1.效果图 2.数据库中表数据结构 3.前台页面 <select id="pid" runat="server" style="width:160px;" > <option value="0" data="|0|">不选父级类</option> </select> 4.后台代码 using System; using System.Data; using S
1,简介 The SwipeRefreshLayout should be used whenever the user can refresh the contents of a view via a vertical swipe gesture. The activity that instantiates this view should add an OnRefreshListener to be notified whenever the swipe to refresh gestur