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HttpCapabilitiesBase.RequiresLeadingPageBreak Propiedad

Definición

Obtiene un valor que indica si el explorador requiere que el primer elemento del cuerpo de una página Web sea un elemento <br> de HTML.

public:
 virtual property bool RequiresLeadingPageBreak { bool get(); };
public virtual bool RequiresLeadingPageBreak { get; }
member this.RequiresLeadingPageBreak : bool
Public Overridable ReadOnly Property RequiresLeadingPageBreak As Boolean

Valor de propiedad

true si el explorador requiere que el primer elemento del cuerpo de una página web sea un elemento HTML BR; en caso contrario, false. De manera predeterminada, es false.

Ejemplos

En el ejemplo de código siguiente se muestra cómo determinar si el explorador requiere que el primer elemento del cuerpo de una página web sea un elemento HTML <br> .

<%@ 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 Page_Load(Object Sender, EventArgs e)
    {
        CheckBrowserCaps();
    }

    void CheckBrowserCaps()
    {
        String labelText = "";
        System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
        if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).RequiresLeadingPageBreak)
        {
            labelText = "Browser requires that the first element in the body of a web page be an HTML BR element.";
        }
        else
        {
            labelText = "Browser does not require that the first element in the body of a web page be an HTML BR element.";
        }

        Label1.Text = labelText;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Browser Capabilities Sample</title>
</head>
<body>
    <form runat="server" id="form1">
        <div>
            Browser Capabilities:
            <p/><asp:Label ID="Label1" Runat="server" />
        </div>
    </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 Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        CheckBrowserCaps()
    End Sub

    Function CheckBrowserCaps()

        Dim labelText As String = ""
        Dim myBrowserCaps As System.Web.HttpBrowserCapabilities = Request.Browser
        If (CType(myBrowserCaps, System.Web.Configuration.HttpCapabilitiesBase)).RequiresLeadingPageBreak Then
            labelText = "Browser requires that the first element in the body of a web page be an HTML BR element."
        Else
            labelText = "Browser does not require that the first element in the body of a web page be an HTML BR element."
        End If

        Label1.Text = labelText

    End Function 'CheckBrowserCaps
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Browser Capabilities Sample</title>
</head>
<body>
    <form runat="server" id="form1">
        <div>
            Browser Capabilities:
            <p/><asp:Label ID="Label1" Runat="server" />
        </div>
    </form>
</body>
</html>

Comentarios

Si truees , los adaptadores de control de servidor insertan un elemento adicional <br> inmediatamente después de la <body> etiqueta en una página web.

Se aplica a