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how can i pass xml nodes from a web service to a client.. as i m doin it in the normal way the way we pass string but its giving a parser error and soap exception
rabia
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I help a small structure below
<jokes>
<joke>
<cat>poem</cat>
<title>ABC</title>
<content>
...
</content>
</joke>
<joke>
<title>123</title>
<content>
...
</content>
</joke>
</jokes>
As you can see, the values for <cat> is "poem" and "normal", for example. But I would like to make it like, when the <cat>poem</cat> appears, it means, the joke is in poem. But if the <joke> does not have <cat> or it has a empty pair <cat></cat>, the type of that joke is considered to be "normal".
How can I check to see if a tag is empty or not present?
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You can test for the presence of a tag with XPath by just writing the tag name: //joke/cat This selects all <joke> tags that have a child <cat> tag. This selects all <cat> tags that are children of a <joke> tag. To test the actual contents of the <cat> you'll need other XPath functions (I just know basic XPath so I don't know the functions by heart, check out the docs)
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Michael Dunn wrote: You can test for the presence of a tag with XPath by just writing the tag name: //joke/cat This selects all <joke> tags that have a child <cat> tag.
No, that would select the "cat" elements not the "joke" elements.
"Alot of the people on this forum are incredibly stupid, thinking that the internet is real"
Score: 1.0 in the Soap Box
led mike
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 I was thinking the right thing, but explained it backwards.
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The response above is correct. You can also use the boolean XPath function to determine if a tag is there or not:
/jokes/joke[boolean(cat)] would select all the joke nodes that contain a cat child element
/jokes/joke[not(boolean(cat))] would select all the joke nodes that don't have a cat child element
Logifusion[ ^]
If not entertaining, write your Congressman.
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u can also compare value for that by using a query using XPathNavigator
-- modified at 5:13 Wednesday 13th September, 2006
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Hi I need to merge several versions of xml documents which contain different data. I can't just append one document to another, instead it need to substitute elements which are the same (meaning having same tag in a hierarchy). One file will have higher precedence than the other and would substitute the data of the other one if same tag. I think an example would explain better than words.
<?xml version="1.0"?>
<!-- Old version, low precedence -->
<movies>
<movie name="Snakes on a Plane">
<director>David Ellis</director>
<year>2006</year>
<rating>M</rating>
</movie>
<movie name="The Descent">
<rating>R</rating>
<year>2005</year>
<director>Neil Marshall</director>
</movie>
</movies>
<?xml version="1.0"?>
<!-- Newer version, higher precedence -->
<movies>
<movie name="Snakes on a Plane">
<director>David R. Ellis</director>
<country>USA</country>
<rating>R</rating>
</movie>
<movie name="Finding Nemo">
<rating>G</rating>
<year>2003</year>
<director>Andrew Stanton</director>
</movie>
</movies>
<?xml version="1.0"?>
<!-- Merged version -->
<movies>
<movie name="Snakes on a Plane">
<director>David R. Ellis</director>
<year>2006</year>
<rating>R</rating>
<country>USA</country>
</movie>
<movie name="The Descent">
<rating>R</rating>
<year>2005</year>
<director>Neil Marshall</director>
</movie>
<movie name="Finding Nemo">
<rating>G</rating>
<year>2003</year>
<director>Andrew Stanton</director>
</movie>
</movies>
Notice in the merged version that for example director for Snakes on a Plane been updated and country added to same movie. Is there any way to do this using standard tools, like C#/.NET or SQLServer 2005 or some other library/product? Or do I need to implement this myself? Thanks for any pointers, Patric
/Patric
My C# blog: C# Coach
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Patric_J wrote: I need to merge several versions of xml documents which contain different data.
Patric_J wrote: using standard tools, like C#/.NET
One way to manupulate XML in this fashion would be to use the System.XML.XmlDocument and the XML DOM that it represents. There is information everywhere about using XML DOM. It comes in real handy so you may as well bite the bullet and get familiar with it. 
"Alot of the people on this forum are incredibly stupid, thinking that the internet is real"
Score: 1.0 in the Soap Box
led mike
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can anybody help? I don't know how to do that!
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Hi,
I have the following code:
public class Item
{
private string name;
private int id;
[XmlElementAttribute]
public string Name
{
get{return name;}
set{name=value;}
}
[XmlElementAttribute]
public int ID
{
get{return id;}
set{id=value;}
}
}
I need to serialize an ArrayList of these Item(s).
public class Dummy
{
[XmlElementAttribute(typeof(Item))]
private ArrayList list;
public Dummy()
{
list=new ArrayList();
list.Add(new Item("one",1));
list.Add(new Item("two",2));
}
//this is called by a class that instantiates Dummy
public void save()
{
XmlSerializer ser=new XmlSerializer(typeof(Item));
StreamWriter writer=new StreamWriter("file.xml");
ser.Serialize(writer,list);
writer.Close();
}
}
but this won't work. Can anyone offer any suggestions?
thanx
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Either make the list field public or make a read/write property for it. Xml serialization will not work on private fields. The reason for this is that the XmlSerializer builds some dynamic types to perform serialization instead of doing it by reflection. This puts the serialization outside of your namespace and it only has access to what is public. Which is also why you need a public default constructor. You also need to use the XmlArrayAttribute:
[XmlArray]
[XmlArrayItem(typeof(Item))]
public ArrayList list;
Logifusion[ ^]
If not entertaining, write your Congressman.
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Hi everyone,
I want to using xmldom but i dont have microsoft.xmldom in my computer can you give me a site that i can download it.
Thanks
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Thanks mike but which?theres many title?
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I need to store some Key/Value pairs associated with a value(id) in a XML file.The xml file would have the following structure :
<language id=1>
<key1>value</key1>
<key2>value</key2>
<key3>value</key3>
.
.
.
</language>
<language id=2>
<key1>value</key1>
<key2>value</key2>
<key3>value</key3>
.
.
.
</language>
.
.
.
My question is How I can save and retrieve information to and from the document.Show me the full code please.
Because I may have more than one xml file of this type that each store different key/value pairs,I need a class that encapsulate everything.I mean it takes as an argument the file name and language "id" and then retrieve all key/value pairs associated with that "id" and we can access them using the class properties.Show me the attributes,methods... the class should have,the data types the class should use.(e.g. IEnumerable ...)
I need to use this in a multi-language website for storing static contents for different languages. I need it soon. Help me please !
Thanks
-- modified at 10:18 Friday 8th September, 2006
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Deserializing into a dictionary is not an automatic thing, so you'd have to do this custom. Nobody's going to give you the "full code" for it though. You have to try writing it yourself and post something when you get stuck. But, after reading this statement:
devboycpp wrote: I need to use this in a multi-language website for storing static contents for different languages.
I'm curious why you're doing this in XML. The internationalization capabilities in .NET are very good. You can create a resx file that works in the same way for this key/value pair idea. It can localize strings based on language and region and it uses the current regional settings from the user. Using the built-in stuff, you can automatically adjust date/time, currency, and number formats to match the current region. There are all kinds of articles on CP and elsewhere describing how to do this.
Logifusion[ ^]
If not entertaining, write your Congressman.
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Does internationalization capabilities in .NET let the user add new languages ?
My site is going to let site adminitrators add new languages(unlimited).Does the .NET built-in feature let me do this ?
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Have a look at this article to get a pretty good description of how to do globalization: http://www.codeproject.com/useritems/localization.asp[^]
Adding new languages is as simple as editing the resx file. There are global and local resx files as well. Meaning you can have one resx file per aspx or ascx. You can also have a resx for the whole application for common strings. If you want to allow an administrator to change resx files through the web application, I suppose the best way would be to use the System.Resources.ResXResourceWriter.
Logifusion[ ^]
If not entertaining, write your Congressman.
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devboycpp wrote: Show me the full code please.
Well asking people to do your work for you does not generaly produce a good response on Code Project.
devboycpp wrote: How I can save and retrieve information to and from the document.
Also I would use an XML structure that does not use different element names for each entry.
That depends on the development environment/language you are working with. For .NET there is the System.Xml namespace that contains many different ways to work with XML (the most obvious is System.Xml.XmlDocument). For VC++ Native applications and I guess even VB  you can use the MSXML ActiveX control and COM interfaces. For all of those things I am sure there is an abundance of help-samples-examples here on Code Project and MSDN.
<language id="2">
<entry name="key1" value="whatever"/>
<entry name="key2" value="something"/>
<\language>
"Alot of the people on this forum are incredibly stupid, thinking that the internet is real"
Score: 1.0 in the Soap Box
led mike
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What do you mean when you say this? :
"Alot of the people on this forum are incredibly stupid, thinking that the internet is real"
Of course internet exists and is real .
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It is a quote from a user named "Score: 1.0". Something he said in the Soapbox forum.
"Alot of the people on this forum are incredibly stupid, thinking that the internet is real"
Score: 1.0 in the Soap Box
led mike
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I use .NET. I already know XML namespace I just want to know details.
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devboycpp wrote: I already know XML namespace I just want to know details.
The hide those details along with example code snippets in the Documentation[^]
"Alot of the people on this forum are incredibly stupid, thinking that the internet is real"
Score: 1.0 in the Soap Box
led mike
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I'd suggest using an XML serializable model. You can use it to read and write the file using XmlSerilaizer and just deal with the model, not the XML.
using System;
using System.Xml.Serialization;
namespace XmlEntities {
[XmlRoot("File")]
public class File {
private Language[] element_language;
[XmlElement("language")]
public Language[] Languages {
get { return element_language; }
set { element_language = value; }
}
}
public class Language {
private System.Int32 attribute_id;
private Entry[] element_entry;
[XmlAttribute("id")]
public System.Int32 Id {
get { return attribute_id; }
set { attribute_id = value; }
}
[XmlElement("entry")]
public Entry[] Entries {
get { return element_entry; }
set { element_entry = value; }
}
}
public class Entry {
private System.String attribute_name;
private System.String attribute_value;
[XmlAttribute("name")]
public System.String Name {
get { return attribute_name; }
set { attribute_name = value; }
}
[XmlAttribute("value")]
public System.String Value {
get { return attribute_value; }
set { attribute_value = value; }
}
}
}
Generated from an XML sample with Skeleton Crew 2.0[^] But you can use xsd.exe if you don't mind slop code.
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