private void AddTree(int Pid, TreeNode PNode)
{
DataSet ds = conn.DsSql("select code,name,pcode,group_code from department");
DataTable dt = ds.Tables[0];
if (dt.Rows.Count > 0)
{
DataView dv = new DataView(dt);
//过滤ParentID,得到当前的所有子节点 ParentID为父节点ID
dv.RowFilter = "[pcode] = " + Pid;
Debug.WriteLine(cnt++.ToString());
//循环递归
foreach (DataRowView Row in dv)
{
//声明节点
TreeNode Node = new TreeNode();
//绑定超级链接(点击部门跳转到员工页面，员工列表由部门编码group_code字段条件控制)
Node.NavigateUrl = String.Format("javascript:show('{0}')", Row["group_code"].ToString());
//开始递归
if (PNode == null)
{
//添加根节点
Node.Text = Row["name"].ToString();
TreeView1.Nodes.Add(Node);
Node.Expanded = true; //节点状态展开
AddTree(Int32.Parse(Row["code"].ToString()), Node); //再次递归
}
else
{
//添加当前节点的子节点
Node.Text = Row["name"].ToString();
PNode.ChildNodes.Add(Node);
Node.Expanded = true; //节点状态展开
AddTree(Int32.Parse(Row["code"].ToString()), Node); //再次递归
}
}
}
}
