/// <summary>

 /// 设置TreeView选中节点

 /// </summary>

 /// <param name="treeView"></param>

 /// <param name="selectStr">选中节点文本</param>

 private void SelectTreeView(TreeView treeView, string selectStr)

 {

     treeView.Focus();

     for (int i = ; i < treeView.Nodes.Count; i++)

     {

         for (int j = ; j < treeView.Nodes[i].Nodes.Count; j++)

         {

             if (treeView.Nodes[i].Nodes[j].Text == selectStr)

             {

                 treeView1.SelectedNode = treeView.Nodes[i].Nodes[j];//选中

                 //treeView.Nodes[i].Nodes[j].Checked = true;

                 treeView.Nodes[i].Expand();//展开父级

                 return;

             }

         }

     }

 }