CalendarDay.IsWeekend 属性
定义
重要
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获取一个值，该值指示由此类的实例表示的日期是否是星期六或星期日。 此属性为只读。
public:
property bool IsWeekend { bool get(); };public bool IsWeekend { get; }member this.IsWeekend : boolPublic ReadOnly Property IsWeekend As Boolean属性值
如果由此类的实例表示的日期是星期六或星期日，则为 true；否则为 false。
示例
下面的示例演示如何使用 对象的属性 CalendarDay 来确定事件中 DayRender 呈现的日期是否在显示的月份，而不是星期六或星期日。 这些日期以黄色显示。 请注意，Day传入事件处理程序的 DayRenderEventArgs 对象的 属性是 CalendarDayDayRender 对象。
<%@ Page Language="C#" AutoEventWireup="True" %>
<!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>ASP.NET Example</title>
<script language="C#" runat="server">
void DayRender(Object source, DayRenderEventArgs e)
{
if (!e.Day.IsOtherMonth && !e.Day.IsWeekend)
e.Cell.BackColor=System.Drawing.Color.Yellow;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:Calendar id="calendar1" runat="server"
WeekendDayStyle-BackColor="gray"
OnDayRender="DayRender"/>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<!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>ASP.NET Example</title>
<script language="VB" runat="server">
Sub DayRender(source As Object, e As DayRenderEventArgs)
If Not e.Day.IsOtherMonth And Not e.Day.IsWeekend Then
e.Cell.BackColor = System.Drawing.Color.Yellow
End If
End Sub 'DayRender
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:Calendar id="calendar1" runat="server"
WeekendDayStyle-BackColor="gray"
OnDayRender="DayRender"/>
</form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="True" %>
<!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 runat="server">
<title>Calendar DayRender Example</title>
<script runat="server">
void DayRender(Object sender, DayRenderEventArgs e)
{
// Change the background color of the days in the month
// to yellow.
if (!e.Day.IsOtherMonth && !e.Day.IsWeekend)
{
e.Cell.BackColor=System.Drawing.Color.Yellow;
}
// Add custom text to cell in the Calendar control.
if (e.Day.Date.Day == 18)
{
e.Cell.Controls.Add(new LiteralControl("<br />Holiday"));
}
}
void Page_Load(Object sender, EventArgs e)
{
// Manually register the event-handling method for the DayRender
// event of the Calendar control.
Calendar1.DayRender += new DayRenderEventHandler(this.DayRender);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<h3>Calendar DayRender Example</h3>
<asp:Calendar id="Calendar1"
runat="server">
<WeekendDayStyle BackColor="gray">
</WeekendDayStyle>
</asp:Calendar>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<!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 runat="server">
<title>Calendar DayRender Example</title>
<script runat="server">
Sub DayRender(sender as Object, e As DayRenderEventArgs)
' Change the background color of the days in the month
' to yellow.
If (Not e.Day.IsOtherMonth) And (Not e.Day.IsWeekend) Then
e.Cell.BackColor=System.Drawing.Color.Yellow
End If
' Add custom text to cell in the Calendar control.
If e.Day.Date.Day = 18 Then
e.Cell.Controls.Add(New LiteralControl("<br />Holiday"))
End If
End Sub
Sub Page_Load(sender As Object, e As EventArgs)
' Manually register the event-handling method for the DayRender
' event of the Calendar control.
AddHandler Calendar1.DayRender, AddressOf DayRender
End Sub
</script>
</head>
<body>
<form id="form1" runat="server">
<h3>Calendar DayRender Example</h3>
<asp:Calendar id="Calendar1"
runat="server">
<WeekendDayStyle BackColor="gray">
</WeekendDayStyle>
</asp:Calendar>
</form>
</body>
</html>
注解
IsWeekend使用 属性以编程方式确定此类的实例表示的日期是星期六还是星期日。 这使您可以基于该值以编程方式控制日期的外观或行为。
