C#ÀïµÄtreeview¿Ø¼þÈçºÎÄÜ°ó¶¨Êý¾Ý¿âÀïµÄÊý¾Ý

Ó¦ÓóÌÐò£¬´°ÌåÀïÍÏ·ÅÒ»¸öTreeView¿Ø¼þ£¬Ïë°ÑÊý¾Ý¿âÀïµÄÊý¾ÝÔÚÕâ¸ö¿Ø¼þÀïÏÔʾ³öÀ´
  TREEVIEW¿Ø¼þÊÇWinfrom´°ÌåÀïµÄ ²»ÊÇASP£®NETÀïµÄTREEVIEW
´úÂëÈçÏ£º
CREATE TABLE CateTable (
      [ID] [int] IDENTITY (1, 1) NOT NULL ,
       [CateName] [nvarchar] (50) COLLATE Chinese_PRC_CI_AS NOT NULL ,
       [RootID] [int] NOT NULL ,
       [ParentID] [int] NOT NULL
)
GO

´æ´¢¹ý³Ì£º
CREATE PROCEDURE CateTable_GetList AS
BEGIN
       Select
              CateID,
              CateName,
              RootID,
              ParentID
       from
              CateTable
       Order By
              CateID,RootID,ParentID
END

´úÂ룺
        private void MainForm_Load(object sender, EventArgs e)
        {
            //´ÓÊý¾Ý¿âÖжÁÈ¡Êý¾Ý
            SqlConnection con = new SqlConnection(ConnString.ConStr);
            SqlCommand cmd = new SqlCommand("CateTable_GetList", con);
            cmd.CommandType = CommandType.StoredProcedure;
            SqlDataAdapter sda = new SqlDataAdapter(cmd);