Update web.config based on another server using asp.net

Question

I am looking for a simple and elegant way to change my appsettingsweb.config based on a different environment, and I have (dev / qa / test / stage / prod), and I manually change appsettingsits very tedious and laborious time, and I have dozens settings ... What is the best approach for this curious situation? I know one solution using Environment variables, but want to hear best practice?

Answer 1

I prefer to use external sections of web.config, for example:

<appSettings configSource="appsettings.config" />

then appsettings.config looks like this:

<appSettings>
   <add key ...>
</appSettings>

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Answer 2

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• http://www.codeguru.com/csharp/.net/article.php/c17407

Answer 3

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Answer 4

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Answer 5

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Answer 6

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Answer 7

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Answer 8

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pre-build:

"$(ProjectDir)copyifnewer.bat" "$(ProjectDir)web.config.$(ConfigurationName)" "$(ProjectDir)web.config"

"$(ProjectDir)copyifnewer.bat" "$(ProjectDir)appsettings.config.$(ConfigurationName)" "$(ProjectDir)appsettings.config"

copyifnewer.bat:

echo Config Maintenance
echo Today date of %date:~-4,4%\%date:~-10,2%\%date:~-7,2%
rem echo Comparing two files: %1 with %2
echo .
if not exist %1 goto File1NotFound
if not exist %2 goto File2NotFound

fc %1 %2 
if %ERRORLEVEL%==0 GOTO NoCopy

echo These files are NOT the same.  Copying %1 over %2
copy %1 %2 /y & goto END

:NoCopy
echo These files are the same.  Nothing copied.
goto END

:File1NotFound
echo %1 not found.
goto END

:File2NotFound
copy %1 %2 /y
goto END

:END
echo Done.
echo .

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