Can someone help me figure out why the text of my label won't change when I call this function?
function updateText(element, num) {
document.getElementById("lblContent").innerHTML = "hello";
}
I have a asp:Label element with an ID of lblContent, but for some reason the text doesn't update as expected.
Any suggestions on what might be causing this issue?
When dealing with the lblControl server side ASP.NET control, it is important to utilize the ClientID property in JavaScript:
function changeText(element, num) {
document.getElementById(<"%=lblContent.ClientID%>").innerHTML = "hello";
}
Make sure to monitor the browser console for any errors. I attempted to replicate your issue using a typical HTML/Javascript setup.
It seems to be functioning properly on my end.
<html>
<head>
<title>Test</title>
<head>
<body>
<div id="lblContent">Previous text</div>
<a href="#" onclick="textNext()">Change text</a>
<script type="text/javascript">
function textNext() {
document.getElementById("lblContent").innerHTML = "Next text";
}
</script>
</body>
</html>
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