เวลาคลิกเลือกข้อมูลที่ dropdownlist ใน dropdown แล้วมัน hide auto

 <div class="container">
                            <div class="row">
                                <div class="col-md-12">

                                    <button type="button" id="aaa" >test</button>


                                    <div class="input-group" id="adv-search">
                                        <input type="text" class="form-control" placeholder="ค้นหาข้อมูล" />
                                        <div class="input-group-btn">
                                            <div class="btn-group" role="group">
                                                <div class="dropdown dropdown-lg">

                                                  
                                                    <button type="button" class="btn btn-default dropdown-toggle" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span></button>
                                                    <div class="dropdown-menu dropdown-menu-right" id="myDropDown">
                                                       
                                                        <div class="form-horizontal" role="form">

                                                            <div class="form-group">

                                                                <asp:Label ID="Label4" runat="server" Text="Domain"></asp:Label>
                                                                <asp:DropDownList ID="ddlDomain" runat="server" class="form-control">
                                                                </asp:DropDownList>
                                                            </div>

                                                            <div class="form-group">

                                                                <asp:Label ID="Label1" runat="server" Text="อาคาร"></asp:Label>
                                                               <asp:DropDownList ID="ddlBuild" runat="server" class="form-control">
                                                                    <asp:ListItem>Family</asp:ListItem>
                                                                    <asp:ListItem>Quality</asp:ListItem>
                                                                    <asp:ListItem></asp:ListItem>
                                                                </asp:DropDownList>
                                                            </div>

                                                            <div class="form-group">

                                                                <asp:Label ID="Label2" runat="server" Text="ประเภท"></asp:Label>
                                                                 <asp:DropDownList ID="DropDownList1" runat="server" class="form-control">
                                                                    <asp:ListItem>Family</asp:ListItem>
                                                                    <asp:ListItem>Quality</asp:ListItem>
                                                                    <asp:ListItem></asp:ListItem>
                                                                </asp:DropDownList>
                                                            </div>
                                                             <div class="form-group">

                                                                <asp:Label ID="Label3" runat="server" Text="คอมพิวเตอร์ Spec"></asp:Label>
                                                                 <asp:DropDownList ID="DropDownList2" runat="server" class="form-control">
                                                                    <asp:ListItem>Family</asp:ListItem>
                                                                    <asp:ListItem>Quality</asp:ListItem>
                                                                    <asp:ListItem></asp:ListItem>
                                                                </asp:DropDownList>
                                                            </div>
                                                        </div>
                                                    </div>
                                                      


                                                </div>
                                                <asp:LinkButton ID="LinkButton3"
                                                    runat="server"
                                                    CssClass="btn btn-warning">
                                   <span class="glyphicon glyphicon-search" aria-hidden="true"></span>
                                                </asp:LinkButton>
                                            </div>
                                        </div>
                                    </div>


                                </div>
                            </div>
                        </div>