DataPager Konstruktor

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.Extensions.dll

Initialisiert eine neue Instanz der DataPager-Klasse.

public:
 DataPager();
public DataPager();
Public Sub New ()

Beispiele

Das folgende Beispiel zeigt, wie Sie mithilfe des Konstruktors einer Seite dynamisch ein DataPager Steuerelement hinzufügen.

<%@ 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">

  // <Snippet2>
  protected void Page_Load(object sender, EventArgs e)
  {

    // Create a new DataPager object.
    DataPager CountryDataPager = new DataPager();

    // Set the DataPager object's properties.
    CountryDataPager.PagedControlID = CountryListView.ID;
    CountryDataPager.PageSize = 15;
    CountryDataPager.Fields.Add(new NumericPagerField());

    // Add the DataPager object to the Controls collection
    // of the form.
    form1.Controls.Add(CountryDataPager);

    CountryListView.DataBind();
  }
  // </Snippet2>
  
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head id="Head1" runat="server">
    <title>DataPager Constructor Example</title>
  </head>
  <body>
    <form id="form1" runat="server">
      
      <h3>DataPager Constructor Example</h3>

      <asp:ListView ID="CountryListView" 
        DataSourceID="CountryDataSource"
        runat="server">
        <LayoutTemplate>
          <ul runat="server" id="CountryList">
            <li runat="server" id="itemPlaceholder"></li>
          </ul>
        </LayoutTemplate>
        <ItemTemplate>
          <li runat="server">
            <asp:Label runat="server" ID="CountryLabel" 
              Text='<%# Eval("CountryRegionCode") + " - " + Eval("Name") %>' />
          </li>
        </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="CountryDataSource" runat="server" 
        ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
        SelectCommand="SELECT [CountryRegionCode], [Name]
          FROM [Person].[CountryRegion]">
      </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">

  ' <Snippet2>  
  Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
    
    ' Create a new DataPager object.
    Dim CountryDataPager As New DataPager()
        
    ' Set the DataPager object's properties.
    CountryDataPager.PagedControlID = CountryListView.ID
    CountryDataPager.PageSize = 15
    CountryDataPager.Fields.Add(New NumericPagerField())
        
    ' Add the DataPager object to the Controls collection
    ' of the form.
    form1.Controls.Add(CountryDataPager)

    CountryListView.DataBind()
    
  End Sub
  ' </Snippet2>
  
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head id="Head1" runat="server">
    <title>DataPager Constructor Example</title>
  </head>
  <body>
    <form id="form1" runat="server">
      
      <h3>DataPager Constructor Example</h3>

      <asp:ListView ID="CountryListView" 
        DataSourceID="CountryDataSource"
        runat="server">
        <LayoutTemplate>
          <ul runat="server" id="CountryList">
            <li runat="server" id="itemPlaceholder"></li>
          </ul>
        </LayoutTemplate>
        <ItemTemplate>
          <li runat="server">
            <asp:Label runat="server" ID="CountryLabel" 
              Text='<%# Eval("CountryRegionCode") & " - " & Eval("Name") %>' />
          </li>
        </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="CountryDataSource" runat="server" 
        ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
        SelectCommand="SELECT [CountryRegionCode], [Name]
          FROM [Person].[CountryRegion]">
      </asp:SqlDataSource>
    </form>
  </body>
</html>

Hinweise

Um einer Seite dynamisch ein DataPager Steuerelement hinzuzufügen, erstellen Sie ein neues DataPager Objekt. Legen Sie dessen Eigenschaften fest, und fügen Sie es dann der Controls Auflistung eines Containersteuerelements hinzu, z. B. einem PlaceHolder Steuerelement.

Gilt für:

Weitere Informationen