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POChange App.config during installation
 

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  1. POChange App.config during installation
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    <p>I have XML-file with settings like this</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" &gt; &lt;section name="UpdateReportService.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" /&gt; &lt;/sectionGroup&gt; &lt;/configSections&gt; &lt;applicationSettings&gt; &lt;UpdateReportService.Properties.Settings&gt; &lt;setting name="Path" serializeAs="String"&gt; &lt;value&gt;C:\1&lt;/value&gt; &lt;/setting&gt; &lt;setting name="Branch" serializeAs="String"&gt; &lt;value&gt;200&lt;/value&gt; &lt;/setting&gt; &lt;setting name="b204" serializeAs="String"&gt; &lt;value&gt;192.168.1.55&lt;/value&gt; &lt;/setting&gt; &lt;setting name="b200" serializeAs="String"&gt; &lt;value&gt;192.168.0.83&lt;/value&gt; &lt;/setting&gt; &lt;setting name="Hour" serializeAs="String"&gt; &lt;value&gt;11&lt;/value&gt; &lt;/setting&gt; &lt;/UpdateReportService.Properties.Settings&gt; &lt;/applicationSettings&gt; &lt;/configuration&gt; </code></pre> <p>And I'd like to change some values to values typed by user during install program.</p> <p>I find example on VB and try convert it to c#:</p> <pre><code>namespace InstallConfigurator { [RunInstaller(true)] public class SettingsClass : Installer { public override void Install(System.Collections.IDictionary stateSaver) { Configuration config = ConfigurationManager.OpenExeConfiguration(Context.Parameters["TARGETDIR"].ToString() + "UpdateReportService.exe"); ClientSettingsSection applicationSettingsSection = (ClientSettingsSection)config.SectionGroups["applicationSettings"].Sections["UpdateReportService.Properties.Settings"]; SettingElement Elem = applicationSettingsSection.Settings["Branch"]; applicationSettingsSection.Settings.Remove(Elem); Elem.Value.ValueXml.InnerXml = "30000"; applicationSettingsSection.Settings.Add(Elem); config.Save(ConfigurationSaveMode.Full); } } } </code></pre> <p>But get error "inaccessible due to its protection level" at this place:</p> <pre><code>SettingElement Elem = applicationSettingsSection.Settings["Branch"]; </code></pre> <p>So, is it possible on c# to access to section in App.config and to change it.</p> <hr> <p><strong>Upd. 2012.02.10</strong></p> <p>i've solved problem this way:</p> <pre><code>namespace InstallConfigurator { [RunInstaller(true)] public class SettingsClass : Installer { public override void Install(System.Collections.IDictionary stateSaver) { string xml = Context.Parameters["TARGETDIR"].ToString() + "UpdateReportService.exe.config"; XmlDocument document = new XmlDocument(); document.Load(xml); XPathNavigator navigator = document.CreateNavigator(); XmlNamespaceManager ns = new XmlNamespaceManager(navigator.NameTable); foreach (XPathNavigator nav in navigator.Select(@"/configuration/applicationSettings/UpdateReportService.Properties.Settings/setting[@name='Branch']/value")) { nav.SetValue(Context.Parameters["BRANCH"].ToString()); } foreach (XPathNavigator nav in navigator.Select(@"/configuration/applicationSettings/UpdateReportService.Properties.Settings/setting[@name='Path']/value")) { nav.SetValue(Context.Parameters["PATH"].ToString()); } document.Save(xml); } } } </code></pre>
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    1. COHave you considered token replacement or the .NET 4 transforms http://www.hanselman.com/blog/SlowCheetahWebconfigTransformationSyntaxNowGeneralizedForAnyXMLConfigurationFile.aspx?
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    2. COI am sorry, but I don't understand how it works and how it helps me
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    3. COdid you read through the link I provided?
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