HttpCapabilitiesBase.W3CDomVersion 属性

定义

获取浏览器所支持的万维网联合会 (W3C) XML 文档对象模型 (DOM) 的版本。Gets the version of the World Wide Web Consortium (W3C) XML Document Object Model (DOM) that the browser supports.

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

属性值

Version

浏览器所支持的 W3C XML DOM 的版本号。The number of the W3C XML DOM version number that the browser supports.

示例

下面的代码示例演示如何确定浏览器 W3C XML DOM 的版本是否大于1。The following code example shows how to determine whether the browser W3C XML DOM version is greater than 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>

适用于