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HttpCapabilitiesBase.RequiresPhoneNumbersAsPlainText Property

Gets a value indicating whether the browser supports phone dialing based on plain text, or whether it requires special markup.

Namespace:  System.Web.Configuration
Assembly:  System.Web (in System.Web.dll)

public virtual bool RequiresPhoneNumbersAsPlainText { get; }

Property Value

Type: System.Boolean
true if the browser supports phone dialing based on plain text only; otherwise, false. The default is false.

The RequiresPhoneNumbersAsPlainText property applies only to browsers for which the CanInitiateVoiceCall property is true.

The following code example shows how to determine whether the browser supports phone dialing based on plain text, or whether it requires special markup.

<%@ 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).RequiresPhoneNumbersAsPlainText)
        {
            labelText = "Browser supports phone dialing based on plain text.";
        }
        else
        {
            labelText = "Browser does not support phone dialing based on plain text.";
        }

        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>

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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