共用方式為

HttpCapabilitiesBase.SupportsImageSubmit 屬性

  • 參考

定義

命名空間:
System.Web.Configuration
組件:
System.Web.dll

取得值，指出瀏覽器是否支援使用自訂影像取代標準表單送出按鈕。

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

屬性值

Boolean

如果瀏覽器支援使用自訂影像取代標準表單送出按鈕，則為 true，否則為 false。 預設為 false。

範例

下列程式碼範例示範如何判斷瀏覽器是否支援使用自訂影像取代標準表單 [提交] 按鈕。

<%@ 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).SupportsImageSubmit)
        {
            labelText = "Browser supports using a custom image in place of a standard form submit button.";
        }
        else
        {
            labelText = "Browser does not support using a custom image in place of a standard form submit button.";
        }

        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)).SupportsImageSubmit Then
            labelText = "Browser supports using a custom image in place of a standard form submit button."
        Else
            labelText = "Browser does not support using a custom image in place of a standard form submit button."
        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>

適用於