private void cmdNuevo_Click(object sender, EventArgs e)
        {
            Presentacion.FrmTabla objFrmTabla = new Presentacion.FrmTabla(0, false);
            objFrmTabla.ShowDialog();

            this.cargarGrilla();
        }
        private void cmdModificar_Click(object sender, EventArgs e)
        {
            if (dgvPersona.Rows.Count > 0)
            {
                int id = int.Parse(dgvPersona.Rows[dgvPersona.CurrentRow.Index].Cells[0].Value.ToString());
                Presentacion.FrmTabla objFrmTabla = new Presentacion.FrmTabla(id, true);
                objFrmTabla.ShowDialog();

                this.cargarGrilla();
            }
        }