zTree在Asp.Net中的使用

前台代码：

<link rel="stylesheet" href="../css/zTreeStyle/zTreeStyle.css" type="text/css">
    <script type="text/javascript" src="../script/jquery-1.4.4.min.js"></script>
    <script type="text/javascript" src="../script/jquery.ztree.core-3.5.js"></script>
    <script type="text/javascript" src="../script/jquery.ztree.excheck-3.5.js"></script>
    <script language="javascript" type="text/javascript">
        
        var setting = {
            check: {
                enable: true,
                chkboxType: {"Y":"", "N":""}
            },
            view: {
                dblClickExpand: false
            },
            data: {
                simpleData: {
                    enable: true
                }
            },
            callback: {
                beforeClick: beforeClick,
                onCheck: onCheck
            }
        };

        var zNodes =<%= seriesData.ToString() %>;

        function beforeClick(treeId, treeNode) {
            var zTree = $.fn.zTree.getZTreeObj("treeDemo");
            zTree.checkNode(treeNode, !treeNode.checked, null, true);
            return false;
        }
        
        function onCheck(e, treeId, treeNode) {
            var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
            nodes = zTree.getCheckedNodes(true),
            v = "";
            var hidSaveId = "";
            for (var i=0, l=nodes.length; i<l; i++) {
                v += nodes[i].name + ",";
                hidSaveId += nodes[i].id + ",";
            }
            if (v.length > 0 ) v = v.substring(0, v.length-1);
            var cityObj = $("#txtProPlayers");
            cityObj.attr("value", v);
            var hidObj = $("#hidSaveId");
            hidObj.attr("value",hidSaveId);
        }

        function showMenu() {
            var cityObj = $("#txtProPlayers");
            var cityOffset = $("#txtProPlayers").offset();
            $("#menuContent").css({left:cityOffset.left + "px", top:cityOffset.top + cityObj.outerHeight() + "px"}).slideDown("fast");

            $("body").bind("mousedown", onBodyDown);
        }
        function hideMenu() {
            $("#menuContent").fadeOut("fast");
            $("body").unbind("mousedown", onBodyDown);
        }
        function onBodyDown(event) {
            if (!(event.target.id == "menuBtn" || event.target.id == "txtProPlayers" || event.target.id == "menuContent" || $(event.target).parents("#menuContent").length>0)) {
                hideMenu();
            }
        }

        $(document).ready(function(){
            $.fn.zTree.init($("#treeDemo"), setting, zNodes);
        });


        function proSave()
        {
            var proname = document.getElementById('txtProName').value;
            if(proname.length < 1)
            {
                alert('项目名称不能为空！');
                return false;
            }
            else
            {
                return true;
            }
        }
    </SCRIPT>

<asp:TextBox ID="txtProPlayers" ReadOnly="true" runat="server" Width="300px"  onclick="showMenu();" ></asp:TextBox>
                    <div id="menuContent" class="menuContent" style="display:none; position: absolute;">
                        <ul id="treeDemo" class="ztree" style="margin-top:0; width:180px; height: 300px;"></ul>
                    </div>
                    <asp:HiddenField ID="hidSaveId" runat="server" />

后台代码：

public StringBuilder seriesData = new StringBuilder();
        public DataSet ds1;
        public DataSet ds2;

        protected void Page_Load(object sender, EventArgs e)
        {
            string cmdstr = "";
            string cmdstr1 = "";
            string name = "";
            string no = "";
            string departID = "";
            string parentID = "";
            cmdstr = "select * from tb_Depart";
            ds1 = PM.DBUtility.DbHelperSQL.Query(cmdstr);
            seriesData.Append("[");
            for (int i = 0; i < ds1.Tables[0].Rows.Count; i++)
            {
                seriesData.Append("{");
                name = ds1.Tables[0].Rows[i]["DepartName"].ToString();
                seriesData.Append("name:\"" + name + "\"");
                seriesData.Append(",");
                no = ds1.Tables[0].Rows[i]["ID"].ToString();
                seriesData.Append("id:" + no);
                seriesData.Append(",");
                parentID = ds1.Tables[0].Rows[i]["ParentID"].ToString();
                //seriesData.Append("pId:" + parentID);
                seriesData.Append("pId:0");
                seriesData.Append(",");
                seriesData.Append("open:true,nocheck:true}");
                if (i != ds1.Tables[0].Rows.Count - 1)
                {
                    seriesData.Append(",");
                }
                cmdstr1 = "select * from tb_User where DepartID='" + no + "'";
                ds2 = PM.DBUtility.DbHelperSQL.Query(cmdstr1);
                for (int j = 0; j < ds2.Tables[0].Rows.Count; j++)
                {
                    seriesData.Append("{");
                    name = ds2.Tables[0].Rows[j]["UserRealName"].ToString();
                    seriesData.Append("name:\"" + name + "\"");
                    seriesData.Append(",");
                    no = ds2.Tables[0].Rows[j]["ID"].ToString();
                    seriesData.Append("id:" + no);
                    seriesData.Append(",");
                    departID = ds2.Tables[0].Rows[j]["DepartID"].ToString();
                    seriesData.Append("pId:" + departID);
                    seriesData.Append("}");
                    if (j != ds2.Tables[0].Rows.Count)
                    {
                        seriesData.Append(",");
                    }
                }
            }
            seriesData.Append("]");
        }



/// <summary>
        /// 执行查询语句，返回DataSet
        /// </summary>
        /// <param name="SQLString">查询语句</param>
        /// <returns>DataSet</returns>
        public static DataSet Query(string SQLString)
        {

            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                DataSet ds = new DataSet();
                try
                {
                    connection.Open();
                    SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
                    command.Fill(ds, "ds");
                }
                catch (System.Data.SqlClient.SqlException ex)
                {
                    return ds;
                    throw new Exception(ex.Message);
                }
                return ds;
            }

        }

/// <summary>
        /// 删除最后结尾的一个逗号
        /// </summary>
        public static string DelLastComma(string str)
        {
            return str.Substring(0, str.LastIndexOf(","));
        }

编辑页后台代码：

        public StringBuilder seriesData = new StringBuilder();
        public DataSet ds1;
        public DataSet ds2;
        public DataSet ds3;
        protected void Page_Load(object sender, EventArgs e)
        {
            string cmdstr = "";
            string cmdstr1 = "";
            string name = "";
            string no = "";
            string departID = "";
            string parentID = "";
            cmdstr = "select * from tb_Depart";
            ds1 = PM.DBUtility.DbHelperSQL.Query(cmdstr);
            seriesData.Append("[");
            for (int i = 0; i < ds1.Tables[0].Rows.Count; i++)
            {
                seriesData.Append("{");
                name = ds1.Tables[0].Rows[i]["DepartName"].ToString();
                seriesData.Append("name:\"" + name + "\"");
                seriesData.Append(",");
                no = ds1.Tables[0].Rows[i]["ID"].ToString();
                seriesData.Append("id:" + no);
                seriesData.Append(",");
                parentID = ds1.Tables[0].Rows[i]["ParentID"].ToString();
                //seriesData.Append("pId:" + parentID);
                seriesData.Append("pId:0");
                seriesData.Append(",");
                seriesData.Append("open:true,nocheck:true}");
                if (i != ds1.Tables[0].Rows.Count - 1)
                {
                    seriesData.Append(",");
                }
                cmdstr1 = "select * from tb_User where DepartID='" + no + "'";
                ds2 = PM.DBUtility.DbHelperSQL.Query(cmdstr1);
                for (int j = 0; j < ds2.Tables[0].Rows.Count; j++)
                {
                    seriesData.Append("{");
                    name = ds2.Tables[0].Rows[j]["UserRealName"].ToString();
                    seriesData.Append("name:\"" + name + "\"");
                    seriesData.Append(",");
                    no = ds2.Tables[0].Rows[j]["ID"].ToString();
                    seriesData.Append("id:" + no);
                    seriesData.Append(",");
                    departID = ds2.Tables[0].Rows[j]["DepartID"].ToString();
                    seriesData.Append("pId:" + departID);

                    //默认选中参与人，并赋值给文本框
                    int id = Convert.ToInt32(Request.QueryString["id"].ToString());
                    string cmdstr2 = "select ProjectPlayers from tb_Project where ProjectID=" + id;
                    ds3 = PM.DBUtility.DbHelperSQL.Query(cmdstr2);
                    string players = ds3.Tables[0].Rows[0]["ProjectPlayers"].ToString();
                    string[] str = players.Split(',');
                    foreach (string key in str)
                    {
                        if (key == ds2.Tables[0].Rows[j]["ID"].ToString())
                        {
                            seriesData.Append(",checked:true");
                            hidSaveId.Value = ds3.Tables[0].Rows[0]["ProjectPlayers"].ToString();
                            txtProPlayers.Text = returnUserName(ds3.Tables[0].Rows[0]["ProjectPlayers"].ToString());
                        }
                    }

                    seriesData.Append("}");
                    if (j != ds2.Tables[0].Rows.Count)
                    {
                        seriesData.Append(",");
                    }
                }
            }
            seriesData.Append("]");
        }