Read Xml data and display Jquary

<?xml version="1.0" encoding="utf-8" ?>

        <booklist>

            <book>

                <title>Naresh</title>

                <author>Naresh1</author>

                <genre>Classic</genre>

            </book>

            <book>

                <title>abc</title>

                <author>def</author>

                <genre>Classic</genre>

            </book>

            <book>

                <title>qqq</title>

                <author>asd</author>

                <genre>www</genre>

            </book>

          

        </booklist>

        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

        <script>

            $(document).ready(function () {

                $("#contentArea").append("<ul></ul>");

                $.ajax({

                    type: "GET",

                    url: "data.xml",

                    dataType: "xml",

                    success: function (xml) {

                        $(xml).find('Book').each(function () {

                            var sTitle = $(this).find('Title').text();

                            var sAuthor = $(this).find('Author').text();

                            var sGenre = $(this).find('Genre').text();

                            $("<li></li>").html(sTitle + ", " + sAuthor + "," + sGenre).appendTo("#contentArea ul");

                        });

                    },

                    error: function () {

                        alert("An unexpected error has occurred during processing.");

                    }

                });

            });

        </script>

     

        <div id="contentArea">

        </div>

Validate Listbox Ckeckbox Abd Radio Buttons

<asp:ListBox ID="ListBox1" runat="server" Rows="6" SelectionMode="Multiple">

            <asp:listitem text="India" value="1"></asp:listitem>

            <asp:listitem text="US" value="2"></asp:listitem>

            <asp:listitem text="UK" value="3"></asp:listitem>

            <asp:listitem text="China" value="4"></asp:listitem>

            <asp:listitem text="Russia" value="5"></asp:listitem>

            <asp:listitem text="New Zealand" value="6"></asp:listitem>

        </asp:ListBox>

        <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="Required two country" ClientValidationFunction="Validate_ListBox"></asp:CustomValidator>

        <asp:Button ID="btnSubmit" runat="server" Text="Submit" /><asp:ListBox ID="ListBox1" runat="server" Rows="6" SelectionMode="Multiple">

            <asp:listitem text="India" value="1"></asp:listitem>

            <asp:listitem text="US" value="2"></asp:listitem>

            <asp:listitem text="UK" value="3"></asp:listitem>

            <asp:listitem text="China" value="4"></asp:listitem>

            <asp:listitem text="Russia" value="5"></asp:listitem>

            <asp:listitem text="New Zealand" value="6"></asp:listitem>

        </asp:ListBox>

        <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="Required two country" ClientValidationFunction="Validate_ListBox"></asp:CustomValidator>

        <asp:Button ID="btnSubmit" runat="server" Text="Submit" />

        <script>

            function Validate_ListBox(sender, args) {

                var Listoptions = document.getElementById("<%=ListBox1.ClientID%>").options;

                var Selectedcount = 0;

                for (var i = 0; i < Listoptions.length; i++) {

                    if (Listoptions[i].selected == true) {

                        Selectedcount++;

                    }

                }

                if (Selectedcount <= 2) {

                    args.IsValid = false;

                } else {

                    args.IsValid = true;

                }

            }

        </script>

        /////////////////////////////////////////////

        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

        <script>

            function CheckBoxList1_Validation(sender, args) {

                args.IsValid = false;

                var cnt = $("#CheckBoxList1 input:checked").length;

                args.IsValid = (cnt >= 2);

            }

        </script>

        Select at least 2 countries:

        <asp:CheckBoxList ID="CheckBoxList1" runat="server">

            <asp:listitem text="India" value="1"></asp:listitem>

            <asp:listitem text="US" value="2"></asp:listitem>

            <asp:listitem text="UK" value="3"></asp:listitem>

            <asp:listitem text="China" value="4"></asp:listitem>

            <asp:listitem text="Russia" value="5"></asp:listitem>

            <asp:listitem text="New Zealand" value="6"></asp:listitem>

        </asp:CheckBoxList>

        <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="Please select at least 2 countries" ClientValidationFunction="CheckBoxList1_Validation" ForeColor="Red"></asp:CustomValidator>

        <asp:Button ID="btnSubmit" runat="server" Text="Submit" />

        ///////////////////////////////////////////////////////

        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

        <script>

            function RadioButtonList1_Validate(sender, args) {

                args.IsValid = ($("#RadioButtonList1 :radio:checked").length > 0);

            }

        </script>

        <asp:RadioButtonList ID="RadioButtonList1" runat="server">

           <asp:listitem text="India" value="1"></asp:listitem>

            <asp:listitem text="US" value="2"></asp:listitem>

            <asp:listitem text="UK" value="3"></asp:listitem>

            <asp:listitem text="China" value="4"></asp:listitem>

            <asp:listitem text="Russia" value="5"></asp:listitem>

            <asp:listitem text="New Zealand" value="6"></asp:listitem>

        </asp:RadioButtonList>

        <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="Please select a country" Display="Dynamic" ClientValidationFunction="RadioButtonList1_Validate" ForeColor="Red"></asp:CustomValidator>

        <br />

        <asp:Button ID="btnSubmit" runat="server" Text="Submit" />