Code :
<asp:TreeView ID="treeviewspcode" runat="server" ShowCheckBoxes="All" OnClick="OnTreeClick(event)" ShowLines="True" Width="100%">
<HoverNodeStyle BackColor="Yellow" BorderColor="#FF0066" BorderStyle="Solid" BorderWidth="1px" />
<SelectedNodeStyle BackColor="#FFFF99" BorderColor="#FF3300" BorderStyle="Dotted" BorderWidth="1px" />
</asp:TreeView>
JAVASCRIPT CODE HERE :
<script type="text/javascript">
function OnTreeClick(evt) {
var src = window.event != window.undefined ? window.event.srcElement : evt.target;
var isChkBoxClick = (src.tagName.toLowerCase() == "input" && src.type == "checkbox");
if (isChkBoxClick) {
if (src.checked == true) {
var nodeText = getNextSibling(src).innerText || getNextSibling(src).innerHTML;
var nodeValue = GetNodeValue(getNextSibling(src));
//document.getElementById("label").innerHTML += nodeText + ",";
}
else {
var nodeText = getNextSibling(src).innerText || getNextSibling(src).innerHTML;
var nodeValue = GetNodeValue(getNextSibling(src));
//var val = document.getElementById("label").innerHTML;
//document.getElementById("label").innerHTML = val.replace(nodeText + ",", "");
}
var parentTable = GetParentByTagName("table", src);
var nxtSibling = parentTable.nextSibling;
//check if nxt sibling is not null & is an element node
if (nxtSibling && nxtSibling.nodeType == 1) {
//if node has children
if (nxtSibling.tagName.toLowerCase() == "div") {
//check or uncheck children at all levels
CheckUncheckChildren(parentTable.nextSibling, src.checked);
}
}
//check or uncheck parents at all levels
CheckUncheckParents(src, src.checked);
}
}
function CheckUncheckChildren(childContainer, check) {
var childChkBoxes = childContainer.getElementsByTagName("input");
var childChkBoxCount = childChkBoxes.length;
for (var i = 0; i < childChkBoxCount; i++) {
childChkBoxes[i].checked = check;
}
}
function CheckUncheckParents(srcChild, check) {
var parentDiv = GetParentByTagName("div", srcChild);
var parentNodeTable = parentDiv.previousSibling;
if (parentNodeTable) {
var checkUncheckSwitch;
//checkbox checked
if (check) {
var isAllSiblingsChecked = AreAllSiblingsChecked(srcChild);
if (isAllSiblingsChecked)
checkUncheckSwitch = true;
else
return; //do not need to check parent if any(one or more) child not checked
}
else //checkbox unchecked
{
checkUncheckSwitch = false;
}
var inpElemsInParentTable = parentNodeTable.getElementsByTagName("input");
if (inpElemsInParentTable.length > 0) {
var parentNodeChkBox = inpElemsInParentTable[0];
parentNodeChkBox.checked = checkUncheckSwitch;
//do the same recursively
CheckUncheckParents(parentNodeChkBox, checkUncheckSwitch);
}
}
}
function AreAllSiblingsChecked(chkBox) {
var parentDiv = GetParentByTagName("div", chkBox);
var childCount = parentDiv.childNodes.length;
for (var i = 0; i < childCount; i++) {
if (parentDiv.childNodes[i].nodeType == 1) {
//check if the child node is an element node
if (parentDiv.childNodes[i].tagName.toLowerCase() == "table") {
var prevChkBox = parentDiv.childNodes[i].getElementsByTagName("input")[0];
//if any of sibling nodes are not checked, return false
if (!prevChkBox.checked) {
return false;
}
}
}
}
return true;
}
//utility function to get the container of an element by tagname
function GetParentByTagName(parentTagName, childElementObj) {
var parent = childElementObj.parentNode;
while (parent.tagName.toLowerCase() != parentTagName.toLowerCase()) {
parent = parent.parentNode;
}
return parent;
}
function getNextSibling(element) {
var n = element;
do n = n.nextSibling;
while (n && n.nodeType != 1);
return n;
}
//returns NodeValue
function GetNodeValue(node) {
var nodeValue = "";
var nodePath = node.href.substring(node.href.indexOf(",") + 2, node.href.length - 2);
var nodeValues = nodePath.split("\\");
if (nodeValues.length > 1)
nodeValue = nodeValues[nodeValues.length - 1];
else
nodeValue = nodeValues[0].substr(1);
return nodeValue;
}
</script>
Done :)
<asp:TreeView ID="treeviewspcode" runat="server" ShowCheckBoxes="All" OnClick="OnTreeClick(event)" ShowLines="True" Width="100%">
<HoverNodeStyle BackColor="Yellow" BorderColor="#FF0066" BorderStyle="Solid" BorderWidth="1px" />
<SelectedNodeStyle BackColor="#FFFF99" BorderColor="#FF3300" BorderStyle="Dotted" BorderWidth="1px" />
</asp:TreeView>
JAVASCRIPT CODE HERE :
<script type="text/javascript">
function OnTreeClick(evt) {
var src = window.event != window.undefined ? window.event.srcElement : evt.target;
var isChkBoxClick = (src.tagName.toLowerCase() == "input" && src.type == "checkbox");
if (isChkBoxClick) {
if (src.checked == true) {
var nodeText = getNextSibling(src).innerText || getNextSibling(src).innerHTML;
var nodeValue = GetNodeValue(getNextSibling(src));
//document.getElementById("label").innerHTML += nodeText + ",";
}
else {
var nodeText = getNextSibling(src).innerText || getNextSibling(src).innerHTML;
var nodeValue = GetNodeValue(getNextSibling(src));
//var val = document.getElementById("label").innerHTML;
//document.getElementById("label").innerHTML = val.replace(nodeText + ",", "");
}
var parentTable = GetParentByTagName("table", src);
var nxtSibling = parentTable.nextSibling;
//check if nxt sibling is not null & is an element node
if (nxtSibling && nxtSibling.nodeType == 1) {
//if node has children
if (nxtSibling.tagName.toLowerCase() == "div") {
//check or uncheck children at all levels
CheckUncheckChildren(parentTable.nextSibling, src.checked);
}
}
//check or uncheck parents at all levels
CheckUncheckParents(src, src.checked);
}
}
function CheckUncheckChildren(childContainer, check) {
var childChkBoxes = childContainer.getElementsByTagName("input");
var childChkBoxCount = childChkBoxes.length;
for (var i = 0; i < childChkBoxCount; i++) {
childChkBoxes[i].checked = check;
}
}
function CheckUncheckParents(srcChild, check) {
var parentDiv = GetParentByTagName("div", srcChild);
var parentNodeTable = parentDiv.previousSibling;
if (parentNodeTable) {
var checkUncheckSwitch;
//checkbox checked
if (check) {
var isAllSiblingsChecked = AreAllSiblingsChecked(srcChild);
if (isAllSiblingsChecked)
checkUncheckSwitch = true;
else
return; //do not need to check parent if any(one or more) child not checked
}
else //checkbox unchecked
{
checkUncheckSwitch = false;
}
var inpElemsInParentTable = parentNodeTable.getElementsByTagName("input");
if (inpElemsInParentTable.length > 0) {
var parentNodeChkBox = inpElemsInParentTable[0];
parentNodeChkBox.checked = checkUncheckSwitch;
//do the same recursively
CheckUncheckParents(parentNodeChkBox, checkUncheckSwitch);
}
}
}
function AreAllSiblingsChecked(chkBox) {
var parentDiv = GetParentByTagName("div", chkBox);
var childCount = parentDiv.childNodes.length;
for (var i = 0; i < childCount; i++) {
if (parentDiv.childNodes[i].nodeType == 1) {
//check if the child node is an element node
if (parentDiv.childNodes[i].tagName.toLowerCase() == "table") {
var prevChkBox = parentDiv.childNodes[i].getElementsByTagName("input")[0];
//if any of sibling nodes are not checked, return false
if (!prevChkBox.checked) {
return false;
}
}
}
}
return true;
}
//utility function to get the container of an element by tagname
function GetParentByTagName(parentTagName, childElementObj) {
var parent = childElementObj.parentNode;
while (parent.tagName.toLowerCase() != parentTagName.toLowerCase()) {
parent = parent.parentNode;
}
return parent;
}
function getNextSibling(element) {
var n = element;
do n = n.nextSibling;
while (n && n.nodeType != 1);
return n;
}
//returns NodeValue
function GetNodeValue(node) {
var nodeValue = "";
var nodePath = node.href.substring(node.href.indexOf(",") + 2, node.href.length - 2);
var nodeValues = nodePath.split("\\");
if (nodeValues.length > 1)
nodeValue = nodeValues[nodeValues.length - 1];
else
nodeValue = nodeValues[0].substr(1);
return nodeValue;
}
</script>
Done :)
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