title: How to remove particular tag from XML file using Powershell?
body: <p>From below xml snippet I want to remove only "ConnectionString" tag from 
  <code>&lt;appSettings&gt;</code> parent tag:     </p>
  
  <pre><code>     &lt;configuration&gt;  
          &lt;appSettings&gt;
              &lt;add key="ConnectionString" value=" Data Source=192.168.1.19;Network Library=DBMSSOCN;Initial Catalog=Demo;Persist Security Info=True; User ID=sa;Password=powershell;Application Name=web;Connect Timeout=200; pooling='true'; Max Pool Size=200;"/&gt;
              &lt;add key="ConnectionString1" value=" Data Source=192.168.1.19;Network Library=DBMSSOCN;Initial Catalog=Demo;Persist Security Info=True; User ID=sa;Password=powershell;Application Name=web;Connect Timeout=200; pooling='true'; Max Pool Size=200;"/&gt;
              &lt;add key="ConnectionString2" value=" Data Source=192.168.1.19;Network Library=DBMSSOCN;Initial Catalog=Demo;Persist Security Info=True; User ID=sa;Password=powershell;Application Name=web;Connect Timeout=200; pooling='true'; Max Pool Size=200;"/&gt;
            &lt;/appSettings&gt;
      &lt;/configuration&gt;
  </code></pre>
  
  <p>Please let me know how to do this using powershell?</p>