HttpCapabilitiesBase.RequiresLeadingPageBreak Proprietà

Definizione

Ottiene un valore che indica se il browser richiede un elemento <br> HTML come primo elemento del corpo di una pagina Web.Gets a value indicating whether the browser requires the first element in the body of a Web page to be an HTML <br> element.

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

Valore della proprietà

Boolean

true se il browser richiede che il primo elemento nel corpo di una pagina Web sia un elemento BR HTML. In caso contrario, false.true if the browser requires the first element in the body of a Web page to be an HTML BR element; otherwise, false. Il valore predefinito è false.The default is false.

Esempio

Nell'esempio di codice seguente viene illustrato come determinare se il browser richiede che il primo elemento nel corpo di una pagina Web sia un <br> elemento HTML.The following code example shows how to determine whether the browser requires the first element in the body of a Web page to be an HTML <br> element.

<%@ 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>

Commenti

Se true , gli adattatori di controllo server inseriscono un <br> elemento aggiuntivo immediatamente successivo al <body> tag in una pagina Web.If true, server-control adapters insert an additional <br> element immediately following the <body> tag in a Web page.

Si applica a