C# XDocument Save copy file and appends edited to end

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When I'm trying to edit XML Element and save it, it generates copy (with edited element) and appends it to end of file.

var localStore = IsolatedStorageFile.GetUserStoreForApplication();

IsolatedStorageFileStream stream = new IsolatedStorageFileStream("DataFolder\\PlayerData.xml", FileMode.OpenOrCreate, FileAccess.ReadWrite, localStore);

var doc = XDocument.Load(stream);

doc.Root.Element("characters").Element("character").SetElementValue("expierence", 10);

doc.Save(stream, SaveOptions.None);

stream.Close();

Example output file:

<?xml version="1.0" encoding="utf-8"?>

<root>

    <characters>

        <character>

            <expierence>0</expierence>

        </character>

    </characters>

</root><?xml version="1.0" encoding="utf-8"?>

<root>

    <characters>

        <character>

            <expierence>10</expierence>

        </character>

    </characters>

</root>

  1. Post:145

    Points:1019
    Re: C# XDocument Save copy file and appends edited to end

    Hi Samuel,

    That's exactly what you told it to do by passing FileMode.OpenOrCreate.

    If you want to truncate any existing file, pass Create.

Answer