前臺代碼
<script type="text/javascript">
//客戶端捕捉事件
function CheckEvent() {
var objNode =
event.srcElement;
if
(objNode.tagName == "INPUT"
&& objNode.type == "checkbox") {
var objParentDiv = objNode.id.replace("CheckBox",
"Nodes");
if
(objNode.checked
== true) {
setChildCheckState(objParentDiv,
true);
setParentCheckeState(objNode,
true);
}
else
{ setChildCheckState(objParentDiv,
false);
if
(!HasOtherChecked(objNode)) { setParentCheckeState(objNode,
false);
}
}
}
}
//判斷是否有並行的其他節點被選中
function HasOtherChecked(objNode) {
var objParentDiv = WebForm_GetParentByTagName(objNode,
"div");
var chks = objParentDiv.getElementsByTagName("INPUT");
for
(var i = 0; i < chks.length; i++) { if
(chks[i].checked
&& chks[i].id != objNode.id) { return
true; }
}
return
false; }
//設置父節點
function setParentCheckeState(objNode, chkstate) {
try
{ var objParentDiv = WebForm_GetParentByTagName(objNode,
"div");
if
(objParentDiv == null
|| objParentDiv == "undefined ") {
return;
}
else
{ var objParentChkId = objParentDiv.id.replace("Nodes",
"CheckBox");
var objParentCheckBox = document.getElementById(objParentChkId);
if
(objParentCheckBox) { objParentCheckBox.checked
= chkstate; setParentCheckeState(objParentDiv, chkstate);
}
}
}
catch
(e) { } }
//設置子節點
function setChildCheckState(nodeid, chkstate) {
var node = document.getElementById(nodeid);
if
(node) { var chks = node.getElementsByTagName("INPUT");
for
(var i = 0; i < chks.length; i++) { chks[i].checked
= chkstate; }
}
}
</script>
<body>
<form id="form1"
runat="server">
<asp:TreeView ID="TreeView1"
runat="server"
ShowCheckBoxes="All"
onclick="CheckEvent()">
</asp:TreeView>
</form>
</body> |
後臺代碼：
private void BindGrid()
{
DataTable mytable = menuTableBll.GetAllList().Tables[0]; //獲取數據
CreateTree(mytable, TreeView1.Nodes, "0");
}
private void CreateTree(DataTable dtNodeSets, TreeNodeCollection node, string parent_id)
{
DataView dvList = new DataView(dtNodeSets);
dvList.RowFilter = "MeunParentId =" + parent_id;
TreeNode nodeTemp;
foreach (DataRowView dv in dvList)
{
nodeTemp = new TreeNode();
nodeTemp.Text = dv["MenuName"].ToString();
nodeTemp.Expanded = true;
nodeTemp.ToolTip = dv["MeunId"].ToString();
node.Add(nodeTemp);
CreateTree(dtNodeSets, nodeTemp.ChildNodes, dv["MeunId"].ToString());
}
}