VS2008 support. net3.5, and vs2005 support. net2.0, so use vs2005 to open the VS2008 project, to make sure that your project is. net2.0, here are two ways to VS2005 open VS2008 projects
Method 1: Open the. sln file in Notepad, and you'll see the code as follows: Microsoft Visual studio Solution file, Format Version 10.00 # Visual Studio 2008 You change it to: Mi Crosoft Visual Studio Solution File, Format Version 9.00 # Visual Studio 2005 can be opened with 2005来 method 2:1. Open solution file with Notepad [solution name].sln, and then modify the top two behaviors as follows: The code is as follows: Microsoft Visual Studio Solution file, Format Version 9.00 # Visual Studi O 2005 2. Open each project file with Notepad [project name].csproj, remove the following node under <PropertyGroup> node: 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.