关于TREEVIEW 绑定数据设置节点，在线等，急！谢谢！
表
BigClassID（标识列）
PBigClassID（判断是否根接点要根据这列，为0就是根点）
BigClassName（TREEVIEW要绑定的字段）

代码如下：
  protected void Page_Load(object sender, EventArgs e)
  {
  if (!IsPostBack)
  { 
  PopulateTreeView();
  }
  }

  private void PopulateTreeView()
  {
  DataTable treeViewData = GetTreeViewData();
  AddTopTreeViewNodes(treeViewData);
  }

  private DataTable GetTreeViewData()
  {
   
  string cmd = "select BigClassID,PBigClassID,BigClassName from BigClassStru";
  string cn = "server=192.168.1.179;database=sky3;uid=sa;pwd=hp1502...";
  SqlDataAdapter dad = new SqlDataAdapter(cmd,cn);
  DataTable dtblBigClassStru = new DataTable();
  dad.Fill(dtblBigClassStru);
  return dtblBigClassStru;
  }

  private void AddTopTreeViewNodes(DataTable treeViewData)
  {
  DataView view = new DataView(treeViewData);
  view.RowFilter = "PBigClassID is 0";
  foreach (DataView row in view)
  {
  TreeNode newNode = new TreeNode(row["BigClassName"].ToString(),row["PBigClassID"].ToString());
  TreeView1.Nodes.Add(newNode);
  AddChildTreeViewNodes(treeViewData,newNode);
  }
  }

  private void AddChildTreeViewNodes(DataTable treeViewData,TreeNode parentTreeViewNode)
  {
  DataView view = new DataView(treeViewData);
  view.RowFilter = "PBigClassID=" + parentTreeViewNode.Value;
  foreach (DataRowView row in view)
  {
  TreeNode newNode = new TreeNode(row["BigClassName"].ToString(),row["BigClassID"].ToString());
  parentTreeViewNode.ChildNodes.Add(newNode);
  AddChildTreeViewNodes(treeViewData, newNode);
  }
  }

------解决方案--------------------
TreeNode newNode = new TreeNode(row[0].ToString(),row[1].ToString());