我被困在我的外观方法从未被调用的问题上,所以我返回的项目总是为零。我不完全知道为什么会发生这种情况,因为它至少应该在初始页面加载时加载项目。我也得到了几乎相同ViewModel
的工作正常。
这是我要加载的视图FavouriteCommodities
模型GridViewDataSet
//initialized via constructor
private readonly FavouriteCommodityFacade _favouriteCommodityFacade;
public GridViewDataSet<FavouriteCommodityDTO> GridViewDataSetItems { get; set; }
public int PageSize { get; set; } = 10;
private ISortingOptions DefaultSortOptions => new SortingOptions();
public override Task Init()
{
GridViewDataSetItems = new GridViewDataSet<FavouriteCommodityDTO>()
{
PagingOptions = { PageSize = PageSize },
SortingOptions = DefaultSortOptions
};
return base.Init();
}
public override Task PreRender()
{
if (!Context.IsPostBack || GridViewDataSetItems.IsRefreshRequired)
{
LoadData();
}
return base.PreRender();
}
public void LoadData()
{
FavouriteCommodityGroups = _userAccountFavouriteProductsFacade.GetAllFavouriteProductsToUser();
//this never fires my facade method below
GridViewDataSetItems.OnLoadingData = option => _favouriteCommodityFacade.GetAssignedFavouriteProductsToGroup(option);
}
这是我在我的门面上的方法,它从未被解雇过。
public GridViewDataSetLoadedData<FavouriteCommodityDTO>
GetAssignedFavouriteProductsToGroup (IGridViewDataSetLoadOptions gridViewDataSetLoadOption)
{
using (unitOfWorkProvider.Create())
{
var query = _favouriteCommodityByChosenGroupQuery();
FavouriteProductByGroupFilter.FavouriteGroupId = 16;
query.Filter = FavouriteProductByGroupFilter;
var x = GetGridViewDataSetLoadedData(gridViewDataSetLoadOption, query);
return x.Result;
}
}
我还想知道是否有可能在用户点击事件中加载这些项目。当我调查时,namespace DotVVM.Framework.Controls
我没有发现任何有用的东西。