HttpCapabilitiesBase.SupportsImageSubmit Propiedad

  • Referencia

Definición

Espacio de nombres:
System.Web.Configuration
Ensamblado:
System.Web.dll

Obtiene un valor que indica si el explorador admite el uso de una imagen personalizada en lugar de un botón Enviar estándar para formularios.

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

Valor de propiedad

Boolean

Es true si el explorador admite el uso de una imagen personalizada en lugar de un botón Enviar estándar para formularios; de lo contrario, es false. De manera predeterminada, es false.

Ejemplos

En el ejemplo de código siguiente se muestra cómo determinar si el explorador admite el uso de una imagen personalizada en lugar de un botón Enviar formulario estándar.

<%@ 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>

Se aplica a