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Editorial Team
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Asked: 2026-05-26T17:27:26+00:00

Response.Write(<script language=’javascript’>alert(window.opener.location.pathname); if(window.opener.location.pathname.toString() == \/page.aspx\){window.opener.document.forms[0].submit();}</script>); This works in Chrome, but in IE I get

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 Response.Write("<script language='javascript'>alert(window.opener.location.pathname); if(window.opener.location.pathname.toString() == \"/page.aspx\"){window.opener.document.forms[0].submit();}</script>");

This works in Chrome, but in IE I get a mass javascript runtime error saying location is null, seems its somehting to do with opener.

What is the equivalent in IE?

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1 Answer

  1. Editorial Team

    You should never use Response.Write to add JavaScript to the page. View the page source and you will see that the script is added before any of the HTML markup on the page. That is bad.

    You should be using RegisterStartUpScript.

    ClientScriptManager cs = Page.ClientScript;
Type cstype = this.GetType();
String cstext1 = "alert(window.opener.location.pathname);";
cs.RegisterStartupScript(cstype, "alert", cstext1, true);
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