<ScrollViewer x:Name="scrollRoot" VerticalScrollBarVisibility="Hidden" ViewChanged="scrollRoot_ViewChanged" Margin="10,0">       <GridView>        ……    </GridView></ScrollViewer/>

using System.Collections.Generic;
using System.Collections.ObjectModel;namespace Damai.Windows10.App
{/// <summary>/// 搜索页面ViewModel/// </summary>public class SearchViewModel{private List<SearchResultModel> _l;/// <summary>/// 项目列表/// </summary>public List<SearchResultModel> l{get{return _l;}set{_l = value;if (_l == null) return;if (list == null) list = new ObservableCollection<SearchResultModel>();foreach (var item in _l){list.Add(item);}}}/// <summary>/// 用于数据绑定列表/// </summary>public ObservableCollection<SearchResultModel> list { get; set; }}
}

        // 加载数据private async Task<bool> LoadData(){try{　　　　　　　　　　// 你自己的业务逻辑// 获取数据并展示            _searchViewModel = new SearchViewModel();_searchViewModel = await HttpConnectionTool.GetDataEntity<SearchViewModel>(TempDataInfo.MakeApiURL(url));if (_searchViewModel == null || _searchViewModel.l == null || _searchViewModel?.l?.Count <= 0){// 异常数据处理}                // 绑定数据(一定绑定是那个ObservableCollection属性的列表）gridViewProject.ItemsSource = _searchViewModel.list;// 加载完成后，触发事件                return true;}catch (Exception ex){               return false;}}

// 滚动至底部动态加载数据private async void scrollRoot_ViewChanged(object sender, ScrollViewerViewChangedEventArgs e){if (scrollRoot.VerticalOffset == _originHeight) return;_originHeight = scrollRoot.VerticalOffset;if (_isLoding) return;if (scrollRoot.VerticalOffset <= scrollRoot.ScrollableHeight - 500) return;if (_currentPage >= _countPage + 1) return;_isLoding = true;await Task.Factory.StartNew(async () =>{//调用UI线程添加数据await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>{// 拼接业务查询URL// 查询新数据　　　　　　　　　　　　SearchViewModel tempViewModel = await HttpConnectionTool.GetDataEntity<SearchViewModel>(TempDataInfo.MakeApiURL(url));if (tempViewModel != null && tempViewModel.l != null) _searchViewModel.l = tempViewModel.l;_isLoding = false;});});}