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Tip: How to pass initialize parameters to Silverlight application using <object> element?

(1 votes)
Denislav Savkov
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Denislav Savkov
Joined Feb 11, 2008
Articles:   14
Comments:   6
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3 comments   /   posted on Aug 29, 2008
Tags:   denislav-savkov
Categories:   Line-of-Business , General

If you want to pass initialize parameters to Silverlight application from an HTML/ASPX page, you have to find the place where your Silverlight control is inserted into the page using the <object> element and insert the bold line bellow.

HTML

<object data="data:application/x-silverlight," type="application/x-silverlight-2-b2" width="100%" height="100%"> 
    ...
    <param name="initParams" value="param1=value1,param2=value2" />
    ...
</object>

As you can see you have to insert one new element <param name="initParams" value="parameters"/> as a child of the <object> element. The syntax for parameters definition is pretty straightforward - you just have to enumerate all parameters and their values separated by commas like this: "parameter1=value1,parameter2=value2,parameter3=value3". Once the initialize parameters have been defined, you can obtain them in your application startup event handler using the InitParams property of the StartupEventArgs like this:

C#

private void Application_Startup( object sender, StartupEventArgs e )
{
    //... Other code here ...
    string param1Value = e.InitParams[ "param1" ];
}

That's it!

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Comments

  • -_-

    RE: Tip: How to pass initialize parameters to Silverlight application using element?
    posted by Dan on Nov 03, 2009 23:47
    How can I programatically change the values of param1 if the <object> that is hosting the SL control is part of a ASP.NET user control?
  • -_-

    RE: Tip: How to pass initialize parameters to Silverlight application using element?
    posted by TheOtherDan on Jun 03, 2010 17:31
    Has the above Dan's question been answered?
  • -_-

    RE: Tip: How to pass initialize parameters to Silverlight application using element?
    posted by Nishikant Kotgire on Jul 09, 2010 14:40

    I want to add InitParams dynamically from the code behind file. Is it possible? If yes, how to achieve this?

     Thanks in advance.

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