datagridview表头显示及列居中

            string[] hTxt = { "学生ID", "学生姓名", "学生电话", "学生QQ" };
            int[] hWidth = { 90, 80, 120, 100 };
            for (int i = 0; i < hTxt.Length; i++)
            {
                dataGridView1.Columns[i].HeaderText = hTxt[i];
                dataGridView1.Columns[i].Width = hWidth[i];
                dataGridView1.Columns[i].ReadOnly = true;
                dataGridView1.Columns[i].HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;//列标题垂直居中靠右显示
                dataGridView1.Columns[i].SortMode = DataGridViewColumnSortMode.NotSortable;//取消排序
            }
            dataGridView1.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
            dataGridView1.RowsDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;//行的默认模式居中显示
            dataGridView1.DefaultCellStyle.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleCenter;
        }

　　customersDataGridView.Columns["CustomerID"].Visible = false;
    customersDataGridView.Columns["ContactName"].DisplayIndex = 0;
    customersDataGridView.Columns["ContactTitle"].DisplayIndex = 1;
    customersDataGridView.Columns["City"].DisplayIndex = 2;
    customersDataGridView.Columns["Country"].DisplayIndex = 3;

 

dataGridView1.ClearSelection();//清除选择状态
dataGridView1.Rows[dataGridView1.Rows.Count - 2].Selected = true;//定位某行选中
dataGridView1.FirstDisplayedScrollingRowIndex = dataGridView1.Rows.Count - 2;//滚动到某行