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get single data from xml file

Posted on 2012-04-08
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Last Modified: 2012-04-08
hi there

this is my xml file content :
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <add key="ServerName" value="SERVER=USER-PC\SQLX2008"/>
</configuration>

i want to read the value in c# to a textbox
how can i do it ?
thanks ....
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Question by:Tech_Men
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13 Comments
 
LVL 23

Expert Comment

by:basicinstinct
ID: 37821794
0
 

Author Comment

by:Tech_Men
ID: 37821810
hi thanks for your answer
but i want something more simple
0
 
LVL 11

Expert Comment

by:MajorBigDeal
ID: 37821814
object obj = ConfigurationManager.AppSettings["ServerName"];
 if (obj == null) return;
string serverName = obj.ToString();
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Author Comment

by:Tech_Men
ID: 37821820
hi MajorBigDeal
this is not a app.config file
0
 
LVL 20

Expert Comment

by:BuggyCoder
ID: 37821821
using LINQ to XML, here is how i would do this:-

var xmlData =
                "<?xml version='1.0' encoding='utf-8' ?><configuration><add key='ServerName' value='SERVER=USER-PC\\SQLX2008'/></configuration>";

            var element = XElement.Parse(xmlData).Descendants("add").Attributes("value").First().Value;

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0
 

Author Comment

by:Tech_Men
ID: 37821822
u can change it if u like i just need to be able to read 1 single row
0
 

Author Comment

by:Tech_Men
ID: 37821825
hi BuggyCoder
i need to read data from xml file i dont have the data like in your answer

var xmlData =
                "<?xml version='1.0' ..........
0
 
LVL 20

Expert Comment

by:BuggyCoder
ID: 37821831
use this then:-
var element = XElement.Load("<Path_To_Your_XMLFile>");
var serverValue=element.Descendents("add").Attributes("value").First().Value;

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Namespace to use : System.Xml.Linq;
0
 

Author Comment

by:Tech_Men
ID: 37821832
i change the xml file to :

<SetData>
  <info>
    <ServerName>USER-PC\SQLX2008</ServerName>
  </info>
</SetData>
0
 
LVL 20

Accepted Solution

by:
BuggyCoder earned 500 total points
ID: 37821834
here is the code to use for your modified xml file:-

var element = XElement.Load("<Path_To_Your_XMLFile>");
var value = element.Descendants("ServerName").First().Value;

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0
 
LVL 11

Expert Comment

by:MajorBigDeal
ID: 37821838
XmlDocument doc = new XmlDocument();
doc.Load(filePath);
XmlNodeList nodes = doc.GetElementsByTagName("Add");
foreach (XmlNode n1 in nodes[0])
{
XmlNode xKey = n1.Attributes["key"];
string key = (xKey == null) ? string.Empty : xKey.Value.Trim();
XmlNode xValue = n1.Attributes["value"];
string value = (xValue == null) ? string.Empty : xValue.Value.Trim();

}
0
 

Author Closing Comment

by:Tech_Men
ID: 37821845
its work but i needed to change your code to this :

var element = XElement.Load("Control.xml");
txtIp.Text = element.Value;

thanks ...
0
 
LVL 11

Expert Comment

by:MajorBigDeal
ID: 37821850
I wrote that on the fly, I see that the string "Add" should not be capitalized and the foreach should not have  index zero on the nodes object
0

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