any one explain me how to read xmlfile in asp.net

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ASP.NET

any one explain me how to read xmlfile in asp.net...........
I try to lear in google but am not getting
any one explain step by step

this is my file below given....

path of this file is...
C:\Documents and Settings\azhar\Desktop\appsettings.xml

<?xml version="1.0" standalone="yes" ?>
- <DocumentElement>
- <Location>
  <id>NMBM Test</id>
  <DataBaseName>ICMAStest</DataBaseName>
  <WebServerName>ICMAS-TEST</WebServerName>
  <DataBaseServerName>ICMAS-TEST\SQLEXPRESS</DataBaseServerName>
  <ClientSettingsProvider.ServiceUri />
  <RptUrl>http://icmas-test/ReportServer_SQLEXPRESS</RptUrl>
  <ReportPath>/ICMASReports/</ReportPath>
  <ReportServerUserName>NALIN</ReportServerUserName>
  <ReportServerPassword>temp123</ReportServerPassword>
  <SMTPServerId>10.100.0.80</SMTPServerId>
  </Location>
- <Location>
  <id>NMBM Production</id>
  <DataBaseName>ICMAStest</DataBaseName>
  <WebServerName>ICMAS-TEST</WebServerName>
  <DataBaseServerName>ICMAS-TEST\SQLEXPRESS</DataBaseServerName>
  <ClientSettingsProvider.ServiceUri />
  <RptUrl>http://icmas-test/ReportServer_SQLEXPRESS</RptUrl>
  <ReportPath>/ICMASReports/</ReportPath>
  <ReportServerUserName>NALIN</ReportServerUserName>
  <ReportServerPassword>temp123</ReportServerPassword>
  <SMTPServerId>10.100.0.80</SMTPServerId>
  </Location>
- <Location>
  <id>ICMASDev Satish</id>
  <DataBaseName>ICMAStest</DataBaseName>
  <WebServerName>192.168.0.178</WebServerName>
  <DataBaseServerName>epmpune\ciodevdb</DataBaseServerName>
  <ClientSettingsProvider.ServiceUri />
  <RptUrl>http://icmas-test/ReportServer_SQLEXPRESS</RptUrl>
  <ReportPath>/ICMASReports/</ReportPath>
  <ReportServerUserName>NALIN</ReportServerUserName>
  <ReportServerPassword>temp123</ReportServerPassword>
  <SMTPServerId>10.100.0.80</SMTPServerId>
  </Location>
- <Location>
  <id>ICMAS Test icmastest-userpc2</id>
  <DataBaseName>ICMASQA</DataBaseName>
  <WebServerName>userpc2</WebServerName>
  <DataBaseServerName>epmpune\ciodevdb</DataBaseServerName>
  <ClientSettingsProvider.ServiceUri />
  <RptUrl>http://userpc2/ReportServer_SQLEXPRESS</RptUrl>
  <ReportPath>/userpc2/</ReportPath>
  <ReportServerUserName>NALIN</ReportServerUserName>
  <ReportServerPassword>temp123</ReportServerPassword>
  <SMTPServerId>mail.24by7cio.com</SMTPServerId>
  </Location>
- <Location>
  <id>ICMASQA</id>
  <DataBaseName>ICMASQA</DataBaseName>
  <WebServerName>192.168.0.178</WebServerName>
  <DataBaseServerName>epmpune\ciodevdb</DataBaseServerName>
  <ClientSettingsProvider.ServiceUri />
  <RptUrl>http://userpc2/ReportServer_SQLEXPRESS</RptUrl>
  <ReportPath>/userpc2/</ReportPath>
  <ReportServerUserName>NALIN</ReportServerUserName>
  <ReportServerPassword>temp123</ReportServerPassword>
  <SMTPServerId>mail.24by7cio.com</SMTPServerId>
  </Location>
  </DocumentElement>