Method 1: Open the. sln file with Notepad, and you will see
Copy Code code as follows:
Microsoft Visual Studio Solution File, Format Version 10.00
# Visual Studio 2008
You change it to:
Microsoft Visual Studio Solution File, Format Version 9.00
# Visual Studio 2005
That can be opened with 2005来
Method 2:
1. Open solution file with Notepad [solution name].sln, and then modify the following code for the top two behaviors:
Copy Code code as follows:
Microsoft Visual Studio Solution File, Format Version 9.00 # Visual Studio 2005
2. Open each project file with Notepad [project name].csproj, remove the following node under <PropertyGroup> node:
Copy Code code as follows:
<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
and modify the ProductVersion and import two nodes as follows:
<ProductVersion>8.0.50727</ProductVersion>
<import project= "$ (msbuildbinpath) \microsoft.csharp.targets"/>
This should be open.