RE: Embedd XML within XML - Possible ??
- From: stcheng@xxxxxxxxxxxxxxxxxxxx ("Steven Cheng")
- Date: Wed, 15 Oct 2008 07:05:38 GMT
Hi sippyuconn,
From your description, I understand that you want to store some XML formatdata via the AppSettings <item> in .net application's configuration file,
correct?
Based on my experience, it is not quite recommended that we store such
complex format text in the appsettings. this is because AppSettings <item>
use attribute to hold item value, which is designed to store some simple
text values.
If you do want to store complex XML data into the attribute field. I think
you can consider the following means:
1. First, your xml data have to be encoded into a safe format(which won't
violate the container xml document). One simple means is using HtmlEncode
to encode the embeded xml(which is to put into appsetting item).
2. When you read the item out, you need to HtmlDecode it.
Here are two simple functions demonstrate this:
=============================
static void StoreXML()
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(@"<root><items>
<item id ='1'></item><item id='2'></item>
</items>
</root>
");
Configuration config
=ConfigurationManager.OpenExeConfiguration( ConfigurationUserLevel.None);
doc.PreserveWhitespace = false;
StringWriter sw = new StringWriter();
doc.Save(sw);
config.AppSettings.Settings["doc1"].Value = null;
config.AppSettings.Settings["doc1"].Value =
HttpUtility.HtmlEncode(sw.ToString());
config.Save();
}
static void ReadXML()
{
string rawdoc = ConfigurationManager.AppSettings["doc1"];
XmlDocument doc = new XmlDocument();
string xml = HttpUtility.HtmlDecode(rawdoc);
doc.LoadXml(xml);
Console.WriteLine(doc.OuterXml);
}
=========================
Hope this helps.
Sincerely,
Steven Cheng
Microsoft MSDN Online Support Lead
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--------------------
From: =?Utf-8?B?c2lwcHl1Y29ubg==?= <sippyuconn@xxxxxxxxxxxxxxxx>
Subject: Embedd XML within XML - Possible ??
Date: Tue, 14 Oct 2008 18:46:00 -0700
my
Hi
I need to store some configuration settings in a db
using an 2 fileds
ID Field and String Field
The ID Field is a unique key and the string holds a xml string that store
settings
Now I need to modify my configuration xml to store another parameter which
is a xml document itself. I could probably store a key in the xml to point
to the 2nd XML document but I was wondering is there a way to embed an
xml string within another xml string as an attribute within an element???
Thanks
.
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