diff --git a/Course/BusinessLogic/BusinessLogic.csproj b/Course/BusinessLogic/BusinessLogic.csproj
new file mode 100644
index 0000000..132c02c
--- /dev/null
+++ b/Course/BusinessLogic/BusinessLogic.csproj
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diff --git a/Course/Contracts/Contracts.csproj b/Course/Contracts/Contracts.csproj
new file mode 100644
index 0000000..132c02c
--- /dev/null
+++ b/Course/Contracts/Contracts.csproj
@@ -0,0 +1,9 @@
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diff --git a/Course/Course.sln b/Course/Course.sln
new file mode 100644
index 0000000..c669cc1
--- /dev/null
+++ b/Course/Course.sln
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diff --git a/Course/DataModels/DataModels.csproj b/Course/DataModels/DataModels.csproj
new file mode 100644
index 0000000..132c02c
--- /dev/null
+++ b/Course/DataModels/DataModels.csproj
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+  <PropertyGroup>
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new file mode 100644
index 0000000..132c02c
--- /dev/null
+++ b/Course/DatabaseImplement/DatabaseImplement.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
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+  <PropertyGroup>
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