This tutorial will show you how to gather your web browser capabilities using ASP.NET and VB.NET 2.0.
The class of HttpBrowserCapabilities will enable the server to gather information on the capabilities of the browser that is running on the client. Namespace of this class: System.Web .
First, import the namespace of System.Web,
| Import System.Web |
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In order to use the class of HttpBrowserCapabilities, we need initialize an instance of Request.Browser object. Then we can use this class to list IE properties.
| Dim bc As HttpBrowserCapabilities = Request.Browser Label1.Text = "Welcome! You are using" + bc.Browser + "v." + bc.Version + "on a" + bc.Platform + "machine" ActiveControls.Text = bc.ActiveXControls.ToString() |
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The front end Default.aspx page looks something like this:| <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Using Performance Counters</title> </head> <body> <form id="form1" runat="server"> <br /> <asp:Label ID="Label1" runat="server" Width="709px"></asp:Label> <br /> <br /> <asp:Table ID="Table1" runat="server" Height="186px" Width="245px"> <asp:TableRow runat="server"> <asp:TableCell runat="server" Text="Propety" Width="50%" /> <asp:TableCell runat="server" Text="Value" Width="50%" /> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">ActiveControls:</asp:TableCell> <asp:TableCell ID="ActiveControls" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">AOL:</asp:TableCell> <asp:TableCell ID="AOL" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">BackgroundSounds:</asp:TableCell> <asp:TableCell ID="BackgroundSounds" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Beta:</asp:TableCell> <asp:TableCell ID="Beta" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Browser:</asp:TableCell> <asp:TableCell ID="Browser" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">CDF:</asp:TableCell> <asp:TableCell ID="CDF" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Cookies:</asp:TableCell> <asp:TableCell ID="Cookies" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Crawler:</asp:TableCell> <asp:TableCell ID="Crawler" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">EcmaScriptVersion:</asp:TableCell> <asp:TableCell ID="EcmaScriptVersion" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Frames:</asp:TableCell> <asp:TableCell ID="Frames" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">JavaApplets:</asp:TableCell> <asp:TableCell ID="JavaApplets" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Win16:</asp:TableCell> <asp:TableCell ID="win16" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Version:</asp:TableCell> <asp:TableCell ID="Version" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">VBScript:</asp:TableCell> <asp:TableCell ID="VBScript" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Win32:</asp:TableCell> <asp:TableCell ID="win32" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Type:</asp:TableCell> <asp:TableCell ID="Type" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Tables:</asp:TableCell> <asp:TableCell ID="Tables" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">Platform:</asp:TableCell> <asp:TableCell ID="Platform" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">MajorVersion:</asp:TableCell> <asp:TableCell ID="MajorVersion" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">MinorVersion:</asp:TableCell> <asp:TableCell ID="MinorVersion" runat="server"></asp:TableCell> </asp:TableRow> <asp:TableRow runat="server"> <asp:TableCell runat="server">MsDomVersion:</asp:TableCell> <asp:TableCell ID="MsDomVersion" runat="server"></asp:TableCell> </asp:TableRow> </asp:Table> </form> |
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