Xml Attribute..id problem??

[smita]

Hi,
I have an xml file as below

<root>
<table id =1>
<user>abc</user>
<age>25</age>
</table>
<table id = 2>
<user>xyz</user>
<age>45</age>
</table>
.....
.....
</root>

What I want is this id attribute to increment automatically.
So I declared it of type "ID" ..but how do i access the value of this
attribute.

When i add a record it gets added to the xml file but the id attribute does
not show..So how do i refer to this attribute.

[Oleg Tkachenko]

smita wrote:

What I want is this id attribute to increment automatically. For starters, ID in XML cannot be a number. It must be a name.
So I declared it of type "ID" ..but how do i access the value of this
attribute.

When i add a record it gets added to the xml file but the id attribute does
not show..So how do i refer to this attribute.

Well, you forgot to explain which API you are using for getting values
and adding rows.
--
Oleg Tkachenko
XmlInsider
http://blog.tkachenko.com

[smita]

The code for adding the rows is as given below

XmlDocument doc = new XmlDocument();

string url=Server.MapPath("UserPass.xml");

doc.Load(url);

XmlNodeList UserList = doc.GetElementsByTagName("username");

int UserCount = UserList.Count;

DataTable dt = new DataTable();

DataRow dr;

dt.Columns.Add(new DataColumn("ID", typeof(string)));

dt.Columns.Add(new DataColumn("Users", typeof(string)));

dt.Columns.Add(new DataColumn("Select to Edit", typeof(string)));

dt.Columns.Add(new DataColumn("Select to Delete", typeof(string)));
for (int i = 0; i < UserCount; i++)

{

dr = dt.NewRow();

XmlNode usernode = UserList.Item(i);

XmlElement userele = (XmlElement)usernode.ParentNode;

dr[0] = userele.GetAttribute("id");

dr[1] = (usernode.InnerXml).ToString();

dr[2] = "EDIT";

dr[3] = "DELETE";

dt.Rows.Add(dr);

}

DataView dv = new DataView(dt);

UserDetailsGrid.DataSource = dv;

UserDetailsGrid.DataBind();

Now it does not display the id value in the data grid. I want to refer to
this value depending on which particular users Edit or Delete link has been
clicked..so I need the value for id. If i add this attribute
programmatically and increment it after adding each user ...i face a problem
when deleting the users ...because if the 10th user has been deleted i wud
need to update the id of all the remaining users ...which does not make
sense...so this has to be done automaticaaly..

Any Advice wud be helpful...

Thanx,

Smita.



----- Original Message -----
From: "Oleg Tkachenko" <oleg@NO!SPAM!PLEASEtkachenko.com>
Newsgroups: microsoft.public.dotnet.xml
Sent: Sunday, January 25, 2004 1:51 PM
Subject: Re: Xml Attribute..id problem??

smita wrote:

What I want is this id attribute to increment automatically. For starters, ID in XML cannot be a number. It must be a name.

So I declared it of type "ID" ..but how do i access the value of this
attribute.

When i add a record it gets added to the xml file but the id attribute does not show..So how do i refer to this attribute.

Well, you forgot to explain which API you are using for getting values
and adding rows.
--
Oleg Tkachenko
XmlInsider
http://blog.tkachenko.com

"Oleg Tkachenko" <oleg@NO!SPAM!PLEASEtkachenko.com> wrote in message
news:eF**************@TK2MSFTNGP09.phx.gbl... smita wrote:

What I want is this id attribute to increment automatically.

For starters, ID in XML cannot be a number. It must be a name.

So I declared it of type "ID" ..but how do i access the value of this
attribute.

When i add a record it gets added to the xml file but the id attribute does not show..So how do i refer to this attribute.

Well, you forgot to explain which API you are using for getting values
and adding rows.
--
Oleg Tkachenko
XmlInsider
http://blog.tkachenko.com

[Oleg Tkachenko]

smita wrote:

The code for adding the rows is as given below

XmlDocument doc = new XmlDocument();

string url=Server.MapPath("UserPass.xml");

doc.Load(url);

XmlNodeList UserList = doc.GetElementsByTagName("username");
Now it's even more confusing :( In XML you have posted there is no
username element. Show us UserPass.xml fragment so we can reproduce the
problem.
Now it does not display the id value in the data grid. I want to refer to
this value depending on which particular users Edit or Delete link has been
clicked..so I need the value for id. If i add this attribute
programmatically and increment it after adding each user ...i face a problem
when deleting the users ...because if the 10th user has been deleted i wud
need to update the id of all the remaining users ...which does not make
sense.

Instead of having explicit id you can calculate it every time as number
of the row in a table. Then it'll work automatically for deleting.
--
Oleg Tkachenko
XmlInsider
http://blog.tkachenko.com

[smita]

The table is like this...

<root>
<table id =1>
<username>abc</username>
<age>25</age>
</table>
<table id = 2>
<username>xyz</username>
<age>45</age>
</table>

"Oleg Tkachenko" <oleg@NO!SPAM!PLEASEtkachenko.com> wrote in message
news:uB**************@TK2MSFTNGP10.phx.gbl...

smita wrote:

The code for adding the rows is as given below

XmlDocument doc = new XmlDocument();

string url=Server.MapPath("UserPass.xml");

doc.Load(url);

XmlNodeList UserList = doc.GetElementsByTagName("username");

Now it's even more confusing :( In XML you have posted there is no
username element. Show us UserPass.xml fragment so we can reproduce the
problem.

Now it does not display the id value in the data grid. I want to refer to this value depending on which particular users Edit or Delete link has been clicked..so I need the value for id. If i add this attribute
programmatically and increment it after adding each user ...i face a problem when deleting the users ...because if the 10th user has been deleted i wud need to update the id of all the remaining users ...which does not make
sense.

Instead of having explicit id you can calculate it every time as number
of the row in a table. Then it'll work automatically for deleting.
--
Oleg Tkachenko
XmlInsider
http://blog.tkachenko.com