C# datagridview 去除省略号

//if (this.dataGridView1.Columns[0].Index ==e.ColumnIndex && e.RowIndex >= 0)
            if (true)
            {
                Rectangle newRect = new Rectangle(e.CellBounds.X + 1,
                    e.CellBounds.Y + 1, e.CellBounds.Width - 4,
                    e.CellBounds.Height - 4);
                using (
                    Brush gridBrush = new SolidBrush(this.dataGridView1.GridColor),
                    backColorBrush = new SolidBrush(e.CellStyle.BackColor))
                {
                    using (Pen gridLinePen = new Pen(gridBrush))
                    {
                        // Erase the cell.
                        e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
                        // Draw the grid lines (only the right and bottom lines;
                        // DataGridView takes care of the others).
                        e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left,
                            e.CellBounds.Bottom - 1, e.CellBounds.Right - 1,
                            e.CellBounds.Bottom - 1);
                        e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1,
                            e.CellBounds.Top, e.CellBounds.Right - 1,
                            e.CellBounds.Bottom);
                        // Draw the inset highlight box.
                        //e.Graphics.DrawRectangle(Pens.Blue, newRect);
                        // Draw the text content of the cell, ignoring alignment.
                        if (e.Value != null)
                        {
                            e.Graphics.DrawString((String)e.Value, e.CellStyle.Font,
                                Brushes.Crimson, e.CellBounds.X + 2,
                                e.CellBounds.Y + 2, StringFormat.GenericDefault);
                        }
                        e.Handled = true;
                    }
                }
            }