当在一个siliverlight 2.0工程中 添加webservice时 遇到错误:'Object reference not set to an instance of an object' 解决办法
2008-07-29 16:42
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当在一个siliverlight 2.0工程中 添加webservice时 遇到错误:
'Object reference not set to an instance of an object'
这是因为,siliverlight 2.0 SDK在安装过程中,会自动检测
\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Microsoft.VisualStudio.ServicesProxy.dll
假如存在,它就不再安装这个dll了,
导致最后在应用的时候出错。
解决办法:
1.移除\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Microsoft.VisualStudio.ServicesProxy.dll
2.卸载siliverlight 2.0 SDK 和siliverlight 2.0 SDK For Virual Studio Tools
3.重新安装siliverlight 2.0 SDK
此时,你会发现这个
\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Microsoft.VisualStudio.ServicesProxy.dll
已经存在了,
Everything Workes
'Object reference not set to an instance of an object'
这是因为,siliverlight 2.0 SDK在安装过程中,会自动检测
\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Microsoft.VisualStudio.ServicesProxy.dll
假如存在,它就不再安装这个dll了,
导致最后在应用的时候出错。
解决办法:
1.移除\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Microsoft.VisualStudio.ServicesProxy.dll
2.卸载siliverlight 2.0 SDK 和siliverlight 2.0 SDK For Virual Studio Tools
3.重新安装siliverlight 2.0 SDK
此时,你会发现这个
\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Microsoft.VisualStudio.ServicesProxy.dll
已经存在了,
Everything Workes
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