DataPager.PageSize DataPager.PageSize DataPager.PageSize DataPager.PageSize Property

定義

取得或設定每個資料頁上顯示的資料錄筆數。Gets or sets the number of records that are displayed for each page of data.

public:
 property int PageSize { int get(); void set(int value); };
[System.Web.WebCategory("Paging")]
public int PageSize { get; set; }
member this.PageSize : int with get, set
Public Property PageSize As Integer

屬性值

每個資料頁上顯示的資料錄筆數。The number of records that are displayed for each page of data. 預設值為 10。The default is 10.

例外狀況

PageSize 屬性會設定為小於 1 的值。The PageSize property is set to a value less than 1.

範例

下列範例顯示如何以宣告方式設定PageSize DataPager控制項中的屬性, 以及如何動態變更其值。The following example shows how to declaratively set the PageSize property in a DataPager control and how to dynamically change its value.

<%@ Page language="C#" %>
    
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

  protected void ResultsList_SelectedIndexChanged(object sender, EventArgs e)
  {
    // Set the page size with the value
    // selected in the DropDownList object
    VendorsDataPager.PageSize = Convert.ToInt32(ResultsList.SelectedValue);
  }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head id="Head1" runat="server">
    <title>DataPager PageSize Example</title>
</head>
<body>
    <form id="form1" runat="server">
      
      <h3>DataPager PageSize Example</h3>
      
      <table border="0" width="640px">
        <tr>
          <td align="left">
            <asp:Label id="ResultsLabel" runat="server" 
              AssociatedControlID="ResultsList" Text="Results per page:" />            
            <asp:DropDownList runat="server" id="ResultsList" 
              OnSelectedIndexChanged="ResultsList_SelectedIndexChanged" AutoPostBack="true">              
              <asp:ListItem Value="10"  />
              <asp:ListItem Value="15" Selected="True" />
              <asp:ListItem Value="20" />
            </asp:DropDownList>
          </td>
          <td align="right">
            <asp:DataPager ID="VendorsDataPager" runat="server" 
              PagedControlID="VendorsListView" PageSize="15">
              <Fields>
                <asp:NumericPagerField />
              </Fields>
            </asp:DataPager>          
          </td>
        </tr>
      </table>
      <br />
      
      <asp:ListView ID="VendorsListView" 
        DataSourceID="VendorsDataSource"
        runat="server">
        <LayoutTemplate>
          <table cellpadding="2" width="640px">
              <tr runat="server" id="itemPlaceholder"></tr>
          </table>
        </LayoutTemplate>
        <ItemTemplate>
          <tr runat="server">
            <td>
              <asp:Label ID="VendorIDLabel" runat="server" Text='<%# Eval("VendorID") %>' />
            </td>
            <td>
              <asp:Label ID="AccountNumberLabel" runat="server" Text='<%# Eval("AccountNumber") %>' />
            </td>
            <td>
              <asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' />
            </td>
            <td align="center">
              <asp:CheckBox ID="PreferredCheckBox" runat="server" 
                Checked='<%# Eval("PreferredVendorStatus") %>' Enabled="False" />
            </td>
          </tr>
        </ItemTemplate>
      </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="VendorsDataSource" runat="server" 
        ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"            
        SelectCommand="SELECT VendorID, AccountNumber, Name, PreferredVendorStatus 
          FROM Purchasing.Vendor WHERE (ActiveFlag = 1)" >
      </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">

<script runat="server">

  Protected Sub ResultsList_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) 

    ' Set the page size with the value
    ' selected in the DropDownList object  
    VendorsDataPager.PageSize = Convert.ToInt32(ResultsList.SelectedValue)
    
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head id="Head1" runat="server">
    <title>DataPager PageSize Example</title>
</head>
<body>
    <form id="form1" runat="server">
      
      <h3>DataPager PageSize Example</h3>
      
      <table border="0" width="640px">
        <tr>
          <td align="left">
            <asp:Label id="ResultsLabel" runat="server" 
              AssociatedControlID="ResultsList" Text="Results per page:" />            
            <asp:DropDownList runat="server" id="ResultsList" 
              OnSelectedIndexChanged="ResultsList_SelectedIndexChanged" AutoPostBack="true">              
              <asp:ListItem Value="10"  />
              <asp:ListItem Value="15" Selected="True" />
              <asp:ListItem Value="20" />
            </asp:DropDownList>
          </td>
          <td align="right">
            <asp:DataPager ID="VendorsDataPager" runat="server" 
              PagedControlID="VendorsListView" PageSize="15">
              <Fields>
                <asp:NumericPagerField />
              </Fields>
            </asp:DataPager>          
          </td>
        </tr>
      </table>
      <br />
      
      <asp:ListView ID="VendorsListView" 
        DataSourceID="VendorsDataSource"
        runat="server">
        <LayoutTemplate>
          <table cellpadding="2" width="640px">
              <tr runat="server" id="itemPlaceholder"></tr>
          </table>
        </LayoutTemplate>
        <ItemTemplate>
          <tr runat="server">
            <td>
              <asp:Label ID="VendorIDLabel" runat="server" Text='<%# Eval("VendorID") %>' />
            </td>
            <td>
              <asp:Label ID="AccountNumberLabel" runat="server" Text='<%# Eval("AccountNumber") %>' />
            </td>
            <td>
              <asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' />
            </td>
            <td align="center">
              <asp:CheckBox ID="PreferredCheckBox" runat="server" 
                Checked='<%# Eval("PreferredVendorStatus") %>' Enabled="False" />
            </td>
          </tr>
        </ItemTemplate>
      </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="VendorsDataSource" runat="server" 
        ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"            
        SelectCommand="SELECT VendorID, AccountNumber, Name, PreferredVendorStatus 
          FROM Purchasing.Vendor WHERE (ActiveFlag = 1)" >
      </asp:SqlDataSource>
    </form>
  </body>
</html>

備註

PageSize使用屬性來指定資料頁的大小。Use the PageSize property to specify the size of a page of data.

如果您的頁面DataPager中有多個控制項系結至相同ListView的控制項, 請務必將這些控制項PageSize的屬性設定為相同的值。If you have multiple DataPager controls in a page that are bound to the same ListView control, be sure to set the PageSize property of these controls to the same value. 如果控制項設定為使用不同的頁面大小, 則最後一個DataPager要初始化的控制項會決定ListView控制項的實際頁面大小。 DataPagerIf the DataPager controls are set to use different page sizes, the last DataPager control to be initialized determines the actual page size of the ListView control.

適用於

另請參閱