c#datagridview

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//保证显示当前活动单元格this.Invoke(new Action(() =>{ dataGridView1.CurrentCell = dataGridView1.Rows[index].Cells[0]; }));

//添加新行index=dataGridView1.Rows.Add();
dataGridView1.Rows[index].Cells[0].Value = (index+1).ToString();//添加内容dataGridView1.Rows[index].Cells[1].Value = ip;//添加内容dataGridView1.Rows[index].Cells[2].Value = DateTime.Now.ToString("yyyy/MM/dd hh:mm:ss"); //添加内容

 //表头自动序号private void dataGridView1_RowPostPaint_1(object sender, DataGridViewRowPostPaintEventArgs e)        {            SolidBrush b = new SolidBrush(this.dataGridView1.RowHeadersDefaultCellStyle.ForeColor);            e.Graphics.DrawString((e.RowIndex + 1).ToString(System.Globalization.CultureInfo.CurrentUICulture), this.dataGridView1.DefaultCellStyle.Font, b, e.RowBounds.Location.X, e.RowBounds.Location.Y + 4);        }

        /// <summary>        /// datagridview清除排序列表        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void 清除排序列表ToolStripMenuItem1_Click(object sender, EventArgs e)        {            foreach (DataGridViewColumn column in dataGridView1.Columns)            {                column.SortMode = DataGridViewColumnSortMode.NotSortable;                column.SortMode = DataGridViewColumnSortMode.Automatic;            }         }

        private void dataGridView1_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e)        {            try            {                //鼠标右键弹出菜单                if (e.Button == MouseButtons.Right)                {                    if (e.RowIndex >= 0)                    {                        //若行已是选中状态就不再进行设置                        if (dataGridView1.Rows[e.RowIndex].Selected == false)                        {                            dataGridView1.ClearSelection();                            dataGridView1.Rows[e.RowIndex].Selected = true;                        }                        //只选中一行时设置活动单元格                        if (dataGridView1.SelectedRows.Count == 1)                        {                            dataGridView1.CurrentCell = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];                        }                        //弹出操作菜单                        contextMenuStrip1.Show(MousePosition.X, MousePosition.Y);                    }                }            }            catch            {            }        }

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