<script language="JavaScript" type="text/javascript">

        function ConfirmBack(a, b) {

            window.opener.document.getElementById('<%= Request["qid1"] %>').value = a;
            window.opener.document.getElementById('<%= Request["qid2"] %>').value = b;

            window.close();

        }
    </script>

    protected void gvDetail_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                string x = e.Row.Cells[0].Text;
                
                e.Row.Attributes.Add("OnDblClick", "ConfirmBack('" + e.Row.Cells[0].Text + "','" + e.Row.Cells[1].Text + "')");
            }
        }

protected void btnOK_Click(object sender, EventArgs e)
        {
            foreach (GridViewRow GR in this.gvDetail.Rows)
            {
                CheckBox CB = (CheckBox)GR.FindControl("CheckBox1");
                if (CB.Checked)
                {
                    ids = ids + GR.Cells[1].Text + ","; ;
                    names = names + GR.Cells[2].Text + ",";
                }
            }
      //注：以上正确的取得了值

            Response.Write("<script language=javascript>ConfirmBack('" + ids + "','" + names + "')</script>");

}