protected void grvresultado_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                e.Row.Attributes["onclick"] = Page.ClientScript.GetPostBackClientHyperlink(grvresultado, "Select$" + e.Row.RowIndex);
                e.Row.ToolTip = "Ver Detalle";

                GridView gvDetalle = (GridView)e.Row.FindControl("gvDetalle");
                Int32    idCita    = Int32.Parse(grvresultado.DataKeys[e.Row.RowIndex].Values[0].ToString());

                DataSet data = AtencionPeluqueriaBuss.BuscarCitaDetalle(idCita);
                gvDetalle.DataSource = data.Tables[0];
                gvDetalle.DataBind();
            }
        }