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POAdd node in XML file crashes
 

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  1. POAdd node in XML file crashes
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    <p>I created a ping application with a service that pings to URLs. The list of the URLs is stored in an XML file.<br> My application crashes when I'm trying to add a new site to my XML while the service is running. </p> <p>VS2010 says my file is being used by some other process but I'm sure that everything is fine. My service isn't using the XML while I'm adding to it.</p> <p>BUT I guess using an XmlReader &amp; XmlWriter at the same time is where it crashes.<br> I'll rewrite my code with LINQ to XML but I was wondering if it's possible to use XmlReader &amp; XmlWriter at the same time?</p> <pre><code>private void saveSites(Site newSite) { XmlDocument XDoc = new XmlDocument(); bool fileExists = true; if (File.Exists("c:\\temp\\sites.xml") == false) { createXML(); fileExists = false; } using (XmlReader XReader = XmlReader.Create("c:\\temp\\sites.xml")) { XDoc.Load(XReader); if (fileExists == true) { XmlNode SiteNode = XDoc.CreateNode(XmlNodeType.Element, "site", ""); XmlNode URLNode = XDoc.CreateNode(XmlNodeType.Element, "url", ""); URLNode.InnerText = newSite.URL; XmlNode EmailNode = XDoc.CreateNode(XmlNodeType.Element, "email", ""); EmailNode.InnerText = newSite.Email; SiteNode.AppendChild(URLNode); SiteNode.AppendChild(EmailNode); XDoc.DocumentElement.AppendChild(SiteNode); } else { foreach (Site site in sites) { XmlNode SiteNode = XDoc.CreateNode(XmlNodeType.Element, "site", ""); XmlNode URLNode = XDoc.CreateNode(XmlNodeType.Element, "url", ""); URLNode.InnerText= site.URL; XmlNode EmailNode = XDoc.CreateNode(XmlNodeType.Element, "email", ""); EmailNode.InnerText = site.Email; SiteNode.AppendChild(URLNode); SiteNode.AppendChild(EmailNode); XDoc.DocumentElement.AppendChild(SiteNode); } } XDoc.Save("c:\\temp\\sites.xml"); } } </code></pre>
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    1. USYuval Itzchakov
    1. USTom Kerkhove
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