使用到的对象：
1、  DataGridView: dataGridView1
2、  BindingNavigator: bindingNavigator1(自带添加按钮btnAdd、删除按钮btnDelete)
3、  ToolStripButton: btnCancelEdit(添加到bindingNavigator1之中)
使用到的事件：
/// <summary>/// 单元格的值改编后，执行更新、或插入操作；/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void dataGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e){//如果关键字段"type"，说明是在编辑新行的其它字段的值，不需要做如何操作；string typeTemp = dataGridView1.Rows[e.RowIndex].Cells["type"].FormattedValue.ToString();if (typeTemp == null || typeTemp.Trim().Length == 0) return;//string sqlStr = "select count(*) from Coupler where type='"+dataGridView1[0, e.RowIndex].FormattedValue.ToString() + "' ";if (ClsDataBaseOperator.execteCount(sqlStr) < 1){sqlStr = "insert into Coupler(type) values('" +dataGridView1[0, e.RowIndex].FormattedValue.ToString() + "')";ClsDataBaseOperator.executeGetLines(sqlStr);}else{sqlStr = "update Coupler set type='" + dataGridView1[0, e.RowIndex].FormattedValue.ToString() +"', PHS1900=" + dataGridView1.Rows[e.RowIndex].Cells["PHS1900"].FormattedValue.ToString() +", DCS1800=" + dataGridView1.Rows[e.RowIndex].Cells["DCS1800"].FormattedValue.ToString() +", GSM900=" + dataGridView1.Rows[e.RowIndex].Cells["GSM900"].FormattedValue.ToString() +", CDMA800=" + dataGridView1.Rows[e.RowIndex].Cells["CDMA800"].FormattedValue.ToString() +", other=" + dataGridView1.Rows[e.RowIndex].Cells["other"].FormattedValue.ToString() +", IsDefault=" + dataGridView1.Rows[e.RowIndex].Cells["IsDefault"].FormattedValue.ToString() + " where type='" + dataGridView1[0, e.RowIndex].FormattedValue.ToString() + "'";ClsDataBaseOperator.executeGetLines(sqlStr);}}/// <summary>/// 当有单元格进入编辑状态时，需要打开“撤销编辑”按钮的可点击状态；/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void dataGridView1_CellBeginEdit(object sender, DataGridViewCellCancelEventArgs e){this.btnCancelEdit.Enabled = true;}/// <summary>/// 删除一条记录，删除表格的的当前行，并更新数据库；/// btnDelete为navigator自带的按钮，需要添加下面事件；/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnDelete_Click(object sender, EventArgs e){dataGridView1.Rows.Remove(dataGridView1.CurrentRow);string sqlStr = "delete from Coupler where type='" +dataGridView1.CurrentRow.Cells["type"].FormattedValue.ToString() + "' ";}/// <summary>/// 撤销修改/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnEdit_Click(object sender, EventArgs e){dataGridView1.CancelEdit();dataGridView1.EndEdit();}/// <summary>/// 添加新的一行；/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnAdd_Click(object sender, EventArgs e){dataGridView1.CurrentRow.Cells["PHS1900"].Value = "0";dataGridView1.CurrentRow.Cells["DCS1800"].Value = "0";dataGridView1.CurrentRow.Cells["GSM900"].Value = "0";dataGridView1.CurrentRow.Cells["CDMA800"].Value = "0";dataGridView1.CurrentRow.Cells["other"].Value = "0";dataGridView1.CurrentRow.Cells["type"].Selected = true;dataGridView1.CurrentCell = dataGridView1.CurrentRow.Cells["type"];}