error CS0246 The type or namespace name could not be found

Question

0.00/5 (No votes)

See more:

I have an existing namespace and have added a new class file with 2 classes defined in the same namespace. In one of the previously existing classes (same namespace) I can declare variables of both the new classes without error. But in another class (same namespace) - one of the declaration gives error CS0246 and the other one has no problem.

Stranger yet; if I add a third class - that one generates the same error.

Both classes are listed in Intellisense.

1) Since they are in the same assembly - it is not missing.
2) Since they are in the same namespace and one of them can be seen - using directive it not the problem.

Any ideas?

Posted 12-Apr-12 12:06pm

John R. Shaw

Updated 3-May-22 2:28am

Add a Solution

Comments

[no name] 3-May-22 8:26am

Severity Code Description Project File Line Suppression State
Error CS0246 The type or namespace name 'modbus' could not be found (are you missing a using directive or an assembly reference?) modbus1 C:\Users\PCAPP\source\repos\modbus1\modbus1\Form1.cs 17 Active

Dave Kreskowiak 3-May-22 8:50am

If you've got a question, open your own question by going to the "quick answers" menu and click "Ask a question", and provide proper details on your problem.

3 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

VJ Reddy · Answer 1 · 2012-04-12T14:36:00

Since, everything is in order as stated by you, try Build->Clean Solution in Visual Studio, as sometimes when everything seemed to be correct, it helped me.
I am not sure that it will serve the purpose, but may be helpful.
It is a simple point not worth mentioning, but sometimes we may miss simple points.

Lakamraju Raghuram · Answer 2 · 2012-04-12T15:38:00

Solution 2

Can you rule out that you haven't done any thing wrong as mentioned here:

http://msdn.microsoft.com/en-us/library/w7xf6dxs(v=vs.80).aspx[^]

A simple typo could be creating the problem.

Posted 12-Apr-12 15:38pm

Lakamraju Raghuram

John R. Shaw · Answer 3 · 2012-04-13T04:17:00

Thanks for the efforts.

It turned out that it would build without errors if it was built by itself. But would generate errors when the whole solution was built.

The problem turned out to be related to linking. A member of our team has direct links, in another related project, to 2 of the files I was modifying. That project only needed those 2 files; it does not depend on any other assemblies in the solution. Unfortunately I was introducing dependencies on other classes in the original assembly that was not linked to the other project.

I have several possible workarounds and just need to decided which is the best solution.

Thank again!

error CS0246 The type or namespace name could not be found

3 solutions

Solution 1

Solution 2

Solution 3

Add your solution here

Preview 0