protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (firstRender)
{
await Load();
if (CheckedKeys.Count() > 0)
{
tree.ChildNodes.ForEach(node => EnumChildren(node));
}
StateHasChanged();
tree.ExpandAll();
}
}
public void EnumChildren(TreeNode <TModel> treeNode)
{
if (treeNode.ChildNodes.Count > 0)
{
treeNode.ChildNodes.ForEach(child => EnumChildren(child));
}
else
{
var dataItemId = (int)treeNode.DataItem.GetType().GetProperty("Id").GetValue(treeNode.DataItem);
if (CheckedKeys.Contains(dataItemId))
{
Console.WriteLine("find checked key:" + dataItemId);
treeNode.SetChecked(true);
treeNode.Checked = true;
tree.CheckedNodes.Add(treeNode);
}
else
{
}
}
}
