在asp.net服务器控件中使用javascript

作者佚名技术来源 NET编程浏览发布时间 2012-04-11

quot;>
protected void Page_Load(object sender, EventArgs e)
{
Page.RegisterClientScriptBlock("MyScript", _
"if (document.images) {" +
"MyButton = new Image;" +
"MyButtonShaded = new Image;" +
"MyButton.src = ''button1.gif;" +
"MyButtonShaded.src = ''button2.gif;" +
"}" +
"else {" +
"MyButton = '''';" +
"MyButtonShaded = '''';" +
"}", true);
ImageButton1.Attributes.Add("onmouseover",
"this.src = MyButtonShaded.src;" +
"window.status=''是的！请单击此处！'';");
ImageButton1.Attributes.Add("onmouseout",
"this.src = MyButton.src;" +
"window.status='''';");
}
protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
{
//Label1.Text = "回发！";
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>使用 JavaScript</title></head>
<body>
<form id="form1" runat="server">
<div>
<p>
<asp:ImageButton id="ImageButton1"
onmouseover="this.src=''button2.gif''"
onclick="ImageButton1_Click"
onmouseout="this.src=''button1.gif''" runat="server"
ImageUrl="button1.gif"></asp:ImageButton>
</p>
<p>
<asp:Label id="Label1" runat="server" />
</p>
</div>
</form>
</body>
</html>

輸出代碼如下:
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1">
<title>使用 JavaScript</title></head>
<body>
<form name="form1" method="post" action="Default.aspx" id="form1">
<div>
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE"
value="/wEPDwUKMTcyMTcwOTQ2NA9kFgICBA9kFgICAQ8PZBYEHgtvbm1
vdXNlb3ZlcgVCdGhpcy5zcmMgPSBNeUJ1dHRvblNoYWRlZC5zcmM7d2luZ
G93LnN0YXR1cz0nT2ggWWVzISBDbGljayBoZXJlISc7Hgpvbm1vdXNlb3V
0BSl0aGlzLnNyYyA9IE15QnV0dG9uLnNyYzt3aW5kb3cuc3RhdHVzPScnO
2QYAQUeX19Db250cm9sc1JlcXVpcmVQb3N0QmFja0tleV9fFgEFDEltYWd
lQnV0dG9uMXDJ4zl4FNylcdE+kep0e5wzi14T" />
</div>
<script type="text/javascript">

</script>
<div>
<p>
<input type="image" name="ImageButton1" id="ImageButton1"
onmouseover="this.src = MyButtonShaded.src;window.status=''是的！请单击此处！'';"
onmouseout="this.src = MyButton.src;window.status='''';"
src="button1.gif" style="border-width:0px;" />
</p>
<p>
<span id="Label1"></span>
</p>
</div&

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