Ext下拉框级联关系

来源：互联网发布：串口数据监控软件编辑：程序博客网时间：2024/05/16 16:10

前台控件

 <ext:ComboBox ID="cmbFloor" runat="server" FieldLabel="<%$ Resources:BaseInfo,Floor %>"      EmptyText="<%$ Resources:BaseInfo,PleaseChoose %>" DisplayField="FloorName"             ValueField="FloorID">           <Store>                 <ext:Store runat="server" ID="stFloor">                    <Reader>                       <ext:JsonReader>                              <Fields>                                   <ext:RecordField Name="FloorName" />                                   <ext:RecordField Name="FloorID" />                               </Fields>                        </ext:JsonReader>                    </Reader>                </ext:Store>         </Store> </ext:ComboBox>

后台事件

 public void BudingChange(object sender, EventArgs e)        {            IList<Floor> floorList = countwarService.GetFloorByBudingID(cmbBuding.SelectedItem.Value);//获取楼层信息            stFloor.DataSource = floorList;            stFloor.DataBind();}