HttpCapabilitiesBase.SupportsImageSubmit Proprietà

Definizione

Ottiene un valore che indica se il browser supporta l'uso di un'immagine personalizzata al posto del pulsante standard di invio del form.Gets a value indicating whether the browser supports using a custom image in place of a standard form Submit button.

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

Valore della proprietà

Boolean

true se il browser supporta l'uso di un'immagine personalizzata al posto del pulsante standard di invio del form; in caso contrario, false.true if the browser supports using a custom image in place of a standard form Submit button; otherwise, false. Il valore predefinito è false.The default is false.

Esempio

Nell'esempio di codice seguente viene illustrato come determinare se il browser supporta l'utilizzo di un'immagine personalizzata al posto di un pulsante di invio in formato standard.The following code example shows how to determine whether the browser supports using a custom image in place of a standard form Submit button.

<%@ 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>

Si applica a