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DropdownList选择内容改变时,自动跳转:
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_jumpMenu(selObj,restore){ //v3.0
//eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
window.open(selObj.options[selObj.selectedIndex].value);
selObj.selectedIndex=0;
}
//-->
</script>
引用:
<asp:DropDownList ID="ddlSoft" runat="server" onChange="MM_jumpMenu(this,0)" DataTextField="Name"
DataValueField="Link" EnableTheming="false" Width="133px" />
下载文件不存在时,弹出错误信息:
<asp:HyperLinkField DataTextField="Title" DataNavigateUrlFields="Attach" Target="_blank" DataNavigateUrlFormatString="{0}">
<ItemStyle Width="379px" VerticalAlign="Bottom" />
</asp:HyperLinkField>
dtDowloads.Rows[i]["title"] = "<a href=\"javascript:alert('下载文件不存在或已被删除!')\">"+ dtDowloads.Rows[i]["title"]+"</a>";
JavaScript实用的一些技巧
<table border oncontextmenu=return(false)><td>no</table> 可用于Table
3. onpaste="return false" 不准粘贴
4. oncopy="return false;" oncut="return false;" 防止复制
5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
7. <input style="ime-mode:disabled"> 关闭输入法
8. 永远都会带着框架
<script language="JavaScript"><!--
if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
// --></script>
9. 防止被人frame
<SCRIPT LANGUAGE=JAVASCRIPT><!--
if (top.location != self.location)top.location=self.location;
// --></SCRIPT>
10. 网页将不能被另存为
<noscript><iframe src=*.html></iframe></noscript>
11. <input type=button value=查看网页源代码
onclick="window.location = "view-source:"+ "http://www.pconline.com.cn"">
12.删除时确认
<a href="javascript:if(confirm("确实要删除吗?"))location="boos.asp?&areyou=删除&page=1"">删除</a>
13. 取得控件的绝对位置
//Javascript
<script language="Javascript">
function getIE(e){
var t=e.offsetTop;
var l=e.offsetLeft;
while(e=e.offsetParent){
t+=e.offsetTop;
l+=e.offsetLeft;
}
alert("top="+t+"/nleft="+l);
}
</script>
//VBScript
<script language="VBScript"><!--
function getIE()
dim t,l,a,b
set a=document.all.img1
t=document.all.img1.offsetTop
l=document.all.img1.offsetLeft
while a.tagName<>"BODY"
set a = a.offsetParent
t=t+a.offsetTop
l=l+a.offsetLeft
wend
msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
end function
--></script>