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RegisterStartupScript + AJAX

When coding within ASP.NET (C#), there is no way to “open in a new window” for a page.  You can use Response.Write to “move” to another page, but can’t actually do it unless you use “client-side” JavaScript.

And so, you need to “inject” some JavaScript into the ASP.NET page, using the RegisterStartupScript command (see the following syntax). 

This is good for any server-side validation prior to opening the page :

    string sUrl = @"http:\\www.grumpywookie.com\";

    string openScript = "window.open('{0}', '{1}', 'resizable=yes,width=1024,height=768');"

    Page.ClientScript.RegisterStartupScript(typeof(String), "New Window", string.Format(openScript, strURL, "ReportViewer"), true);

    This will open a new browser window – using www.grumpywookie.com – as an example.

BUT – I was finding that my page wasn’t being re-directed, and not sure why.   I was a bit susipcious of the “AJAX” (Atlas) updatepanel on the page, within the Master page. 

The whole “partial postback” of a page might explain why there is no “startup script” being fired.

And – sure enough – you need to use the “AJAX” ScriptManager instead – see below :

    string sUrl = @"http:\\www.grumpywookie.com\";

    string openScript = "window.open('{0}', '{1}', 'resizable=yes,width=1024,height=768');"

    ScriptManager.RegisterStartupScript(this, typeof(String), "New Window", string.Format(openScript, strURL, "ReportViewer"), true);

The only code change is highlighted in RED – and now works for any script blocks within an AJAX UpdatePanel.

*damn ajax* 🙂

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One Response

  1. thank you so much. I have solved my problem but i need to open multiple window in the same page content. Please help me. Thank.

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