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HttpCapabilitiesBase.W3CDomVersion Proprietà

  • Riferimento

Definizione

Spazio dei nomi:
System.Web.Configuration
Assembly:
System.Web.dll

Ottiene la versione del modello DOM (Document Object Model) XML del World Wide Web Consortium (W3C) supportata dal browser.

public:
 property Version ^ W3CDomVersion { Version ^ get(); };
public Version W3CDomVersion { get; }
member this.W3CDomVersion : Version
Public ReadOnly Property W3CDomVersion As Version

Valore della proprietà

Version

Numero della versione del modello DOM XML W3C supportata dal browser.

Esempio

Nell'esempio di codice seguente viene illustrato come determinare se la versione DOM XML W3C del browser è maggiore di 1.

<%@ 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).W3CDomVersion.Major > 1)
        {
            labelText = "W3C DOM version is greater than 1.";
        }
        else
        {
            labelText = "W3C DOM version is less than or equal to 1.";
        }

        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)).W3CDomVersion.Major > 1 Then
            labelText = "W3C DOM version is greater than 1."
        Else
            labelText = "W3C DOM version is less than or equal to 1."
        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>

Si applica a