. NET Framework 4 and. NET Framework 4 client profile

I recently encountered a problem in the project. I have referenced anotherProgramBut the compiler still reported an error, saying that the namespace could not be found, but I clearly referenced it. After searching for a long time, I finally found the problem. When you view the properties of a project, you can find that its Framework version is. NET Framework 4 client profile and change it to. NET Framework 4. I checked some related information on the Internet and introduced the differences between the two.

It turned out to be Microsoft's. the. NET Framework is too large and has several hundred megabytes, which makes the development process inconvenient. When installing it for users, A. NET Framework should also be included.. NET Framework. net Framework for weight loss, extract some core functions, this is.. NET Framework client profile. Some other less commonly used functions are not included. Profile is provided from. NET Framework 3.5 .. NET framework 4 client profile has been improved based on 3.5. Through this, we will know that, in fact .. . NET Framework 4 client profile is .. A subset of. NET Framework 4. Therefore, if your project is framework 4 client profile, you cannot Reference Components of framework 4. Some functions in. NET Framework 4 do not exist in the net framework 4 client profile, so an error is reported.

On Microsoft's official website, you will see other Error Descriptions:

When your application targets a participant profile, you might encounter errors if you try to reference an assembly that is not part of that profile. Common Errors include the following:

• The type or namespace name "name" does not exist in the namespace "namespace". (Are you missing an Assembly reference ?)

• Type "typename" is not defined.

• Cocould not resolve assembly "assembly". The Assembly is not listed as part of the "Profile" profile.

These errors can result from different actions. This topic affects des descriptions of what might have caused the error and how to resolve the issue.

If you want to know what the. NET Framework 4 client profile contains and what it does not, refer to this URL .. Net Framework client profile

Other references:

Troubleshooting. NET Framework targeting errors

What's new in. NET Framework 4 client profile beta 2

. NET Framework 4 and. NET Framework 4 client profile