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我有樹形結構的複選框,想要訪問樹視圖中的子節點的子節點。如何在樹視圖中訪問子節點的孩子節點WPF
這是我如何做一個treeview,我想訪問level4項檢查和取消選中值,以便我可以插入數據庫。
private void FillingTreeDynamic()
{
Nodes.Clear();
var data = dbobj.GetDataFromDataBase("", "Select * from Master");
foreach (DataRowView dr in data)
{
var level_1_items = new Node() { Text = dr["MasterName"].ToString(),IsChecked=false};
var details = dbobj.GetDataFromDataBase("", "Select * from Details where MasterID='"+Convert.ToInt32(dr["ID"].ToString())+"'");
foreach(DataRowView row in details)
{
var level_2_items = new Node() { Text = row["SubName"].ToString(),IsChecked=false};
level_2_items.Parent.Add(level_1_items);
level_1_items.Children.Add(level_2_items);
var level_3_items = new Node() { Text ="View",IsChecked=false };
level_3_items.Parent.Add(level_2_items);
level_2_items.Children.Add(level_3_items);
var dataView = dbobj.GetDataFromDataBase("","select * from ViewDetails");
foreach (DataRowView rowview in dataView)
{
var level_4_items = new Node() {Text=rowview["RightsName"].ToString(), IsChecked = false };
level_4_items.Parent.Add(level_3_items);
level_3_items.Children.Add(level_4_items);
}
}
Nodes.Add(level_1_items);
}
treeView.ItemsSource = Nodes;
}
我能夠訪問子節點及其值,如下所示。
public ObservableCollection<Node> Nodes { get; private set; }
foreach (var parent in Nodes)
{
if (parent.IsChecked == true)
{
foreach (var item in parent.Children)
{
if (item.IsChecked == true)
{
}
else
{
}
}
else
{
}
}
}
我該如何訪問父節點子節點的子節點。任何想法如何訪問這些子節點。 在此先感謝。
只是爲您的信息一個很好的文章在這裏http://www.codeproject.com/Articles/124644/Basic-Understanding-of-Tree-View-in-WPF –