PagerSettings.Visible Propriedade

Referência

Definição

Namespace:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Importante

Algumas informações se referem a produtos de pré-lançamento que podem ser substancialmente modificados antes do lançamento. A Microsoft não oferece garantias, expressas ou implícitas, das informações aqui fornecidas.

Obtém ou define um valor que indica se os controles de paginação são exibidos em um controle que dá suporte à paginação.

public:
 property bool Visible { bool get(); void set(bool value); };

public bool Visible { get; set; }

member this.Visible : bool with get, set

Public Property Visible As Boolean

Valor da propriedade

Boolean

true para exibir o pager; caso contrário, false. O padrão é true.

Exemplos

O exemplo de código a seguir demonstra como usar a Visible propriedade para ocultar a linha do pager quando um GridView controle está no modo de edição.


<%@ 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">

  void CustomerGridView_RowEditing(Object sender, GridViewEditEventArgs e)
  {
    // Hide the pager row.
    CustomerGridView.PagerSettings.Visible = false;
  }

  void CustomerGridView_RowCommand(Object sender, GridViewCommandEventArgs e)
  {
    if (e.CommandName == "Cancel" || e.CommandName == "Update")
    {
      // Show the pager row.
      CustomerGridView.PagerSettings.Visible = true;
    }
  }
  
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>PagerSetting Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>PagerSetting Example</h3>
                       
        <asp:gridview id="CustomerGridView"
          datasourceid="CustomerDataSource"
          autogeneratecolumns="true"
          datakeynames="CustomerID"  
          allowpaging="true"
          autogenerateeditbutton="true"
          onrowediting="CustomerGridView_RowEditing"
          onrowcommand="CustomerGridView_RowCommand"   
          runat="server">
          
          <pagersettings mode="NextPreviousFirstLast"
            firstpagetext="First"
            lastpagetext="Last"
            nextpagetext="Next"
            previouspagetext="Prev"   
            position="Bottom"/> 
            
        </asp:gridview>
        
        <br/>
        
        <asp:label id="MessageLabel"
          forecolor="Red"
          runat="server"/>
            
        <!-- 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="CustomerDataSource"
          selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
          updatecommand="Update [Customers] Set [CompanyName]=@CompanyName, [Address]=@Address, [City]=@City, [PostalCode]=@PostalCode, [Country]=@Country Where [CustomerID]=@CustomerID" 
          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">
<script runat="server">

  Sub CustomerGridView_RowEditing(ByVal sender As Object, ByVal e As GridViewEditEventArgs) Handles CustomerGridView.RowEditing

    ' Hide the pager row.
    CustomerGridView.PagerSettings.Visible = False
    
  End Sub

  Sub CustomerGridView_RowCommand(ByVal sender As Object, ByVal e As GridViewCommandEventArgs) Handles CustomerGridView.RowCommand
  
    If e.CommandName = "Cancel" Or e.CommandName = "Update" Then
    
      ' Show the pager row.
      CustomerGridView.PagerSettings.Visible = True
      
    End If
      
  End Sub
  
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>PagerSetting Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>PagerSetting Example</h3>
                       
        <asp:gridview id="CustomerGridView"
          datasourceid="CustomerDataSource"
          autogeneratecolumns="true"
          datakeynames="CustomerID"  
          allowpaging="true"
          autogenerateeditbutton="true" 
          runat="server">
          
          <pagersettings mode="NextPreviousFirstLast"
            firstpagetext="First"
            lastpagetext="Last"
            nextpagetext="Next"
            previouspagetext="Prev"   
            position="Bottom"/> 
            
        </asp:gridview>
        
        <br/>
        
        <asp:label id="MessageLabel"
          forecolor="Red"
          runat="server"/>
            
        <!-- 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="CustomerDataSource"
          selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
          updatecommand="Update [Customers] Set [CompanyName]=@CompanyName, [Address]=@Address, [City]=@City, [PostalCode]=@PostalCode, [Country]=@Country Where [CustomerID]=@CustomerID" 
          connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
          runat="server"/>
            
      </form>
  </body>
</html>

Comentários

Use a Visible propriedade para especificar se os controles de paginação são exibidos em um controle que dá suporte à paginação. Para ocultar os controles de paginação, defina a Visible propriedade como false.

O valor dessa propriedade é armazenado no estado de exibição.

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