如今各種各樣的日曆控制項滿天飛（參見http://www.cnblogs.com/blodfox777/archive/2008/08/13/1266639.html），使用ASP.NET Calendar控制項的朋友貌似不多了，但今天一個客戶的古怪問題卻讓我想起了它的一個大優點：可以按照自己的要求進行定製！
問：
Scenario: I have a calendar control in an aspx page and gets populated using a datasource. The data in this view is more of a title that the user can drill into.
Question: I want to link the date (Eg: 20) so when user clicks a client side event is fired and not a postback is done. How can I hook the date with a client side script?
Thanks
答：
As far as I know, if you would like to customize the ASP.NET Calendar control, the code should be written in the ondayrender event handle.
Just like the following demo:
When use click on a day on this calendar, instead of post back, a user definable JavaScript function will be called:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default4.aspx.cs" Inherits="Default4" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type="text/javascript">
function clickdate(day)
{
window.alert(day);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div><asp:Calendar ID="Calendar1" runat="server"
ondayrender="Calendar1_DayRender"></asp:Calendar></div>
</div>
</form>
</body>
</html>
protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)
e.Cell.Text = "<input type='button' value='" + e.Day.Date.Day.ToString() + "' onclick='clickdate(this.value);'/>";
}
For more information about ondayrender, I would like to suggest you to check the following link, which talks about ondayrender of Calendar control.
http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.calendar.dayrender.aspx
If I’ve misunderstood the facing issue, please feel free to let me know.
Thanks.
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