CheckBoxList.RepeatLayout 屬性

參考

定義

命名空間:: System.Web.UI.WebControls

組件:: System.Web.dll

重要

部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。

取得或設定值，這個值指定要使用 table 項目、ul 項目、ol 項目還是 span 項目來呈現清單。

public:
 virtual property System::Web::UI::WebControls::RepeatLayout RepeatLayout { System::Web::UI::WebControls::RepeatLayout get(); void set(System::Web::UI::WebControls::RepeatLayout value); };

[System.ComponentModel.Bindable(true)]
public virtual System.Web.UI.WebControls.RepeatLayout RepeatLayout { get; set; }

public virtual System.Web.UI.WebControls.RepeatLayout RepeatLayout { get; set; }

[<System.ComponentModel.Bindable(true)>]
member this.RepeatLayout : System.Web.UI.WebControls.RepeatLayout with get, set

member this.RepeatLayout : System.Web.UI.WebControls.RepeatLayout with get, set

Public Overridable Property RepeatLayout As RepeatLayout

屬性值

RepeatLayout

一個值，指定要使用 table 項目、ul 項目、ol 項目還是 span 項目來呈現清單。預設為 Table。

屬性: BindableAttribute

例外狀況

ArgumentOutOfRangeException

指定的配置不是其中一個 RepeatLayout 值。

範例

下列程式碼範例示範如何使用 RepeatLayout 屬性來變更控制項轉譯的 CheckBoxList HTML。

注意

下列程式碼範例使用單一檔案程式碼模型，如果直接複製到程式碼後置檔案，可能無法正常運作。每個程式碼範例都必須複製到副檔名為 .aspx 的空白文字檔。如需Web Form程式碼模型的詳細資訊，請參閱ASP.NET Web Forms頁碼模型。


<%@ 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 RepeatLayout 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 layout (table or flow) of the CheckBoxList control.
         checkboxlist1.RepeatLayout = (RepeatLayout)List.SelectedIndex;

      }

   </script>
 
</head>

<body>
   
   <form id="form1" runat="server">
 
      <h3> CheckBoxList RepeatLayout 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 whether to display the CheckBoxList control in 
      table or flow layout.

      <table cellpadding="5">

         <tr>

            <td>

               RepeatLayout:

            </td>

         </tr>

         <tr>

            <td>

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

                  <asp:ListItem Selected="True">Table</asp:ListItem>
                  <asp:ListItem>Flow</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 RepeatLayout 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 layout (table or flow) of the CheckBoxList control.
         checkboxlist1.RepeatLayout = CType(List.SelectedIndex, RepeatLayout)

      End Sub

   </script>
 
</head>

<body>
   
   <form id="form1" runat="server">
 
      <h3> CheckBoxList RepeatLayout 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 whether to display the CheckBoxList control in 
      table or flow layout.

      <table cellpadding="5">

         <tr>

            <td>

               RepeatLayout:

            </td>

         </tr>

         <tr>

            <td>

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

                  <asp:ListItem Selected="True">Table</asp:ListItem>
                  <asp:ListItem>Flow</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

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

</html>

備註

如需可用選項的相關資訊，請參閱 RepeatLayout 列舉。

注意

從 ASP.NET 4 起，有兩個選項是新的： OrderedList 和 UnorderedList 。

某些 RepeatLayout 設定不允許水準配置。如需詳細資訊，請參閱 RepeatLayout 列舉。

適用於

CheckBoxList.RepeatLayout 屬性

定義

屬性值

例外狀況

範例

備註

適用於

另請參閱

意見反應

其他資源