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ASP.NET MediaPlayer Control and Install Silverlight Prompt

I posted the following in Visual Studio Development Tools before I noticed the bug report forum. I apologize for the multiple postings.

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I just wanted to mention that when using the ASP.NET MediaPlayer wrapper tool, it does not display the Install Silverlight prompt if the Silverlight version is not installed in the browser.

To workaround this situation, I added an instance of the ASP.NET Silverlight wrapper control at the top of the page, with the width and height set to 0. This forces the Install Silverlight prompt to display when required. Not a major problem but I wanted to mentioned it, as to appears to be a bug in the MediaPlayer control.

Also, I noticed that the Silverlight control does not require a hyperlink in the Not Installed Template to display the prompt. Is hardwiring that link in the dll wise, considering the link may change in the future?

Re: ASP.NET MediaPlayer Control and Install Silverlight Prompt

Well, I have an interesting update on this.

In order to check the Not Installed functionality, I was following Tim Heuer's suggestion of disabling the Silverlight plugin in the browser. When you do that, for some reason the MediaPlayer control does not insert the Install Silverlight prompt, but the Sliverlight control does insert the prompt.

If you completely uninstall Silverlight, however, the MediaPlayer control works properly, showing the Not Installed prompt.

So, I suppose the lesson here is always completely uninstall Silverlight when checking whether the Not Installed functionality is working properly.

Re: ASP.NET MediaPlayer Control and Install Silverlight Prompt

Hi Fchateau,

It has not been fixed now. However, we can use javascript to get the Silverlight plug-in and then get its version. Below is a sample.

<%@ Page Language="c#" AutoEventWireup="true" %>

<%@ Register Assembly="System.Web.Silverlight" Namespace="System.Web.UI.SilverlightControls"
    TagPrefix="asp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" style="height:100%;">
<head runat="server">
    <title>Test Page For CalendarStyle</title>
    <script src="Silverlight.js" type="text/javascript"></script>
    <script type="text/javascript" language ="javascript">
        function test(){
            var version = "2.0.30523.8"; 
            var isInstalled = Silverlight.isInstalled(version);
            if(isInstalled) alert("Silverlight has been installed");
            else alert("not installed!");
        }
    </script>
</head>
<body style="height:100%;margin:0;">
    <form id="form1" runat="server" style="height:100%;">
        <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
        <div  style="height:100%;">
            <asp:Silverlight ID="Xaml1" runat="server" Source="~/ClientBin/CalendarStyle.xap" MinimumVersion="2.0.30523" Width="100%" Height="100%"  OnPluginLoaded="test"/>
        </div>
    </form>
</body>
</html>

Best regards,

Jonathan