reinstate net461 TFM; fix #1325

Dapper.Contrib/Dapper.Contrib.csproj

@@ -5,7 +5,7 @@
     <Title>Dapper.Contrib</Title>
     <Description>The official collection of get, insert, update and delete helpers for Dapper.net. Also handles lists of entities and optional "dirty" tracking of interface-based entities.</Description>
     <Authors>Sam Saffron;Johan Danforth</Authors>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net461;netstandard2.0</TargetFrameworks>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
@@ -18,4 +18,7 @@
     <PackageReference Include="System.Reflection.Emit" Version="4.3.0" />
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
   </ItemGroup>
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
+    <Reference Include="Microsoft.CSharp" />
+  </ItemGroup>
 </Project>
\ No newline at end of file

Dapper.EntityFramework.StrongName/Dapper.EntityFramework.StrongName.csproj

@@ -4,7 +4,7 @@
     <Title>Dapper: Entity Framework type handlers (with a strong name)</Title>
     <Description>Extension handlers for entity framework</Description>
     <Authors>Marc Gravell;Nick Craver</Authors>
-    <TargetFrameworks>net462</TargetFrameworks>
+    <TargetFrameworks>net461</TargetFrameworks>
     <AssemblyOriginatorKeyFile>../Dapper.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>

Dapper.EntityFramework/Dapper.EntityFramework.csproj

@@ -5,7 +5,7 @@
     <AssemblyTitle>Dapper entity framework type handlers</AssemblyTitle>
     <VersionPrefix>1.50.2</VersionPrefix>
     <Authors>Marc Gravell;Nick Craver</Authors>
-    <TargetFrameworks>net462</TargetFrameworks>
+    <TargetFrameworks>net461</TargetFrameworks>
     <PackageTags>orm;sql;micro-orm</PackageTags>
   </PropertyGroup>
   <ItemGroup>

Dapper.ProviderTools/Dapper.ProviderTools.csproj

@@ -8,7 +8,7 @@
     <Title>Dapper Provider Tools</Title>
     <Description>Provider-agnostic ADO.NET helper utilities</Description>
     <Authors>Marc Gravell</Authors>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net461;netstandard2.0</TargetFrameworks>
     <SignAssembly>true</SignAssembly>
     <Nullable>enable</Nullable>
     <LangVersion>8.0</LangVersion>

Dapper.Rainbow/Dapper.Rainbow.csproj

@@ -6,7 +6,7 @@
     <Description>Trivial micro-orm implemented on Dapper, provides with CRUD helpers.</Description>
     <Authors>Sam Saffron</Authors>
     <Copyright>2017 Sam Saffron</Copyright>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net461;netstandard2.0</TargetFrameworks>
     <!-- TODO: Docs -->
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
@@ -20,4 +20,7 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
   </ItemGroup>
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
+    <Reference Include="Microsoft.CSharp" />
+  </ItemGroup>
 </Project>
\ No newline at end of file

Dapper.SqlBuilder/Dapper.SqlBuilder.csproj

@@ -5,7 +5,7 @@
     <Title>Dapper SqlBuilder component</Title>
     <Description>The Dapper SqlBuilder component, for building SQL queries dynamically.</Description>
     <Authors>Sam Saffron, Johan Danforth</Authors>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net461;netstandard2.0</TargetFrameworks>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
@@ -16,4 +16,7 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
   </ItemGroup>
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
+    <Reference Include="Microsoft.CSharp" />
+  </ItemGroup>
 </Project>
\ No newline at end of file

Dapper.StrongName/Dapper.StrongName.csproj

@@ -5,7 +5,7 @@
     <Title>Dapper (Strong Named)</Title>
     <Description>A high performance Micro-ORM supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird etc..</Description>
     <Authors>Sam Saffron;Marc Gravell;Nick Craver</Authors>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net461;netstandard2.0</TargetFrameworks>
     <SignAssembly>true</SignAssembly>
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
   </PropertyGroup>

Dapper.sln

@@ -45,7 +45,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Dapper.EntityFramework.Stro
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Dapper.Tests.Performance", "Dapper.Tests.Performance\Dapper.Tests.Performance.csproj", "{F017075A-2969-4A8E-8971-26F154EB420F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dapper.ProviderTools", "Dapper.ProviderTools\Dapper.ProviderTools.csproj", "{B06DB435-0C74-4BD3-BC97-52AF7CF9916B}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Dapper.ProviderTools", "Dapper.ProviderTools\Dapper.ProviderTools.csproj", "{B06DB435-0C74-4BD3-BC97-52AF7CF9916B}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

Dapper/Dapper.csproj

@@ -5,7 +5,7 @@
     <Title>Dapper</Title>
     <Description>A high performance Micro-ORM supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird etc..</Description>
     <Authors>Sam Saffron;Marc Gravell;Nick Craver</Authors>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net461;netstandard2.0</TargetFrameworks>
   </PropertyGroup>
   
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">