Move Listbox items to another Listbox using jquery

Move Listbox items to another Listbox using jquery

<script type="text/javascript" src="Js/jquery-1.9.1.js"></script>

    <script type="text/javascript">

        $(document).ready(function () {

            $('#<%=btnAdd.ClientID %>').click(function () {

                var selectedOptions = $('#<%=lstSource.ClientID %> option:selected');

                  if (selectedOptions.length == 0) {

                      alert("Please select option to move");

                      return false;

                  }

                  $('#<%=lstTO.ClientID %>').append($(selectedOptions).clone());

                $(selectedOptions).remove();

                return false;

              });

            $('#<%=btnRemove.ClientID %>').click(function () {

                var selectedOptions = $('#<%=lstTO.ClientID %> option:selected');

                if (selectedOptions.length == 0) {

                    alert("Please select option to move");

                    return false;

                }

                $('#<%=lstSource.ClientID %>').append($(selectedOptions).clone());

                $(selectedOptions).remove();

                return false;

            });

        });

    </script>

Required field validator for CheckBoxList

Required field validator for CheckBoxList

<asp:CheckBoxList ID="chkDepartments" runat="server" RepeatDirection="Horizontal"></asp:CheckBoxList>

                <asp:CustomValidator runat="server" ID="chkT"

                    ClientValidationFunction="ValidateDepartments"

                    ErrorMessage="Please select atleast one Department" ValidationGroup="k" ForeColor="Red"></asp:CustomValidator>

<script type="text/javascript">

        function ValidateDepartments(source, args) {

            var chkListModules = document.getElementById('<%= chkDepartments.ClientID %>');

            var chkListinputs = chkListModules.getElementsByTagName("input");

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

                if (chkListinputs[i].checked) {

                    args.IsValid = true;

                    return;

                }

            }

            args.IsValid = false;

        }

    </script>