类型或命名空间名称找不到 [英] The type or namespace name could not be found

问题描述

我在 Visual Studio 2010中有几个项目 C＃解决方案。
一个是测试项目（我称之为 PrjTest 的），另一种是 Windows窗体应用程序项目（我称之为 PrjForm 的）。也有通过PrjForm，它是能够引用并成功地使用所引用的第三个项目

的 PrjForm 的引用 PrjTest 和 PrjForm 的有一个使用声明一个类

 使用PrjTest;
 

1. 参考已正确添加


2. 使用语句正确就位


3. 的拼写是否正确


4. PrjTest成功生成


5. PrjForm建立差不多，但断使用PrjTest; 与错误行：

类型或命名空间名称'PrjTest'找不到（是否缺少using指令或程序集引用？）的

我试过下面来解决此问题：

1. 删除ReSharper的（因为ReSharper的没有任何麻烦，承认引用的项目，我想这可能是值得一试）


2. 删除并重新添加了引用和using语句


3. 重新PrjForm从头


4. PrjForm当前所在的PrjTest文件夹内，我试图将其移动到外部文件夹


5. 加载不同的计算机上该解决方案使用的全新副本VS 2010

我已经做了我的功课，花了很多时间寻找一个答案在网上，没有任何解决方案帮助呢。

还有我该怎么办？

解决方案

请参见这个问题。

原来这是一个客户端分析问题。

PrjForm被设置为NET框架4客户端配置文件
我把它改成.Net框架4，现在我有一个成功的构建。

谢谢大家！
我想它的数字，经过所有花费的时间上网查询，我发现张贴后的溶液分钟，我猜诀窍是知道正确的问题要问。

I have a C# solution with several projects in Visual Studio 2010. One is a test project (I'll call it "PrjTest"), the other is a Windows Forms Application project (I'll call it "PrjForm"). There is also a third project referenced by PrjForm, which it is able to reference and use successfully.

PrjForm references PrjTest, and PrjForm has a class with a using statement:

using PrjTest;

1. Reference has been correctly added
2. using statement is correctly in place
3. Spelling is correct
4. PrjTest builds successfully
5. PrjForm almost builds, but breaks on the using PrjTest; line with the error:

The type or namespace name 'PrjTest' could not be found (are you missing a using directive or an assembly reference?)

I've tried the following to resolve this:

1. Removed Resharper (since Resharper had no trouble recognizing the referenced project, I thought it might be worth a shot)
2. Removed and re-added the reference and using statement
3. Recreated PrjForm from scratch
4. PrjForm currently resides inside the PrjTest folder, I tried moving it to an outside folder
5. Loaded the solution on a different computer with a fresh copy of VS 2010

I have done my homework and spent far too long looking for an answer online, no solution has helped yet.

What else could I try?

解决方案

See this question.

Turns out this was a client profiling issue.

PrjForm was set to ".Net Framework 4 Client Profile" I changed it to ".Net Framework 4", and now I have a successful build.

Thanks everyone! I guess it figures that after all that time spent searching online, I find the solution minutes after posting, I guess the trick is knowing the right question to ask..

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