动态地应用css文件 [英] dybamically apply css file
本文介绍了动态地应用css文件的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
大家好,我已经使用c#创建了Smalll Web应用程序,并且我有2个CSS文件,
我想动态更改cssfiles,当某些条件为真时,如何执行此操作..
您的答案对我很有帮助
hi all , i have created smalll web application using c#, and i have 2 css files,
i want to dynamically change the cssfiles, when certain condition is true,how to do this..
your answer will be great helpful to me
推荐答案
try:
try:
<head>
<link id="MyStyleSheet" rel="stylesheet" type="text/css" runat="server" />
</head>
在您的Page_Load中,只需添加一个"href"属性,如下所示:
in your Page_Load, simply add a "href" attribute as below:
Page_Load(Sender As Object, E As EventArgs)
If (!IsPostBack)
MyStyleSheet.Attributes.Add("href","/css/flostyle.css")
尝试一下:
Try this :
<head>
<script type="text/javascript">
if (Condition)
{
document.write("<link href=''Stylesheet.css'' rel=''stylesheet'' type=''text/css'' media=''screen'' />")
}
</script>
</head>
或
or
stringbuilder str = new stringbuilder;
str.append("Above Javascript");
label1.text = str.toString;
或
or
MyStyleSheet.Attributes.Add("href","Stylesheet.css")
声明2个标签
javascript代码&的label1 label2供回发参考
从代码背后,您可以使用
declare 2 labels
label1 for javascript code & label2 for postback reference
from codebehind you can use
if (condition)
{
label2.text = "''Stylesheet.css''" //css path
}
stringbuilder str = new stringbuilder;
str.append("<script type="text/javascript"> +
"if (Condition)" +
""{document.write(''<link href="
<big>label2.text</big> +
" rel=''stylesheet'' type=''text/css'' media=''screen'' />'')}" +
"</script>" +
");</script>")
label1.text = str.toString;
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