TreeList losing indicators

1 Answer 96 Views

TreeList

Ed asked on 10 Jan 2022, 10:09 AM

tl1.png

tl2.png

Hi,

I have defined a treelist as shown below. I followed the example in the demo. The only problem is that when I expand a row, all other rows that have an expand arrow next to them lose the arrow. The only way I can get them back is to refresh the page. I've attached a couple of screen shots.

What am I missing?

Thanks ... Ed

    protected async Task OnExpand(TreeListExpandEventArgs args)
        {
            var item = args.Item as ColorRMLotModel;

            if (item.Lot.HasChildren && !tvData.Any(x => x.Lot.ParentLotId == item.Lot.ColorRMLotId))
            {
                var items = GetKids(item.Lot.ColorRMLotId); ;
                tvData.AddRange(items);
            }
        }

  SelectionMode="@TreeListSelectionMode.Single" 
                        @ref="tlRef"
                         IdField="ColorRMLotId"
                         OnStateInit="((TreeListStateEventArgs<ColorRMLotModel> args) => OnStateInitHandler(args))"
                 
                         ColumnVirtualization="true"
                         ParentIdField="ParentLotId"
                         HasChildrenField="HasChildren"
                         Pageable="false"
                         
                         Reorderable="true"
                         Sortable="true"
                         FilterMode="@TreeListFilterMode.FilterMenu"
                         OnEdit="@((TreeListCommandEventArgs args) => OnEdit(args))"
                         OnExpand="@OnExpand"
                         Width="1250px"
                         Height ="650px"
                         Resizable="true">
            <TreeListToolBar>

TreeList losing indicators

1 Answer, 1 is accepted