C# TreeView無窮目次樹完成辦法

C# TreeView無窮目次樹完成辦法。本站提示廣大學習愛好者：（C# TreeView無窮目次樹完成辦法）文章只能為提供參考，不一定能成為您想要的結果。以下是C# TreeView無窮目次樹完成辦法正文

本文實例講述了C# TreeView無窮目次樹完成辦法。分享給年夜家供年夜家參考，詳細以下：

#region 綁定客戶樹
protected void bindTreeView()
{
  TreeView1.Nodes.Clear();
  string userid = Session["UserID"].ToString();
  string sqlwr = new SY_ADMINUSER().GetUserIDListByLoginUser(userid, "CUSTOMERSERVICE", false);
  DataTable dt = Maticsoft.DBUtility.DbHelperOra.Query("Select PARENTID,CUSTOMERID,CUSTOMERSHORT,CUSTOMERSERVICE from CU_CUSTOMER where ISDELETE='0' " + sqlwr + " order by CUSTOMERSHORT ").Tables[0];
  //界說暫時樹節點
  TreeNode tmpNd;
  //特別處置
  foreach (DataRow dr in dt.Rows)
  {
    DataRow[] drs = dt.Select("CUSTOMERID='" + dr["PARENTID"] + "'");
    if (drs.Length == 0) //無尚級節點
    {
      dr["PARENTID"] = "0";
    }
  }
  dt.AcceptChanges();
  //從DataTable中獲得一切父節點為null的DataRow構成的數組
  DataRow[] rows = dt.Select("PARENTID='0'");
  //遍歷根節點數組
  foreach (DataRow row in rows)
  {
    tmpNd = new TreeNode();
    //給根節點賦值
    tmpNd.Value = row["CUSTOMERID"].ToString();
    tmpNd.Text = row["CUSTOMERSHORT"].ToString();
    tmpNd.Expanded = true;
    //將節點參加到樹中
    TreeView1.Nodes.Add(tmpNd);
    AddTree(dt, TreeView1, tmpNd, row["CUSTOMERID"].ToString());
  }
}
public void AddTree(DataTable dt, TreeView tv, TreeNode pNode, string CUSTOMERID)
{
  DataRow[] rows = dt.Select("PARENTID='" + CUSTOMERID + "'");
  TreeNode tmpNd;
  foreach (DataRow row in rows)
  {
    tmpNd = new TreeNode();
    //給根節點賦值
    tmpNd.Value = row["CUSTOMERID"].ToString();
    tmpNd.Text = row["CUSTOMERSHORT"].ToString();
    tmpNd.Expanded = true;
    pNode.ChildNodes.Add(tmpNd);
    //將節點參加到樹中
    //TreeView1.Nodes.Add(pNode);
    AddTree(dt, TreeView1, tmpNd, row["CUSTOMERID"].ToString());
  }
}
#endregion

願望本文所述對年夜家C#法式設計有所贊助。