private void BindGrid()
{
int totalRows;
int dias = txtCantidadDias.Text == "" ? 0 : Convert.ToInt32(txtCantidadDias.Text);
IGuia guia = GuiaFactory.GetGuia();
SisPackController.AdministrarGrillas.Configurar(this.dtgGuias, "GuiaID", this.CantidadOpciones, true, true);
this.dtgGuias.DataSource = guia.GetReporteGuiaHistorico(dias, nroPagina, this.CantidadOpciones, out totalRows);
this.dtgGuias.CurrentPageIndex = nroPagina;
this.dtgGuias.VirtualItemCount = totalRows;
this.dtgGuias.AllowCustomPaging = true;
this.lblTotal.Text = totalRows.ToString();
this.lblTexto.Visible = true;
this.lblTotal.Visible = true;
this.lblTexto1.Visible = true;
this.dtgGuias.DataBind();
}