You can use perl with a module like XML::Simple to read in Web.Config.  In the 
case of XML::Simple, you'd then test for a tree node 
$parent->{'ConnectStrings'}.  If it doesn't exist, then you'd just add the node 
to the tree and flush the tree to Web.Config.  Other perl modules can do this 
job slightly differently.

--
John M. Cooper

-----Original Message-----
From: siaj [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 11, 2008 9:29 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] Creating a XML Node in Config file

Hello,
I am new to Wix toolset. I am trying to create a Node in a Web.Config file
which looks like
<ConnectionStrings>
</ConnectionStrings>

The node should be created only is such a node "does not exists". If there
is already such node then it should not create a duplicate node.

Can anyone help me with a code snippet or guide me in a direction?

Thanks,
siaj
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