why exe.config changed but vshost.exe.config not changed

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i try to edit app.config file and my code is :

C#

var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
config.AppSettings.Settings["a"].Value = "kkkk";
 config.Save(ConfigurationSaveMode.Modified);           ConfigurationManager.RefreshSection(config.AppSettings.SectionInformation.Name);

and app.config file is :

HTML

<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
    </startup>
  <appSettings>
    <add key="a" value="b" />
  </appSettings>
</configuration>

when i run my solution vshost.exe.config changed in runtime but when i stop my solution my values in vshost.exe.config come back again

i unchecked "enable the visual studio hosting process" in properties
now just exe.config changed but vshost.exe.config not changed

how can i change both exe.config and vshost.exe.config on "runtime"

Posted 8-Oct-14 23:08pm

NorouziFar

Updated 12-Sep-17 18:06pm

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2 solutions

Solution 2

my data formet restor your data

Posted 12-Sep-17 18:06pm

Member 13406926

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Graeme_Grant 13-Sep-17 0:18am

Is this supposed to be a question or an answer?

This question is OVER 3-YEARS-OLD and already has an answer accepted! Please do not post solutions to tombstoned (old) questions & questions where answers are already accepted. There are plenty of other "current" questions waiting for help.

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jadavparesh06 · Accepted Answer · 2014-10-08T23:40:00

the vshost.exe.config file changes when your run the vshost.exe file. Whenever you are running your application in debug mode from visual studio the vshost.exe is executed that is the reason why the vshost.exe.config file is changing when your code to modify the config file was run. but as soon as you stop and rerun your application Visual studio replaces the vshost.exe.config file with your exe.config file so your changes in vshost.exe.config file will be lost. Don't worry about this as in actual scenario your exe file will re used to launch your application and not your vshost.exe.

So try to run the application directly from folder from exe. and this will modify the exe.config file only.