javascript子窗口传值给父窗口

 if (this.ListInfoClass.SelectedIndex >= 0)
        {
            if (Request.QueryString["TextID"] != null)
            {
                string strScript = "<script>" + "\r\n";
                strScript += "window.opener.document.form1['" + Request.QueryString["TextID"].ToString() + "'].value='" + this.ListInfoClass .SelectedItem.Text  + "'" + "\r\n";
                strScript += "window.parent.close();" + "\r\n";
                strScript += "</script>" + "\r\n";
                if ((!(IsClientScriptBlockRegistered("clientScript"))))
                {
                    RegisterClientScriptBlock("clientScript", strScript);
                } 
            }
        }
        else
        {
            Response.Write("<script language='javascript'>alert('请选择一个类别');</script>");
        }