-
 file(GENERATE OUTPUT dotnet/$<CONFIG>/replace_runtime.cmake
   CONTENT
-  "FILE(READ ${PROJECT_SOURCE_DIR}/ortools/dotnet/${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.csproj.in input)
+  "FILE(READ ${PROJECT_SOURCE_DIR}/ortools/dotnet/${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.csproj.in input)
 STRING(REPLACE \"@PROJECT_VERSION@\" \"${PROJECT_VERSION}\" input \"\${input}\")
 STRING(REPLACE \"@ortools@\" \"$<$<NOT:$<PLATFORM_ID:Windows>>:$<TARGET_SONAME_FILE:${PROJECT_NAME}>>\" input \"\${input}\")
 STRING(REPLACE \"@native@\" \"$<TARGET_FILE:google-ortools-native>\" input \"\${input}\")
-FILE(WRITE ${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.csproj \"\${input}\")"
+FILE(WRITE ${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.csproj \"\${input}\")"
 )
 
 add_custom_command(
-  OUTPUT dotnet/${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.csproj
-  COMMAND ${CMAKE_COMMAND} -E make_directory ${OR_TOOLS_DOTNET_NATIVE}
+  OUTPUT dotnet/${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.csproj
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${DOTNET_NATIVE_PROJECT}
   COMMAND ${CMAKE_COMMAND} -P ./$<CONFIG>/replace_runtime.cmake
   WORKING_DIRECTORY dotnet
   )
 
 if(WIN32)
 add_custom_command(
-  OUTPUT dotnet/${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.targets
-  COMMAND ${CMAKE_COMMAND} -E make_directory ${OR_TOOLS_DOTNET_NATIVE}
+  OUTPUT dotnet/${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.targets
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${DOTNET_NATIVE_PROJECT}
   COMMAND ${CMAKE_COMMAND} -E copy
-    ${PROJECT_SOURCE_DIR}/ortools/dotnet/${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.targets
-    ${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.targets
+    ${PROJECT_SOURCE_DIR}/ortools/dotnet/${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.targets
+    ${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.targets
   WORKING_DIRECTORY dotnet
   )
-  set(DOTNET_TARGETS dotnet/${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.targets)
+  set(DOTNET_TARGETS dotnet/${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.targets)
 endif()
 
 add_custom_target(dotnet_native ALL
@@ -162,28 +162,33 @@ add_custom_target(dotnet_native ALL
     dotnet/or-tools.snk
     Dotnet${PROJECT_NAME}_proto
     google-ortools-native
-    dotnet/${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.csproj
+    dotnet/${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.csproj
     ${DOTNET_TARGETS}
   COMMAND ${CMAKE_COMMAND} -E make_directory packages
-  COMMAND ${DOTNET_EXECUTABLE} build -c Release /p:Platform=x64 ${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.csproj
-  COMMAND ${DOTNET_EXECUTABLE} pack -c Release ${OR_TOOLS_DOTNET_NATIVE}/${OR_TOOLS_DOTNET_NATIVE}.csproj
+  COMMAND ${DOTNET_EXECUTABLE} build -c Release /p:Platform=x64 ${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.csproj
+  COMMAND ${DOTNET_EXECUTABLE} pack -c Release ${DOTNET_NATIVE_PROJECT}/${DOTNET_NATIVE_PROJECT}.csproj
+  BYPRODUCTS
+    dotnet/${DOTNET_NATIVE_PROJECT}/bin
+    dotnet/${DOTNET_NATIVE_PROJECT}/obj
   WORKING_DIRECTORY dotnet
   )
 
-# Main Target
+####################
+##  .Net Package  ##
+####################
 file(GENERATE OUTPUT dotnet/$<CONFIG>/replace.cmake
   CONTENT
-  "FILE(READ ${PROJECT_SOURCE_DIR}/ortools/dotnet/${OR_TOOLS_DOTNET}/${OR_TOOLS_DOTNET}.csproj.in input)
+  "FILE(READ ${PROJECT_SOURCE_DIR}/ortools/dotnet/${DOTNET_PROJECT}/${DOTNET_PROJECT}.csproj.in input)
 STRING(REPLACE \"@PROJECT_VERSION@\" \"${PROJECT_VERSION}\" input \"\${input}\")
 STRING(REPLACE \"@PROJECT_SOURCE_DIR@\" \"${PROJECT_SOURCE_DIR}\" input \"\${input}\")
 STRING(REPLACE \"@PROJECT_DOTNET_DIR@\" \"${PROJECT_BINARY_DIR}/dotnet\" input \"\${input}\")
 STRING(REPLACE \"@DOTNET_PACKAGES_DIR@\" \"${PROJECT_BINARY_DIR}/dotnet/packages\" input \"\${input}\")
-FILE(WRITE ${OR_TOOLS_DOTNET}/${OR_TOOLS_DOTNET}.csproj \"\${input}\")"
+FILE(WRITE ${DOTNET_PROJECT}/${DOTNET_PROJECT}.csproj \"\${input}\")"
 )
 
 add_custom_command(
-  OUTPUT dotnet/${OR_TOOLS_DOTNET}/${OR_TOOLS_DOTNET}.csproj
-  COMMAND ${CMAKE_COMMAND} -E make_directory ${OR_TOOLS_DOTNET}
+  OUTPUT dotnet/${DOTNET_PROJECT}/${DOTNET_PROJECT}.csproj
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${DOTNET_PROJECT}
   COMMAND ${CMAKE_COMMAND} -P ./$<CONFIG>/replace.cmake
   WORKING_DIRECTORY dotnet
   )
@@ -192,10 +197,56 @@ add_custom_target(dotnet_package ALL
   DEPENDS
     dotnet/or-tools.snk
     dotnet_native
-    dotnet/${OR_TOOLS_DOTNET}/${OR_TOOLS_DOTNET}.csproj
-  COMMAND ${DOTNET_EXECUTABLE} build -c Release /p:Platform=x64 ${OR_TOOLS_DOTNET}/${OR_TOOLS_DOTNET}.csproj
-  COMMAND ${DOTNET_EXECUTABLE} pack -c Release ${OR_TOOLS_DOTNET}/${OR_TOOLS_DOTNET}.csproj
+    dotnet/${DOTNET_PROJECT}/${DOTNET_PROJECT}.csproj
+  COMMAND ${DOTNET_EXECUTABLE} build -c Release /p:Platform=x64 ${DOTNET_PROJECT}/${DOTNET_PROJECT}.csproj
+  COMMAND ${DOTNET_EXECUTABLE} pack -c Release ${DOTNET_PROJECT}/${DOTNET_PROJECT}.csproj
   BYPRODUCTS
+    dotnet/${DOTNET_PROJECT}/bin
+    dotnet/${DOTNET_PROJECT}/obj
     dotnet/packages
   WORKING_DIRECTORY dotnet
   )
+
+# add_dotnet_sample()
+# CMake function to generate and build dotnet sample.
+# Parameters:
+#  the dotnet filename
+# e.g.:
+# add_dotnet_sample(Foo.cs)
+function(add_dotnet_sample FILE_NAME)
+  message(STATUS "Building ${FILE_NAME}: ...")
+  get_filename_component(SAMPLE_NAME ${FILE_NAME} NAME_WE)
+  get_filename_component(SAMPLE_DIR ${FILE_NAME} DIRECTORY)
+  get_filename_component(COMPONENT_DIR ${SAMPLE_DIR} DIRECTORY)
+  get_filename_component(COMPONENT_NAME ${COMPONENT_DIR} NAME)
+
+  set(SAMPLE_PATH ${PROJECT_BINARY_DIR}/dotnet/${COMPONENT_NAME}/${SAMPLE_NAME})
+  file(MAKE_DIRECTORY ${SAMPLE_PATH})
+
+  file(COPY ${FILE_NAME} DESTINATION ${SAMPLE_PATH})
+
+  set(DOTNET_PACKAGES_DIR "${PROJECT_BINARY_DIR}/dotnet/packages")
+  configure_file(
+    ${PROJECT_SOURCE_DIR}/ortools/dotnet/Sample.csproj.in
+    ${SAMPLE_PATH}/${SAMPLE_NAME}.csproj
+    @ONLY)
+
+  add_custom_target(dotnet_sample_${SAMPLE_NAME} ALL
+    DEPENDS ${SAMPLE_PATH}/${SAMPLE_NAME}.csproj
+    COMMAND ${DOTNET_EXECUTABLE} build -c Release
+    COMMAND ${DOTNET_EXECUTABLE} pack -c Release
+    BYPRODUCTS
+      ${SAMPLE_PATH}/bin
+      ${SAMPLE_PATH}/obj
+    WORKING_DIRECTORY ${SAMPLE_PATH})
+  add_dependencies(dotnet_sample_${SAMPLE_NAME} dotnet_package)
+
+  if(BUILD_TESTING)
+    add_test(
+      NAME dotnet_${COMPONENT_NAME}_${SAMPLE_NAME}
+      COMMAND ${DOTNET_EXECUTABLE} run --no-build -c Release
+      WORKING_DIRECTORY ${SAMPLE_PATH})
+  endif()
+
+  message(STATUS "Building ${FILE_NAME}: ...DONE")
+endfunction()
diff --git a/ortools/algorithms/csharp/CMakeLists.txt b/ortools/algorithms/csharp/CMakeLists.txt
index dbccf36430..f47eab7383 100644
--- a/ortools/algorithms/csharp/CMakeLists.txt
+++ b/ortools/algorithms/csharp/CMakeLists.txt
@@ -3,7 +3,7 @@ set_property(SOURCE knapsack_solver.i PROPERTY SWIG_MODULE_NAME operations_resea
 set_property(SOURCE knapsack_solver.i PROPERTY COMPILE_DEFINITIONS
   ${OR_TOOLS_COMPILE_DEFINITIONS} ABSL_MUST_USE_RESULT)
 set_property(SOURCE knapsack_solver.i PROPERTY COMPILE_OPTIONS
-  -namespace ${OR_TOOLS_DOTNET}.Algorithms
+  -namespace ${DOTNET_PROJECT}.Algorithms
   -dllimport google-ortools-native)
 swig_add_library(dotnet_algorithms
   TYPE OBJECT
diff --git a/ortools/algorithms/samples/CMakeLists.txt b/ortools/algorithms/samples/CMakeLists.txt
index d1d95ec1f3..90246fcd14 100644
--- a/ortools/algorithms/samples/CMakeLists.txt
+++ b/ortools/algorithms/samples/CMakeLists.txt
@@ -24,5 +24,8 @@ if(BUILD_JAVA_SAMPLES)
 endif()
 
 if(BUILD_DOTNET_SAMPLES)
-
+  file(GLOB DOTNET_SRCS "*.cs")
+  foreach(SAMPLE IN LISTS DOTNET_SRCS)
+    add_dotnet_sample(${SAMPLE})
+  endforeach()
 endif()
diff --git a/ortools/constraint_solver/csharp/CMakeLists.txt b/ortools/constraint_solver/csharp/CMakeLists.txt
index 6bfbf67ce5..58a7038f47 100644
--- a/ortools/constraint_solver/csharp/CMakeLists.txt
+++ b/ortools/constraint_solver/csharp/CMakeLists.txt
@@ -3,7 +3,7 @@ set_property(SOURCE routing.i PROPERTY SWIG_MODULE_NAME operations_research_cons
 set_property(SOURCE routing.i PROPERTY COMPILE_DEFINITIONS
   ${OR_TOOLS_COMPILE_DEFINITIONS} ABSL_MUST_USE_RESULT)
 set_property(SOURCE routing.i PROPERTY COMPILE_OPTIONS
-  -namespace ${OR_TOOLS_DOTNET}.ConstraintSolver
+  -namespace ${DOTNET_PROJECT}.ConstraintSolver
   -dllimport google-ortools-native)
 swig_add_library(dotnet_constraint_solver
   TYPE OBJECT
diff --git a/ortools/constraint_solver/samples/CMakeLists.txt b/ortools/constraint_solver/samples/CMakeLists.txt
index d1d95ec1f3..90246fcd14 100644
--- a/ortools/constraint_solver/samples/CMakeLists.txt
+++ b/ortools/constraint_solver/samples/CMakeLists.txt
@@ -24,5 +24,8 @@ if(BUILD_JAVA_SAMPLES)
 endif()
 
 if(BUILD_DOTNET_SAMPLES)
-
+  file(GLOB DOTNET_SRCS "*.cs")
+  foreach(SAMPLE IN LISTS DOTNET_SRCS)
+    add_dotnet_sample(${SAMPLE})
+  endforeach()
 endif()
diff --git a/ortools/dotnet/Directory.Build.props.in b/ortools/dotnet/Directory.Build.props.in
index 169a3dd553..cb8461c6de 100644
--- a/ortools/dotnet/Directory.Build.props.in
+++ b/ortools/dotnet/Directory.Build.props.in
@@ -25,7 +25,7 @@
         <NoWarn>1591</NoWarn>
   </PropertyGroup>
   <ItemGroup>
-    <None Include="../orLogo.png">
+    <None Include="@DOTNET_LOGO_DIR@/orLogo.png">
       <Pack>True</Pack>
       <PackagePath>content</PackagePath>
     </None>
diff --git a/ortools/dotnet/Sample.csproj.in b/ortools/dotnet/Sample.csproj.in
new file mode 100644
index 0000000000..97431350f6
--- /dev/null
+++ b/ortools/dotnet/Sample.csproj.in
@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <LangVersion>7.3</LangVersion>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <EnableDefaultItems>false</EnableDefaultItems>
+    <!-- see https://github.com/dotnet/docs/issues/12237 -->
+    <RollForward>LatestMajor</RollForward>
+    <RestoreSources>@DOTNET_PACKAGES_DIR@;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
+    <AssemblyName>@DOTNET_PROJECT@.@SAMPLE_NAME@</AssemblyName>
+    <IsPackable>true</IsPackable>
+  </PropertyGroup>
+
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugType>full</DebugType>
+    <Optimize>true</Optimize>
+    <GenerateTailCalls>true</GenerateTailCalls>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="@FILE_NAME@" />
+    <PackageReference Include="@DOTNET_PROJECT@" Version="@PROJECT_VERSION@" />
+  </ItemGroup>
+</Project>
diff --git a/ortools/graph/csharp/CMakeLists.txt b/ortools/graph/csharp/CMakeLists.txt
index 8945d22a19..2c16eec19c 100644
--- a/ortools/graph/csharp/CMakeLists.txt
+++ b/ortools/graph/csharp/CMakeLists.txt
@@ -3,7 +3,7 @@ set_property(SOURCE graph.i PROPERTY SWIG_MODULE_NAME operations_research_graph)
 set_property(SOURCE graph.i PROPERTY COMPILE_DEFINITIONS
   ${OR_TOOLS_COMPILE_DEFINITIONS} ABSL_MUST_USE_RESULT)
 set_property(SOURCE graph.i PROPERTY COMPILE_OPTIONS
-  -namespace ${OR_TOOLS_DOTNET}.Graph
+  -namespace ${DOTNET_PROJECT}.Graph
   -dllimport google-ortools-native)
 swig_add_library(dotnet_graph
   TYPE OBJECT
diff --git a/ortools/graph/samples/CMakeLists.txt b/ortools/graph/samples/CMakeLists.txt
index d1d95ec1f3..90246fcd14 100644
--- a/ortools/graph/samples/CMakeLists.txt
+++ b/ortools/graph/samples/CMakeLists.txt
@@ -24,5 +24,8 @@ if(BUILD_JAVA_SAMPLES)
 endif()
 
 if(BUILD_DOTNET_SAMPLES)
-
+  file(GLOB DOTNET_SRCS "*.cs")
+  foreach(SAMPLE IN LISTS DOTNET_SRCS)
+    add_dotnet_sample(${SAMPLE})
+  endforeach()
 endif()
diff --git a/ortools/linear_solver/csharp/CMakeLists.txt b/ortools/linear_solver/csharp/CMakeLists.txt
index 795634cc78..774faefaf4 100644
--- a/ortools/linear_solver/csharp/CMakeLists.txt
+++ b/ortools/linear_solver/csharp/CMakeLists.txt
@@ -3,7 +3,7 @@ set_property(SOURCE linear_solver.i PROPERTY SWIG_MODULE_NAME operations_researc
 set_property(SOURCE linear_solver.i PROPERTY COMPILE_DEFINITIONS
   ${OR_TOOLS_COMPILE_DEFINITIONS} ABSL_MUST_USE_RESULT)
 set_property(SOURCE linear_solver.i PROPERTY COMPILE_OPTIONS
-  -namespace ${OR_TOOLS_DOTNET}.LinearSolver
+  -namespace ${DOTNET_PROJECT}.LinearSolver
   -dllimport google-ortools-native)
 swig_add_library(dotnet_linear_solver
   TYPE OBJECT
diff --git a/ortools/linear_solver/samples/CMakeLists.txt b/ortools/linear_solver/samples/CMakeLists.txt
index d1d95ec1f3..90246fcd14 100644
--- a/ortools/linear_solver/samples/CMakeLists.txt
+++ b/ortools/linear_solver/samples/CMakeLists.txt
@@ -24,5 +24,8 @@ if(BUILD_JAVA_SAMPLES)
 endif()
 
 if(BUILD_DOTNET_SAMPLES)
-
+  file(GLOB DOTNET_SRCS "*.cs")
+  foreach(SAMPLE IN LISTS DOTNET_SRCS)
+    add_dotnet_sample(${SAMPLE})
+  endforeach()
 endif()
diff --git a/ortools/sat/csharp/CMakeLists.txt b/ortools/sat/csharp/CMakeLists.txt
index 9d4db30cad..daed87571d 100644
--- a/ortools/sat/csharp/CMakeLists.txt
+++ b/ortools/sat/csharp/CMakeLists.txt
@@ -3,7 +3,7 @@ set_property(SOURCE sat.i PROPERTY SWIG_MODULE_NAME operations_research_sat)
 set_property(SOURCE sat.i PROPERTY COMPILE_DEFINITIONS
   ${OR_TOOLS_COMPILE_DEFINITIONS} ABSL_MUST_USE_RESULT)
 set_property(SOURCE sat.i PROPERTY COMPILE_OPTIONS
-  -namespace ${OR_TOOLS_DOTNET}.Sat
+  -namespace ${DOTNET_PROJECT}.Sat
   -dllimport google-ortools-native)
 swig_add_library(dotnet_sat
   TYPE OBJECT
diff --git a/ortools/sat/samples/CMakeLists.txt b/ortools/sat/samples/CMakeLists.txt
index d1d95ec1f3..90246fcd14 100644
--- a/ortools/sat/samples/CMakeLists.txt
+++ b/ortools/sat/samples/CMakeLists.txt
@@ -24,5 +24,8 @@ if(BUILD_JAVA_SAMPLES)
 endif()
 
 if(BUILD_DOTNET_SAMPLES)
-
+  file(GLOB DOTNET_SRCS "*.cs")
+  foreach(SAMPLE IN LISTS DOTNET_SRCS)
+    add_dotnet_sample(${SAMPLE})
+  endforeach()
 endif()
diff --git a/ortools/util/csharp/CMakeLists.txt b/ortools/util/csharp/CMakeLists.txt
index 5d641f5210..96784aec52 100644
--- a/ortools/util/csharp/CMakeLists.txt
+++ b/ortools/util/csharp/CMakeLists.txt
@@ -3,7 +3,7 @@ set_property(SOURCE sorted_interval_list.i PROPERTY SWIG_MODULE_NAME operations_
 set_property(SOURCE sorted_interval_list.i PROPERTY COMPILE_DEFINITIONS
   ${OR_TOOLS_COMPILE_DEFINITIONS} ABSL_MUST_USE_RESULT)
 set_property(SOURCE sorted_interval_list.i PROPERTY COMPILE_OPTIONS
-  -namespace ${OR_TOOLS_DOTNET}.Util
+  -namespace ${DOTNET_PROJECT}.Util
   -dllimport google-ortools-native)
 swig_add_library(dotnet_util
   TYPE OBJECT