public void BindTree()
{
ProductManager manager = new ProductManager(this);
DataTable table = manager.GetProductPartsByCompany((int)Company.MatrixId).Sort("ParentId").ToDataTable();
RadTreeView1.DataSource = table;
RadTreeView1.DataBind();
lblDelete.Visible = RadTreeView1.Nodes.Count > 0;
btnDelete.Visible = RadTreeView1.Nodes.Count > 0;
}