private void MostrarListadoEmpleados()
        {
            DataTable dt = new DataTable();

            dt = E.ListadoEmpleados();
            dataGridView1.Rows.Clear();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                dataGridView1.Rows.Add(dt.Rows[i][0]);
                dataGridView1.Rows[i].Cells[0].Value = dt.Rows[i][0].ToString();
                dataGridView1.Rows[i].Cells[1].Value = dt.Rows[i][1].ToString();
                dataGridView1.Rows[i].Cells[2].Value = dt.Rows[i][2].ToString();
                dataGridView1.Rows[i].Cells[3].Value = dt.Rows[i][3].ToString();
                dataGridView1.Rows[i].Cells[4].Value = dt.Rows[i][4].ToString();
                dataGridView1.Rows[i].Cells[5].Value = dt.Rows[i][5].ToString();

                dataGridView1.ClearSelection();
            }
        }
        private void MostrarListadoEmpleados()
        {
            DataTable dt = new DataTable();

            dt = E.ListadoEmpleados();
            dataGridView1.Rows.Clear();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                dataGridView1.Rows.Add(dt.Rows[i][0]);
                dataGridView1.Rows[i].Cells[0].Value = dt.Rows[i][0].ToString();
                dataGridView1.Rows[i].Cells[1].Value = dt.Rows[i][1].ToString();
                dataGridView1.Rows[i].Cells[2].Value = dt.Rows[i][2].ToString();
                dataGridView1.Rows[i].Cells[3].Value = dt.Rows[i][3].ToString();
                dataGridView1.Rows[i].Cells[4].Value = dt.Rows[i][4].ToString();
                dataGridView1.Rows[i].Cells[5].Value = dt.Rows[i][5].ToString();
                dataGridView1.Rows[i].Cells[6].Value = Convert.ToDateTime(dt.Rows[i][6].ToString()).ToShortDateString();
                dataGridView1.Rows[i].Cells[7].Value = dt.Rows[i][7].ToString();
                dataGridView1.Rows[i].Cells[8].Value = dt.Rows[i][8].ToString();
                dataGridView1.Rows[i].Cells[9].Value = dt.Rows[i][9].ToString();
            }
            dataGridView1.ClearSelection();
        }