GridView.PageSize Proprietà

Definizione

Ottiene o imposta il numero di record da visualizzare in una pagina di un controllo GridView.Gets or sets the number of records to display on a page in a GridView control.

public:
 virtual property int PageSize { int get(); void set(int value); };
public virtual int PageSize { get; set; }
member this.PageSize : int with get, set
Public Overridable Property PageSize As Integer

Valore della proprietà

Il numero di record da visualizzare in una singola pagina.The number of records to display on a single page. Il valore predefinito è 10.The default is 10.

Eccezioni

La proprietà PageSize è impostata su un valore minore di 1.The PageSize property is set to a value less than 1.

Esempi

Nell'esempio seguente viene illustrato come utilizzare la PageSize proprietà per visualizzare 15 record alla volta in un GridView controllo.The following example demonstrates how to use the PageSize property to display 15 records at a time in a GridView control.


<%@ 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 runat="server">
    <title>GridView PageSize Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>GridView PageSize Example</h3>

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSource" 
        autogeneratecolumns="true"
        emptydatatext="No data available." 
        allowpaging="true" 
        pagesize="15"
        runat="server">
                
      </asp:gridview>
            
      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSource"
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
        runat="server"/>
        
    </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 runat="server">
    <title>GridView PageSize Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>GridView PageSize Example</h3>

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSource" 
        autogeneratecolumns="true"
        emptydatatext="No data available." 
        allowpaging="true" 
        pagesize="15"
        runat="server">
                
      </asp:gridview>
            
      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSource"
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
        runat="server"/>
        
    </form>
  </body>
</html>

Commenti

Quando la funzionalità di paging è abilitata (impostando AllowPaging la trueproprietà su), PageSize utilizzare la proprietà per specificare il numero di record da visualizzare in una singola pagina.When the paging feature is enabled (by setting the AllowPaging property to true), use the PageSize property to specify the number of records to display on a single page.

Si applica a

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