ListView.ItemPlaceholderID Özellik

Tanım

Denetimdeki öğe yer tutucusunun ListView kimliğini alır veya ayarlar.

public:
 virtual property System::String ^ ItemPlaceholderID { System::String ^ get(); void set(System::String ^ value); };
public virtual string ItemPlaceholderID { get; set; }
member this.ItemPlaceholderID : string with get, set
Public Overridable Property ItemPlaceholderID As String

Özellik Değeri

String

Denetimdeki öğe yer tutucusunun ListView kimliği. Varsayılan değer "itemPlaceholder"dır.

Özel durumlar

Belirtilen kimlik null veya boş bir dize.

Örnekler

Aşağıdaki örnekte, denetimin ItemPlaceholderID öğe yer tutucusu için bir kimlik belirtmek üzere özelliğinin nasıl kullanılacağı gösterilmektedir ListView .

<%@ Page language="C#" %>
    
<!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 id="Head1" runat="server">
    <title>ListView GroupContainerID and ItemContainerID Example</title>
    <style type="text/css">
      body
      {
          font: 10pt Trebuchet MS, Arial, Tahoma; 
          text-align: center;
      }
      th { background: #b7cfff; }
      .item
      {
          border: 1px dashed #a4cbf4;
          background: white;
          min-height: 19px;
          width: 33%;
      }
      .alternatingItem
      {
        border: solid 1px #a4cbf4;
        background: #edf5fd;
        width: 33%;
        min-height: 19px;
      }
    </style>
  </head>
  <body>
    <form id="form1" runat="server">

      <h3>ListView GroupContainerID and ItemContainerID Example</h3>
      
      <asp:ListView ID="ContactsListView" 
        DataSourceID="ContactsDataSource"
        GroupItemCount="3"
        GroupPlaceholderID="ContactRowContainer"
        ItemPlaceholderID="ContactItemContainer"
        runat="server">
        <LayoutTemplate>
          <table cellpadding="4" width="640px" runat="server" id="tblContacts">
            <tr runat="server">
              <th colspan="3" runat="server">Contacts</th>
            </tr>
            <tr runat="server" id="ContactRowContainer" />
          </table>
          <asp:DataPager ID="ContactsDataPager" runat="server" PageSize="30">
            <Fields>
              <asp:NumericPagerField ButtonCount="10" />
            </Fields>
          </asp:DataPager>
        </LayoutTemplate>
        <GroupTemplate>
          <tr runat="server" id="ContactRow">
            <td runat="server" id="ContactItemContainer" />
          </tr>
        </GroupTemplate>
        <ItemTemplate>
          <td class="item" runat="server">
            <asp:Label ID="NameLabel" runat="server" 
              Text='<%# Eval("LastName") + ", " + Eval("FirstName")%>' />
          </td>
        </ItemTemplate>
        <AlternatingItemTemplate>
          <td class="alternatingItem" runat="server">
            <asp:Label ID="NameLabel" runat="server" 
              Text='<%# Eval("LastName") + ", " + Eval("FirstName")%>' />
          </td>
        </AlternatingItemTemplate>
      </asp:ListView>
      
      <!-- This example uses Microsoft SQL Server and connects      -->
      <!-- to the AdventureWorks sample database. Use an ASP.NET    -->
      <!-- expression to retrieve the connection string value       -->
      <!-- from the Web.config file.                                -->      
      <asp:SqlDataSource ID="ContactsDataSource" runat="server" 
        ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
        SelectCommand="SELECT [FirstName], [LastName] 
          FROM Person.Contact ORDER BY [LastName], [FirstName] ">
      </asp:SqlDataSource>

    </form>
  </body>
</html>
<%@ Page language="VB" %>
    
<!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 id="Head1" runat="server">
    <title>ListView GroupContainerID and ItemContainerID Example</title>
    <style type="text/css">
      body
      {
          font: 10pt Trebuchet MS, Arial, Tahoma; 
          text-align: center;
      }
      th { background: #b7cfff; }
      .item
      {
          border: 1px dashed #a4cbf4;
          background: white;
          min-height: 19px;
          width: 33%;
      }
      .alternatingItem
      {
        border: solid 1px #a4cbf4;
        background: #edf5fd;
        width: 33%;
        min-height: 19px;
      }
    </style>
  </head>
  <body>
    <form id="form1" runat="server">

      <h3>ListView GroupContainerID and ItemContainerID Example</h3>
      
      <asp:ListView ID="ContactsListView" 
        DataSourceID="ContactsDataSource"
        GroupItemCount="3"
        GroupPlaceholderID="ContactRowContainer"
        ItemPlaceholderID="ContactItemContainer"
        runat="server">
        <LayoutTemplate>
          <table cellpadding="4" width="640px" runat="server" id="tblContacts">
            <tr id="Tr1" runat="server">
              <th id="Th1" colspan="3" runat="server">Contacts</th>
            </tr>
            <tr runat="server" id="ContactRowContainer" />
          </table>
          <asp:DataPager ID="ContactsDataPager" runat="server" PageSize="30">
            <Fields>
              <asp:NumericPagerField ButtonCount="10" />
            </Fields>
          </asp:DataPager>
        </LayoutTemplate>
        <GroupTemplate>
          <tr runat="server" id="ContactRow">
            <td runat="server" id="ContactItemContainer" />
          </tr>
        </GroupTemplate>
        <ItemTemplate>
          <td id="Td1" class="item" runat="server">
            <asp:Label ID="NameLabel" runat="server" 
              Text='<%# Eval("LastName") & ", " & Eval("FirstName")%>' />
          </td>
        </ItemTemplate>
        <AlternatingItemTemplate>
          <td id="Td2" class="alternatingItem" runat="server">
            <asp:Label ID="NameLabel" runat="server" 
              Text='<%# Eval("LastName") & ", " & Eval("FirstName")%>' />
          </td>
        </AlternatingItemTemplate>
      </asp:ListView>
      
      <!-- This example uses Microsoft SQL Server and connects      -->
      <!-- to the AdventureWorks sample database. Use an ASP.NET    -->
      <!-- expression to retrieve the connection string value       -->
      <!-- from the Web.config file.                                -->      
      <asp:SqlDataSource ID="ContactsDataSource" runat="server" 
        ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
        SelectCommand="SELECT [FirstName], [LastName] 
          FROM Person.Contact ORDER BY [LastName], [FirstName] ">
      </asp:SqlDataSource>

    </form>
  </body>
</html>

Açıklamalar

Öğe yer tutucusu ItemPlaceholderID için bir kimlik belirtmek için özelliğini kullanın. Öğe yer tutucusu, öğenin işleneceği yeri göstermek için şablona GroupTemplate (grup kullanmıyorsanız) veya şablona (grup kullanıyorsanız) eklediğiniz LayoutTemplate denetimdir.

Şunlara uygulanır

Ayrıca bkz.