public IHierarchicalEnumerable GetChildren()
{
HierarchicalCollection children = new HierarchicalCollection();
foreach (Hierarchical Hierarchical in this.source)
{
if (Hierarchical.ParentID == this.Value)
{
children.Add(Hierarchical);
}
}
return(children);
}
public override IHierarchicalEnumerable Select()
{
HierarchicalCollection collection = new HierarchicalCollection();
Int32 ParentId = (!String.IsNullOrEmpty(_viewPath)) ? Convert.ToInt32(_viewPath) : 0;
foreach (Hierarchical Hierarchical in this._source)
{
if (Hierarchical.ParentID == ParentId)
{
Hierarchical.source = _source;
collection.Add(Hierarchical);
}
}
return(collection);
}
private void CreateCollection(HierarchicalObjectDataSource source)
{
IEnumerable data = source.Select();
if (data != null)
{
foreach (Object dataItem in data)
{
Int32 value = Convert.ToInt32(DataBinder.GetPropertyValue(dataItem, source.DataValueField, null));
Int32 parentID = Convert.ToInt32(DataBinder.GetPropertyValue(dataItem, source.DataParentField, null));
String text = DataBinder.GetPropertyValue(dataItem, source.DataTextField, null);
_source.Add(new Hierarchical(value, parentID, text));
}
}
}
public static HierarchicalCollection GetData()
{
HierarchicalCollection collection = new HierarchicalCollection();
collection.Add(new Hierarchical(1, 0, "Programming Languages"));
collection.Add(new Hierarchical(2, 1, "Microsoft"));
collection.Add(new Hierarchical(3, 2, "C#"));
collection.Add(new Hierarchical(4, 2, "VB.net"));
collection.Add(new Hierarchical(5, 1, "Open Source"));
collection.Add(new Hierarchical(6, 5, "Python"));
collection.Add(new Hierarchical(7, 5, "Ruby"));
collection.Add(new Hierarchical(8, 5, "PHP"));
collection.Add(new Hierarchical(9, 5, "Perl"));
collection.Add(new Hierarchical(10, 5, "Java"));
collection.Add(new Hierarchical(11, 3, "linQ"));
collection.Add(new Hierarchical(12, 8, "5.2"));
collection.Add(new Hierarchical(13, 8, "4.4"));
return(collection);
}