SelectedDatesCollection.Contains(DateTime) 메서드

정의

네임스페이스:
System.Web.UI.WebControls
어셈블리:
System.Web.dll

컬렉션에 지정된 SelectedDatesCollection 개체가 DateTime 포함되어 있는지 여부를 나타내는 값을 반환합니다.

public:
 bool Contains(DateTime date);
public bool Contains(DateTime date);
member this.Contains : DateTime -> bool
Public Function Contains (date As DateTime) As Boolean

매개 변수

date
DateTime

DateTime 에서 검색할 대상입니다SelectedDatesCollection.

반품

Boolean

지정된 항목이 포함되어 있으면 이고, 그렇지 않으면 .입니다.

예제

다음 코드 예제에서는 메서드를 사용 하 여 Contains 컬렉션에 지정 된 SelectedDatesCollection 개체를 System.DateTime 포함 하는지 여부를 확인 하는 방법을 보여 줍니다.

<%@ 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 Button_Click(Object sender, EventArgs e) 
       {
   
          int current_month = Calendar1.VisibleDate.Month;
          int current_year = Calendar1.VisibleDate.Year;
           
          Calendar1.VisibleDate = Calendar1.TodaysDate;
 
          DateTime date = new DateTime(current_year, current_month, 15);
 
          if (Calendar1.SelectedDates.Contains(date)) 
             Label1.Text = "Yes, you selected the 15th!!";
          else
             Label1.Text = "No, you didn't select the 15th!!";
             
       }
 
    </script>
 
 </head>     
 <body>
 
    <form id="form1" runat="server">
 
       <asp:Calendar ID="Calendar1" runat="server"  
            SelectionMode="DayWeekMonth"/>
 
       <hr />
 
       Select dates on the Calendar and click the button below <br />
       to validate that the 15th on the month was selected <br /><br /> 
 
       <asp:Button id="Button1"
            text="Validate the 15th" 
            OnClick="Button_Click"  
            runat="server"  /> <br /><br />
 
       <asp:Label id="Label1" runat="server" />
 
    </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 Button_Click(sender As Object, e As EventArgs)
            
            Dim current_month As Integer = Calendar1.VisibleDate.Month
            Dim current_year As Integer = Calendar1.VisibleDate.Year
            
            Calendar1.VisibleDate = Calendar1.TodaysDate
            
            Dim theDate As New DateTime(current_year, current_month, 15)
            
            If Calendar1.SelectedDates.Contains(theDate) Then
                Label1.Text = "Yes, you selected the 15th!!"
            Else
                Label1.Text = "No, you didn't select the 15th!!"
            End If 
        End Sub
 
    </script>
 
 </head>     
 <body>
 
    <form id="form1" runat="server">
 
       <asp:Calendar ID="Calendar1" runat="server"  
            SelectionMode="DayWeekMonth"/>
 
       <hr />
 
       Select dates on the Calendar and click the button below <br />
       to validate that the 15th on the month was selected <br /><br /> 
 
       <asp:Button id="Button1"
            text="Validate the 15th" 
            OnClick="Button_Click"  
            runat="server"  /> <br /><br />
 
       <asp:Label id="Label1" runat="server" />
 
    </form>
 </body>
 </html>

설명

이 메서드를 사용하여 컬렉션에 지정된 SelectedDatesCollection 개체가 System.DateTime 포함되어 있는지 여부를 확인합니다.

적용 대상

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