Resourcemanager.GetString returns null

Question

0.00/5 (No votes)

See more:

hi!
I am trying to make my user control (dll project) multi language with resources, but i have a dim problem!
I can get my aproaching string just first! i mean when resourcemanager.getstring returns a string, then after that it doesnt return anything! it loads assembly correctly always! problem is after running line of GetString method!
should i release resource after any string returned? (i used it with ReleaseAllResources() method)
stacktrace show internal methods of .Net!

System.NullReferenceException was caught
HResult=-2147467261
Message=Object reference not set to an instance of an object.

here is my code!

C#

Type t = Type.GetType("A CLASS IN NAMESPACE");
System.Reflection.Assembly asm = t.Assembly;
System.Resources.ResourceManager rm = new System.Resources.ResourceManager("Namespace.ResourceName", asm);
string s=rm.GetString(FieldName);
// rm.ReleaseAllResources();
return s;

I named my resource files like this

HTML

fa-IR.resx
en-US.resx
es-MX.resx

these are embedded resources!
thank you!

EDIT:
It is a user control project!

Posted 10-May-14 10:05am

ali_heidari_

Updated 12-May-14 2:29am

v2

Add a Solution

Comments

[no name] 10-May-14 16:35pm

http://msdn.microsoft.com/en-us/library/d17ax2xk(v=vs.110).aspx

ali_heidari_ 10-May-14 17:01pm

I read it before, but didnt get my answer!

[no name] 10-May-14 17:09pm

Then go read it again!

Nelek 10-May-14 17:33pm

My virtual 5

ali_heidari_ 10-May-14 17:34pm

Did you read it? do you know my answer? are you sure reading it, is not wasting time ?
anyway i do!

[no name] 10-May-14 20:38pm

Well if you consider reading the documentation for the classes that you are using a "waste of your time" then you should probably give up programming altogether. Programming by its very nature requires someone to read, research, study. If you are unwilling or unable to do that then you are going to have a very hard time in this field. The answer to your exact question is in the documentation, in plain sight. It is not hidden or encrypted in any way, shape or form. So that tells me that you did not bother reading it at all.

ali_heidari_ 11-May-14 3:38am

I read it befor but didnt get my answer, anyway i read it again and again! i ment if my answer is there realy i read it again, if there is not my answer, is not wasting time to read it again? maybe problem is my visualstudio, maybe problem is my hardware , maybe it is a bad component! i dnt know, after searching whole of the day, i posted a question here maybe someone had my problem before!

Bernhard Hiller 12-May-14 3:40am

I do not understand in which line (code) you receive the NullReferenceException.

ali_heidari_ 12-May-14 4:53am

in this line: string s=rm.GetString(FieldName);
for first time everything is ok and it loads the string, but for second time to next, it returns null exception!

Bernhard Hiller 12-May-14 6:14am

Then instantiate the ResourceManager only once (I often use a static field in the class), and re-use that instance for later accesses.

1 solution

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)

Sergey Alexandrovich Kryukov · Answer 1 · 2014-05-10T14:32:00

You are trying to achieve some .NET globalization/localization features which are already developed and provided for you with .NET FCL. The idea is correct, but .NET implementation automates the localization much deeper that you are only trying to do. It is based on satellite assemblies (basically, resource-only assemblies which are named properly for using them automatically, depending on the current culture your application switches on), and the fallback mechanism, where the satellite assemblies are chosen automatically trying to match the required culture with the cultures of available satellite assemblies.

Please see my past answers:
How to use a Single resx file for 3 languages[^],
globalization/localization problem in winform .net[^],
globalization in winforms[^].

—SA