treeview.txt

一个用C#编写treeview的例子

private void fillmytree()
        {
          
            int i=-1;
			int t=0;
            rD_SQ_DataSet1.Merge(webser.RD_SQ_bowse());
            ds.Merge(rD_SQ_DataSet1);
			this.treeView1.ImageList=imageList2;
			treeView1.Nodes.Clear();
			treeView1.Nodes.Add(new TreeNode("标题说明"));
            DataSet ds6 = webser.sqlquery(string.Format("select * from ZuZhi_Table where s_daim='{0}'", "001"), "TB");
			foreach(DataRow dr in ds6.Tables["TB"].Rows)
			{    

                i++;
                int j = -1;//
                treeView1.Nodes[t].Nodes.Add(new TreeNode("{" + dr["b_daim"].ToString() + "}" + dr["DZZ_mc"].ToString()));//
                string dm = dr["b_daim"].ToString();
                DataSet ds1 = webser.sqlquery(string.Format("select * from ZuZhi_Table where s_daim='{0}'", dm), "TB1");
                foreach (DataRow dr1 in ds1.Tables["TB1"].Rows)
                {
                    j++;
                    int r = -1;
                    treeView1.Nodes[0].Nodes[i].Nodes.Add(new TreeNode(dr1["b_daim"].ToString() + "|" + dr1["DZZ_mc"].ToString().Trim()));//父
                    string dm1 = dr1["b_daim"].ToString();
                    DataSet ds2 = webser.sqlquery(string.Format("select * from ZuZhi_Table where s_daim='{0}'", dm1), "TB2");
                    foreach (DataRow dr2 in ds2.Tables["TB2"].Rows)
                    {
                        r++;
                        int q = -1;
                        treeView1.Nodes[0].Nodes[i].Nodes[j].Nodes.Add(dr2["b_daim"].ToString().Trim() + "|" + dr2["DZZ_mc"].ToString().Trim());//
                        string dm2 = dr2["b_daim"].ToString();
                        DataSet ds3 = webser.sqlquery(string.Format("select * from ZuZhi_Table where s_daim='{0}'", dm2), "TB3");
                        foreach (DataRow dr3 in ds3.Tables["TB3"].Rows)
                        {
                            q++;
                            treeView1.Nodes[0].Nodes[i].Nodes[j].Nodes[r].Nodes.Add(dr3["b_daim"].ToString().Trim() + "|" + dr3["DZZ_mc"].ToString().Trim());//
                            string dm3 = dr3["b_daim"].ToString();
                            DataSet ds4 = webser.sqlquery(string.Format("select * from ZuZhi_Table where s_daim='{0}'", dm3), "TB4");
                            foreach (DataRow dr4 in ds4.Tables["TB4"].Rows)
                            {
                                treeView1.Nodes[0].Nodes[i].Nodes[j].Nodes[r].Nodes[q].Nodes.Add(dr4["b_daim"].ToString().Trim() + "|" + dr4["DZZ_mc"].ToString().Trim());//
                            }

                        }

                    }
                }

            }
            treeView1.Nodes[0].Expand();
        }