java Script error in IE browser

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C#

Javascript

Please Help me in solving the below error...

I am using the following code for Confirming and direct to some page. when i click on link in the data gird. here is my code..

hdnMakerName.Value = e.Item.Cells[5].Text.ToString();  
Session["Expn_ID"] = e.Item.Cells[0].Text.Trim();
lnkCreateExpn.Attributes.Add("onclick","return ConfirmRedirect('" + TempString + "');");

if(true)
{

    Response.Write("<script language=javascript type=text/javascript>window.opener.location.href='CreateException.aspx';self.close();</script>");
    //Response.Redirect("CreateException.aspx",false);
}
else
{
    //return false;
}

when i am running this code in Crome it is working fine but When I am using IE it is schowing following error..

Microsoft JScript runtime error: 'window.opener.location' is null or not an object

Plz Help me to solve this problem.