javascript 在 asp.net 中更改标签文本
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change label text in asp.net
提问by user2958571
I'm trying to change label's text by using javascript:
我正在尝试使用javascript以下方法更改标签的文本：
<head runat="server">
<script type="text/javascript">
function updateLabel() {
var lblElement = document.getElementbyId("Label2");
lblElement.innerHtml("new");
}
</script>
</head>
I call this script from the code behind:
我从后面的代码中调用这个脚本：
mainPage.ClientScript.RegisterStartupScript(GetType(), "MyKey", "updateLabel();",true);
It's not working...
它不工作...
Using a buildin trigger like button click won't work for me that's whyI'm trying to find a way to do it with javascript.
使用像按钮点击这样的内置触发器对我不起作用，这就是为什么我试图找到一种使用 javascript 的方法。
回答by Ajay
Try this
试试这个
<script type="text/javascript">
function updateLabel() {
document.getElementById('Label2').innerHTML = 'New';
}
</script>
回答by Amit
Try this
试试这个
<head runat="server">
<script type="text/javascript">
function updateLabel() {
var lblElement = document.getElementbyId("Label2");
lblElement.innerText="new";
}
</script>
</head>
回答by Manoj
Try this code:
试试这个代码：
JS:
JS：
<script type="text/javascript">
function updateLabel()
{
document.getElementbyId("Label2").innerHTML= "new" ;
}
</script>
回答by geedubb
Javascript is CaSe SeNsItIvE, the property is innerHTMLNOT innerHtml, and it is a property not a method so you need lblElement.innerHTML = "new";. Also unless you are running .NET 4 or later and have ClientIDMode="Static" in your @pagedirective you will have to take into account the actual ID that is rendered in the HTML:
Javascript 是 Case SeNsItIvE，属性innerHTML不是innerHtml，并且它是属性而不是方法，因此您需要lblElement.innerHTML = "new";. 此外，除非您运行 .NET 4 或更高版本并且在您的@page指令中有 ClientIDMode="Static" ，否则您必须考虑在 HTML 中呈现的实际 ID：
<head runat="server">
<script type="text/javascript">
function updateLabel() {
var lblElement = document.getElementbyId('<%=Label2.ClientID%>");
lblElement.innerHTML = 'new';
}
</script>
</head>
回答by satya prakash
Try This code :
试试这个代码：
$('#lblId').text('text which you want to append dynemically');
