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  • Winfrom TreeView 无限分级

     public void AddTreeView(string ParentID, TreeNode pNode, DataSet set)
            {
                string strName = "N_Name";                  // 数据库名字字段
                string strID = "U_ID";                           // 数据库ID字段
                string strParentID = "N_PaterId";           // 数据库父级ID字段
                DataTable dt = set.Tables[0];
                DataView dvTree = new DataView(dt);   //添加数据源
                dvTree.RowFilter = "N_PaterId = '" + ParentID + "'";  //过滤节点条件
                foreach (DataRowView Row in dvTree)
                {
                    TreeNode Node = new TreeNode();
                    if (pNode == null)
                    {
                        Node.Text = Row[strName].ToString();
                        Node.Name = Row[strName].ToString();
                        Node.Tag = Row[strID].ToString();
                        Node.ImageIndex = 1;
                        this.treeView1.Nodes.Add(Node);
                        AddTree(Row[strID].ToString(), Node, set); //再次递归
                    }
                    else
                    {
                        Node.Text = Row[strName].ToString();
                        Node.Name = Row[strName].ToString();
                        Node.Tag = Row[strID].ToString();
                        Node.ImageIndex = 1;
                        pNode.Nodes.Add(Node);
                        AddTree(Row[strID].ToString(), Node, set); //再次递归
                    }
                }
            }

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  • 原文地址:https://www.cnblogs.com/jobyym/p/5261346.html
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