网页编程小经验-asp.net中触发js事件
__doPostBack(‘客户端控件ID’,‘参数’)
js中可以调用vbscript的函数方法
<script language="vbscript">
function checkDate(start,enddate)
dtstartdate = CDate(start)
dtenddata = CDate(enddate)
if dtstartdate < now() or dtenddata < now() then
checkDate = false
exit function
end if
checkDate = dtstartdate <= dtenddata end function
</script>
<script type="text/javascript" language="javascript">
function CheckDateSelected()
{
var txtStartDate=document.getElementById("ctl00_ContentPlaceHolder1_txtStartDate");
var txtEndDate=document.getElementById("ctl00_ContentPlaceHolder1_txtEndDate");
var startDate=txtStartDate.value;
var endDate=txtEndDate.value;
if(startDate!="" && endDate!="")
if(!checkDate(startDate,endDate))
{
alert("Date is invalid,the reason can be\n StartDate is later than EndDate or StartDate/EndDate is past date.");
}
}
</script>
webform实现文件另存为的功能
<button onclick="document.execCommand('Saveas')">文件另存为</button>
C#中换行在文本中:
c#中可以用\n表示换行,但是在文本中,必须用\r\n来替换,\n\r也不行。