HttpCapabilitiesBase.SupportsImageSubmit Propriété
Définition
Important
Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.
Obtient une valeur indiquant si le navigateur prend en charge l’utilisation d’une image personnalisée au lieu du bouton Envoyer d’un formulaire standard.
public:
virtual property bool SupportsImageSubmit { bool get(); };
public virtual bool SupportsImageSubmit { get; }
member this.SupportsImageSubmit : bool
Public Overridable ReadOnly Property SupportsImageSubmit As Boolean
Valeur de propriété
true
si le navigateur prend en charge l'utilisation d'une image personnalisée au lieu du bouton Envoyer d'un formulaire standard ; sinon, false
. La valeur par défaut est false
.
Exemples
L’exemple de code suivant montre comment déterminer si le navigateur prend en charge l’utilisation d’une image personnalisée à la place d’un bouton Envoyer de formulaire standard.
<%@ 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>