ASP.NET XmlDocument - Delete all child nodes and atributes from specific node

XmlDocument RemoveAll() - How to delete all child nodes and atributes from specific node
XmlDocumentRemoveAll.aspx
<%@ Page Language="C#" AutoEventWireup="true" %>
<%@ Import Namespace="System.Xml" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    void Button1_Click(object sender, System.EventArgs  e)
    {
        string xmlFilePath = Request.PhysicalApplicationPath + @"App_Data\ITBookList.xml";
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.Load(xmlFilePath);

        XmlNode bookNode = xmlDoc.DocumentElement.SelectSingleNode("//book[1]");
        bookNode.RemoveAll();
        xmlDoc.Save(xmlFilePath);
        Label1.Text = "All Nodes and Attributes removed <br /> successful from: XPath //book[1]";
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>XmlDocument RemoveAll() - How to delete all child nodes and atributes from specific node</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:Maroon; font-style:italic;">XmlDocument Example: How to use RemoveAll() method</h2>
        <hr width="500" align="left" color="SkyBlue" />
        <br /><br />
        <asp:Label 
            ID="Label1" 
            runat="server"
            Font-Bold="true"
            ForeColor="ForestGreen"
            Text=""
            Font-Names="Comic Sans MS"
            Font-Size="Large"
            >
        </asp:Label>
        <br /><br />
        <asp:Button 
            ID="Button1"
            runat="server"
            OnClick="Button1_Click"
            Text="Delete All Child Nodes and Attributes from Specific Node"
            Height="40"
            Font-Bold="true"
            ForeColor="SaddleBrown"
            />
    </div>
    </form>
</body>
</html>
ITBookList.xml
ITBookList.xml source code here.

   










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