关于错误could not be resolved because it has a dependency on "System.Web, Version=4.0.0.0, Culture=neutral, Public。。。。
2012-03-28 12:01
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今天搭建一个WinForm的框架，生成Form层的总是报这个错误：
The referenced assembly "d:\my documents\visual studio 2010\Projects\SLXJHosEme\SLXJHosEme.BLL\bin\Debug\SLXJHosEme.BLL.dll" could not be resolved because it has a dependency on "System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" which is not in the currently targeted framework ".NETFramework,Version=v4.0,Profile=Client". Please remove references to assemblies not in the targeted framework or consider retargeting your project. SLXJHosEme.Forms
最终找到了问题的原因，解释下：
Form层引用了BLL层，生成BLL层时没有报错，可生成Form层的时候却报BLL层有错，原因在于BLL层和Form层应用的.NETFramework版本不用。
奇怪吧，应用哪个版本的.NETFramework我没有主动的改过，但就是不同。
经检查发现，BLL层默认应用的是.NETFramework 4，而Form层默认应用的是 .NETFramework 4 Client Profile。
解决办法，在Form层的属性里，把 .NETFramework 4 Client Profile改为.NETFramework 4错误就没有了。
The referenced assembly "d:\my documents\visual studio 2010\Projects\SLXJHosEme\SLXJHosEme.BLL\bin\Debug\SLXJHosEme.BLL.dll" could not be resolved because it has a dependency on "System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" which is not in the currently targeted framework ".NETFramework,Version=v4.0,Profile=Client". Please remove references to assemblies not in the targeted framework or consider retargeting your project. SLXJHosEme.Forms
最终找到了问题的原因，解释下：
Form层引用了BLL层，生成BLL层时没有报错，可生成Form层的时候却报BLL层有错，原因在于BLL层和Form层应用的.NETFramework版本不用。
奇怪吧，应用哪个版本的.NETFramework我没有主动的改过，但就是不同。
经检查发现，BLL层默认应用的是.NETFramework 4，而Form层默认应用的是 .NETFramework 4 Client Profile。
解决办法，在Form层的属性里，把 .NETFramework 4 Client Profile改为.NETFramework 4错误就没有了。
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