다음을 통해 공유

CheckBoxList.RepeatColumns 속성

  • 참조

정의

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

CheckBoxList 컨트롤에 표시할 열의 수를 가져오거나 설정합니다.

public:
 virtual property int RepeatColumns { int get(); void set(int value); };
[System.ComponentModel.Bindable(true)]
public virtual int RepeatColumns { get; set; }
public virtual int RepeatColumns { get; set; }
[<System.ComponentModel.Bindable(true)>]
member this.RepeatColumns : int with get, set
member this.RepeatColumns : int with get, set
Public Overridable Property RepeatColumns As Integer

속성 값

Int32

CheckBoxList 컨트롤에 표시할 열의 수입니다. 기본값은 0으로, 이 속성이 설정되지 않았음을 나타냅니다.

특성
BindableAttribute

예외

ArgumentOutOfRangeException

열의 수가 음의 값으로 설정된 경우

예제

다음 코드 예제를 사용 RepeatColumns 하는 방법에 설명 합니다 속성을 두 개의 열이 표시 CheckBoxList 되도록 지정 하는 컨트롤입니다.

참고

다음 코드 샘플 단일 파일 코드 모델을 사용 하 고 코드 숨김 파일에 직접 복사 하는 경우 제대로 작동 하지 않을 수 있습니다. 각 코드 샘플은 .aspx 확장명의 빈 텍스트 파일에 복사해야 합니다. Web Forms 코드 모델에 대 한 자세한 내용은 참조 하세요. ASP.NET Web Forms 페이지 코드 모델합니다.

<%@ 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>CheckBoxList Example</title>
<script language="C#" runat="server">

   void Check_Clicked(Object sender, EventArgs e) 
   {
      Message.Text = "Selected Item(s):<br /><br />";
      for (int i = 0; i < CheckBoxList1.Items.Count; i++)
      {
         if (CheckBoxList1.Items[i].Selected)
            Message.Text += CheckBoxList1.Items[i].Text + "<br />";
      }
   }

</script>
 
</head>
<body>
   
   <form id="form1" action="CheckBoxList.aspx" method="post" runat="server">
 
      <h3>CheckBoxList Example</h3>

      <asp:CheckBoxList id="CheckBoxList1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Flow"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" 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>CheckBoxList Example</title>
<script language="VB" runat="server">

   Sub Check_Clicked(sender As Object, e As EventArgs)
      Dim i As Integer
      Message.Text = "Selected Item(s):<br /><br />"
      For i = 0 To CheckBoxList1.Items.Count - 1
         If checkboxlist1.Items(i).Selected Then
            Message.Text += checkboxlist1.Items(i).Text + "<br />"
         End If
      Next
   End Sub

</script>
 
</head>
<body>
   
   <form id="form1" action="CheckBoxList.aspx" method="post" runat="server">
 
      <h3>CheckBoxList Example</h3>

      <asp:CheckBoxList id="CheckBoxList1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Flow"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" runat="server"/>
             
   </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> CheckBoxList RepeatColumns Example </title>
<script runat="server">

      void Check_Clicked(Object sender, EventArgs e) 
      {

         Message.Text = "Selected Item(s):<br /><br />";

         // Iterate through the Items collection of the CheckBoxList 
         // control and display the selected items.
         for (int i=0; i<checkboxlist1.Items.Count; i++)
         {

            if (checkboxlist1.Items[i].Selected)
            {

               Message.Text += checkboxlist1.Items[i].Text + "<br />";

            }

         }

      }

      void Index_Change(Object sender, EventArgs e) 
      {

         // Set the number columns in the CheckBoxList control.
         checkboxlist1.RepeatColumns = List.SelectedIndex;

      }

   </script>
 
</head>

<body>
   
   <form id="form1" runat="server">
 
      <h3> CheckBoxList RepeatColumns Example </h3>

      Select items from the CheckBoxList.

      <br /><br />

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" runat="server"/>

      <hr />

      Select the number of columns to display.

      <table cellpadding="5">

         <tr>

            <td>

               RepeatColumns:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="List"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem>0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem Selected="True">2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
             
   </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> CheckBoxList RepeatColumns Example </title>
<script runat="server">

      Sub Check_Clicked(sender as Object, e As EventArgs) 

         Message.Text = "Selected Item(s):<br /><br />"

         ' Iterate through the Items collection of the CheckBoxList
         ' control and display the selected items.
         Dim i As Integer

         For i=0 To checkboxlist1.Items.Count - 1

            If checkboxlist1.Items(i).Selected Then

               Message.Text &= checkboxlist1.Items(i).Text & "<br />"

            End If

         Next

      End Sub

      Sub Index_Change(sender as Object, e As EventArgs) 

         ' Set the number columns in the CheckBoxList control.
         checkboxlist1.RepeatColumns = List.SelectedIndex

      End Sub

   </script>
 
</head>

<body>
   
   <form id="form1" runat="server">
 
      <h3> CheckBoxList RepeatColumns Example </h3>

      Select items from the CheckBoxList.

      <br /><br />

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" runat="server"/>

      <hr />

      Select the number of columns to display.

      <table cellpadding="5">

         <tr>

            <td>

               RepeatColumns:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="List"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem>0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem Selected="True">2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
             
   </form>
          
</body>

</html>

설명

경우는 RepeatLayout 속성으로 설정 Table된 , 컨트롤에 표시 CheckBoxList 되는 열의 수를 지정 하려면이 속성을 사용할 수 있습니다. 이 속성을 설정 하지 않으면 컨트롤은 CheckBoxList 단일 열에 있는 모든 목록 항목을 표시 합니다.

적용 대상

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