private void ListTop5Especialidades() { DataTable TablaBonos; TablaBonos = SQL_Methods.Listado_Top5Especialidades(Convert.ToInt32(box_anio.Text), box_from.SelectedIndex + 1); this.dataGridView1.Columns.Clear(); this.dataGridView1.AllowUserToAddRows = false; this.dataGridView1.DataSource = TablaBonos; this.dataGridView1.Visible = true; this.dataGridView1.RowHeadersVisible = false; }