protected void Page_Load(object sender, EventArgs e) { List <TreeNode> treeList = new List <TreeNode>(); SysManage sysManage = new SysManage(); treeList = sysManage.qryHeadOrganTree(); headOrganJson = BeanTools.ToJson(treeList); if (null != BeanTools.ToJson(treeList)) { headOrganJson = System.Text.RegularExpressions.Regex.Replace(headOrganJson, "isChecked", "checked"); } }