1) I'll try and do you one better. Here's how I update a specifc node (key
or value)...
<util:XmlConfig Id="SetPort" Action="create" Node="value" Name="value"
ElementPath="//appSettings/[EMAIL PROTECTED]'port'[\]]"
VerifyPath="//appSettings/[EMAIL PROTECTED]'port'[\]]" Sequence="1"
File="[INSTALLDIR]Web.config" On="install" Value="[CONFIGPORT]" />
[INSTALLDIR] should be whatever your directoryref is to that component for
the config file...
And you'll probably want 2 xmlfile elements to create the 2 elements
(newSection & add). I could be wrong on this part, haven't tried adding in
new sections before, but this is a start.
And my config file looks something like this...
<?xml version="1.0"?>
<configuration>
<appSettings>
<add key="port" value="12345"/>
</appSettings>
</configuration>
And for the dialog you could give the user the choice to update or not to
update...
<!-- RadioButton Group values: Config=1; Bypass=2 -->
<Control Id="RadioButtons" Type="RadioButtonGroup" X="35" Y="65"
Width="301" Height="66" Property="CONFIGCHOICE">
<RadioButtonGroup Property="CONFIGCHOICE">
<RadioButton Text="!(loc.WebConfigDlg_Radio1_Text)" X="0" Y="0"
Width="300" Height="15" Value="1" />
<RadioButton Text="!(loc.WebConfigDlg_Radio2_Text)" X="0" Y="15"
Width="300" Height="15" Value="2" />
</RadioButtonGroup>
</Control>
<!-- User enters PORT to listen for (Defaults to "12345") -->
<Control Type="Edit" Width="172" Height="15" X="155" Y="136"
Id="ConfigPortValue" Text="[CONFIGPORT]" Default="yes"
Property="CONFIGPORT">
<Condition Action="show">CONFIGCHOICE=1</Condition>
<Condition Action="hide">CONFIGCHOICE=2</Condition>
</Control>
<Control Type="Text" Width="112" Height="10" X="35" Y="139"
Id="ConfigPortText" Transparent="yes" NoPrefix="yes"
Text="!(loc.WebConfigDlg_Port)">
<Condition Action="show">CONFIGCHOICE=1</Condition>
<Condition Action="hide">CONFIGCHOICE=2</Condition>
</Control>
2) You just need to include the old one and the new one will be installed as
the user updates the settings.
3) I've never seen this, but I'd lean towards 'no'
On Tue, Sep 9, 2008 at 11:17 AM, polan <[EMAIL PROTECTED]> wrote:
>
> Thx for your fast answer
>
> Ok - sorry for the unclear description. I didn't want to make it long -
> let's do it more descriptive:
> Here's the scenario (I'll use simplify pseudo code for the app.config):
>
> I have my application version 1.0.0 with app.config:
> <configuration>
> <databaseConfig>
> <add key="Server" value="localhost\MyDbEngine" />
> <add key="Database" value="MyDb" />
> </databaseConfig>
> </configuration>
>
> The user gets the app and installs it. He changes the values as he's
> pleased.
> (i.e. he changes
> <add key="Server" value="localhost\MyDbEngine" />
> <add key="Database" value="FancyUserDbName" />
> )
> Now there is the next version 1.0.1 with app.config:
>
> <configuration>
> <databaseConfig>
> <add key="Server" value="localhost\MyDbEngine" />
> <add key="Database" value="MyDb" />
> </databaseConfig>
> <newSection>
> <add key="newKey" value="newValue" />
> </newSection>
> </configuration>
>
> Users gets the installer (1.0.1). What I want it to do is install the
> program preserving the values from .config file that already existed in the
> previous version (1.0.0) and adding all the new ones. I wouldn't like the
> user being forced to write the "FancyUserDbName" once again to the file (or
> in the installer).
>
> As I understood from your answer there is a way to extract required values
> from the .config file that is being installed, show them in installers UI
> and allow the user to edit it and write the effect into the final .config
> file.
> 1. If it is right could you write a bit more on how to do it? Or maybe some
> link to read about it? I am especially concern in the way of accessing the
> file that is being installed.
>
> 2 .Would it be also possible to use both the new .config file (in my
> example
> version 1.0.1) and the old one (1.0.0) together to fill the data in UI
> accordingly to my needs?
>
> 3. Finaly is it possible to skip editing the values by the user and just
> merge the new and old files? (I don't expect the wix to know how to merge
> them - but maybe it is possible to do it via Custom Action?)
>
>
>
> cemiles wrote:
> >
> > You'll probably have to write up a dialog and have some edit fields set
> to
> > properties and pass those values entered onto the util:xmlconfig element.
> > That's been my approach. Maybe I'm on the wrong track on what you are
> > trying to do...
> >
> > On Tue, Sep 9, 2008 at 10:32 AM, Chad Miles <[EMAIL PROTECTED]>
> wrote:
> >
> >> You can update the config file during the UI sequence and modify
> >> keys/values. Is that all you're trying to do?
> >>
> >> util:xmlconfig element
> >>
> >>
> >> On Tue, Sep 9, 2008 at 10:26 AM, polan <[EMAIL PROTECTED]> wrote:
> >>
> >>>
> >>> I have some application settings (like database configuration etc.)
> >>> stored
> >>> in
> >>> app.config file.
> >>> As it is a standard .Net approach i haven't expected any troubles with
> >>> this
> >>> and installer. I would like to make the newest version of the program
> >>> available to the users via wix installer, but I couldn't find a simple
> >>> way
> >>> of updating the .config file without trashing the old settings values.
> >>> The perfect solution for me would be a way to merge somehow the old
> file
> >>> with the new one.
> >>>
> >>> I am thinking about several possible approaches (don't know if all are
> >>> possible)
> >>>
> >>> 1. Compare and merge old and new .config files using Custom Action
> >>> A problem with this one is I can't get to access the new file (the one
> >>> that's gona be installed)
> >>>
> >>> 2. Backup old file using Custom Action and merge the backup with the
> >>> freshly
> >>> installed version using another (deferred) Custom Action
> >>>
> >>> 3. Instead of copying the .config file from source move creating it to
> >>> the
> >>> wix (using XmlConfig or XmlFile tag)
> >>> Don't know how to write conditional set/create values - is it possible?
> >>>
> >>> 4. There is some other obvious way, which I can not see maybe?
> >>>
> >>>
> >>> So in Your opinion what is the best approach for updating the .config
> >>> file
> >>> during the update/upgrade?
> >>> Would moving some values from app.config to registry be better?
> >>> --
> >>> View this message in context:
> >>> http://n2.nabble.com/Updating-app.config-tp1077780p1077780.html
> >>> Sent from the wix-users mailing list archive at Nabble.com.
> >>>
> >>>
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