update code

Author: 28810

FreeSql.DbContext/FreeSql.DbContext.xml

@@ -51,7 +51,6 @@ public CsToDb(T type, string dbtype, string dbtypeFull, bool? isUnsigned, bool?
         }
     }
 
-
     public class DbInfoResult
     {
         public int type { get; }

FreeSql/Internal/Model/DbToCs.cs

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>netstandard2.0;net46;net45;net40</TargetFrameworks>
+		<TargetFrameworks>netstandard2.0;net451;net45;net40</TargetFrameworks>
 		<Version>1.7.0</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>ncc;YeXiangQin</Authors>
@@ -25,15 +25,18 @@
     <None Include="../../logo.png" Pack="true" PackagePath="\" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'net46'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net451'">
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.1" />
+  </ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.Data.SqlClient" Version="2.0.0" />
   </ItemGroup>
 
 	<ItemGroup>
 	  <ProjectReference Include="..\..\FreeSql\FreeSql.csproj" />
 	</ItemGroup>
 
-  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'net46'">
+  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <DefineConstants>microsoft</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'net40'">