private void f_Load_Tree_UserID() { try { string aexp = ""; if (txtTimuser.Text.Trim() != lan.Change_language_MessageText("Tìm kiếm") && txtTimuser.Text.Trim() != "") { aexp = " upper(hoten) like '%" + txtTimuser.Text.Trim().ToUpper() + "%'"; } if (aexp != "") { aexp = " where " + aexp; } string sql = "select to_char(id) as ma,trim(hoten)||' ( '||userid||' )' as ten from medibv.v_dlogin " + aexp + " order by hoten"; m_v.f_Load_Tree(tree_User, m_v.get_data(sql)); for (int i = 0; i < tree_User.Nodes.Count; i++) { if (tree_User.Nodes[i].Tag.ToString() == m_userid) { tree_User.Nodes[i].Checked = true; break; } } } catch { } }