Create DocumentFragment : Xml Node « XML « ASP.Net






Create DocumentFragment

<%--
Code Revised from
       
Professional ASP.NET 2.0 XML (Programmer to Programmer) (Paperback)
by Thiru Thangarathinam 

# Publisher: Wrox (January 18, 2006)
# Language: English
# ISBN: 0764596772
--%>


<%@ Page Language="C#" %>
<%@ Import Namespace="System.Xml" %>

<script runat="server">   
    protected void btnSave_Click(object sender, EventArgs e)
    {
        string xmlPath = MapPath("Books2.xml");
        XmlDocument doc = new XmlDocument();
        if (System.IO.File.Exists(xmlPath))
        {
            doc.Load(xmlPath);
            XmlNode bookNode = CreateBookNode(doc);
            //Get reference to the book node and append the book node to it
            XmlNode bookStoreNode = doc.SelectSingleNode("bookstore");
            bookStoreNode.AppendChild(bookNode);
        }
        else
        {            
            XmlNode declarationNode = doc.CreateXmlDeclaration("1.0", "", "");
            doc.AppendChild(declarationNode);
            XmlNode comment = doc.CreateComment("Comments Here");
            doc.AppendChild(comment);            
            XmlNode bookstoreNode = doc.CreateElement("bookstore");
            XmlNode bookNode = CreateBookNode(doc);                        
            bookstoreNode.AppendChild(bookNode);
            doc.AppendChild(bookstoreNode);
        }
        lblResult.Text = "XML Document has been successfully created";
        doc.Save(xmlPath);
    }

    XmlNode CreateBookNode(XmlDocument doc)
    {
        XmlDocumentFragment docFragment = doc.CreateDocumentFragment();
        docFragment.InnerXml = "<book genre='" + txtGenre.Text + "'>" + 
                             "<title>" + txtTitle.Text +" </title>" +
                               "<author><first-name>" + txtFirstName.Text + "</first-name>" +
                               "<last-name>" + txtLastName.Text + "</last-name></author>" +
                               "<price>" + txtPrice.Text + "</price></book>";
        return docFragment;
    }
    
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Creating an XmlDocumentFragment</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>        
        <table>
            <tr>
                <td colspan="2" style="width: 174px; height: 40px">
                    <b>Book Details:</b>
                </td>                               
            </tr>
            <tr>
                <td style="width: 101px; height: 44px">
                    Genre:
                </td>
                <td style="width: 204px; height: 44px">
                    <asp:TextBox ID="txtGenre" runat="server" Width="201px"></asp:TextBox>
                </td>
            </tr>
             <tr>
                <td style="width: 101px; height: 44px">
                    Title:
                </td>
                <td style="width: 204px; height: 44px">
                    <asp:TextBox ID="txtTitle" runat="server" Width="201px"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td style="width: 101px; height: 41px">
                    First Name:
                </td>
                <td style="width: 204px; height: 41px">
                    <asp:TextBox ID="txtFirstName" runat="server" Width="201px"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td style="width: 101px; height: 41px">
                    Last Name:
                </td>
                <td style="width: 204px; height: 41px">
                    <asp:TextBox ID="txtLastName" runat="server" Width="201px"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td style="width: 101px; height: 41px">
                    Price:
                </td>
                <td style="width: 204px; height: 41px">
                    <asp:TextBox ID="txtPrice" runat="server" Width="201px"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td colspan="2" style="width: 101px; height: 41px">
                    <asp:Button Text="Save" runat="server" ID="btnSave" Width="95px" OnClick="btnSave_Click"/>
                </td>                
            </tr>
            <tr>
                <td colspan="2" style="width: 101px; height: 41px">
                    <asp:Label runat="server" ID="lblResult" Width="295px"/>
                </td>                
            </tr>
        </table>
    </div>
    </form>
</body>
</html>

           
       








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