在Visual Studio中选择在Solution Explorer中引用然后在属性确保特定版本属性设置为假。

in visual studio select the reference in the solution explorer then in the properties make sure the Specific Version property is set to false.

如果您对本参考中的的web.config ，编辑文件和删除的版本信息的入口。

If you have an entry for this reference in the web.config, edit the file and remove the version information.

如果您关闭Visual Studio并用文本编辑器打开该项目文件，确保在项目文件中的程序集的版本没有列出，但只有名称和类型，所以才删除以下内容：

if you close visual studio and open the project file with a text editor, make sure in the project file the version of the assembly is not listed but only the name and type, so just remove the following:

, Version=6.5.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d'

那么就应该使用类和方法可在这两个工作，不管你使用的是6.5.5或6.5.4，只要code。

then it should work no matter if you are using the 6.5.5 or 6.5.4, as long as the code is using classes and methods available in both.