将项目升级到VS 2012 Update 2 CTP失败... [英] Project upgrade to VS 2012 Update 2 CTP fails...

问题描述

我有一个Visual Studio 2012 LightSwitch项目，我想升级到最新的Update 2 CTP 4并添加HTML客户端.

I have a Visual Studio 2012 LightSwitch project that I want to upgrade to the latest Update 2 CTP 4 and add an HTML Client.

但是，VS无法升级项目.在升级日志中出现以下错误:

However, VS is unable to upgrade the project. I get the following error in the upgrade log:

在尝试升级之前，我已经确认:

Before trying to upgrade, I have made sure:

1.该项目的构建没有任何错误.
2.清除清单缓存.
3.成功清理项目.

1. The project builds without any errors.
2. Cleaned out the manifest cache.
3. Cleaned the project successfully.

我在这里缺少明显的东西吗?欢迎任何建议.

Am I missing something obvious here? Any suggestions are welcome.

谢谢

推荐答案

以前看过这个.我唯一能想到的就是专心于消息的意思:

Have seen this before.  Only thing I can think of is to concentrate on exactly what the message is saying:

对象引用未设置为对象的实例"

"Object reference not set to an instance of an object"

检查是否已实例化所有引用的对象.有时，即使先前的测试可行，您仍可能会错过一个.此更新可能会更好地捕获错误.有时，如果之后没有实际引用对象 您进行构建后，它就会潜行.希望这会有所帮助.

Check that all objects referenced have been instantiated.  Sometimes you can miss one even though the prior runs worked.  This update may be just a little better at catching errors.  Sometimes if an object isn't actually referenced after you do a build, it will sneak through.  Hope this might help.

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