<div class="col-sm-4">

                                                                    <div class="form-group">

                                                                        <label>折扣前价(¥)</label>

                                                                        <dx:ASPxSpinEdit ID="edTab3_agioagoprice" ClientInstanceName="edTab3_agioagoprice" runat="server" DisplayFormatString="￥{0:0.00}" Text='<%# Eval("AGIOAGOPRICE")%>' Width="100%" MinValue="0" MaxValue="999999999" LargeIncrement="1">

                                                                            <SpinButtons ShowIncrementButtons="False" ShowLargeIncrementButtons="True" />

                                                                            <ClientSideEvents ValueChanged="AgioPriceChanged" />

                                                                        </dx:ASPxSpinEdit>

                                                                    </div>

                                                                </div>

                                                                <div class="col-sm-4">

                                                                    <div class="form-group">

                                                                        <label>普通折扣(%)</label>

                                                                        <dx:ASPxSpinEdit ID="edTab3_agio" ClientInstanceName="edTab3_agio" runat="server" DisplayFormatString="{0:0}%" Text='<%# Eval("AGIO")%>' Width="100%" MinValue="0" MaxValue="100" LargeIncrement="1">

                                                                            <SpinButtons ShowIncrementButtons="False" ShowLargeIncrementButtons="True" />

                                                                            <ClientSideEvents ValueChanged="AgioChanged" />

                                                                        </dx:ASPxSpinEdit>

                                                                    </div>

                                                                </div>

                                                                <div class="col-sm-4">

                                                                    <div class="form-group">

                                                                        <label>折扣普通价(¥)</label>

                                                                        <dx:ASPxSpinEdit ID="edTab3_aprice" ClientInstanceName="edTab3_aprice" runat="server" DisplayFormatString="C" Text='<%# Eval("APRICE")%>' Width="100%" MinValue="0" MaxValue="999999999" LargeIncrement="1">

                                                                            <SpinButtons ShowIncrementButtons="False" ShowLargeIncrementButtons="True" />

                                                                        </dx:ASPxSpinEdit>

                                                                    </div>

                                                                </div>

 //折扣前价格值改变时

        function AgioPriceChanged() {

            var agioagoprice = edTab3_agioagoprice.GetValue();//折扣前 价格  edTab3_agioagoprice

            var agio = edTab3_agio.GetValue();//折扣 edTab3_agio

            var aprice = agioagoprice * (agio / 100);//折扣普通价  edTab3_aprice

            edTab3_aprice.SetValue(aprice);

        };

        //折扣值改变时

        function AgioChanged() {

            var agioagoprice = edTab3_agioagoprice.GetValue();//折扣前 价格

            var agio = edTab3_agio.GetValue();//折扣

            var aprice = agioagoprice * (agio / 100);

            edTab3_aprice.SetValue(aprice);//折扣普通价

        };