/// <summary>
        /// 添加数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ToolStripButton3_Click(object sender, EventArgs e)
        {
            ItemDataWindow dataItem = new ItemDataWindow();

            dataItem.Text = "本地数据库-【添加数据】";
            dataItem.ShowDialog();

            LoadData();
            dataGridView1.CurrentCell = dataGridView1.Rows[dataGridView1.Rows.Count - 1].Cells[1];
        }
        /// <summary>
        /// 编辑数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ToolStripButton1_Click(object sender, EventArgs e)
        {
            int            rowindex = dataGridView1.CurrentCell.RowIndex;
            ItemDataWindow dataItem = new ItemDataWindow();

            dataItem.UpdataUi(int.Parse(dataGridView1.Rows[rowindex].Cells[0].Value.ToString()));
            dataItem.Text = "本地数据库-【编辑数据】";
            dataItem.ShowDialog();

            LoadData();
            dataGridView1.CurrentCell = dataGridView1.Rows[rowindex].Cells[1];
        }