private void dgv_XiaoShouChuKuMingXi_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            this.dgv_XiaoShouChuKuMingXi.Controls.Clear();//移除所有控制元件 
            if (e.ColumnIndex.Equals(this.dgv_XiaoShouChuKuMingXi.Columns["出品編碼"].Index))//判斷單元格是否是"出品編碼"列？ 
            {
                System.Windows.Forms.Button btn = new System.Windows.Forms.Button();//建立Buttonbtn 
                btn.Text = "···";//設定button文字 
                btn.Font = new System.Drawing.Font("Arial", 8,FontStyle.Bold);//設定文字格式 
                btn.FlatStyle = FlatStyle.Popup;
                btn.Visible = true;//設定控制元件允許顯示
                btn.Width = this.dgv_XiaoShouChuKuMingXi.GetCellDisplayRectangle(e.ColumnIndex,e.RowIndex, true).Height + 4;//獲取單元格高並設定為btn的寬 
                btn.Height = this.dgv_XiaoShouChuKuMingXi.GetCellDisplayRectangle(e.ColumnIndex,e.RowIndex, true).Height;//獲取單元格高並設定為btn的高
                btn.Click += new EventHandler(btn_Click);//為btn新增單擊事件
                this.dgv_XiaoShouChuKuMingXi.Controls.Add(btn);//dataGridView1中新增控制元件btn
                btn.Location = new System.Drawing.Point(((this.dgv_XiaoShouChuKuMingXi.GetCellDisplayRectangle(e.ColumnIndex, e.RowIndex, true).Right) -
                        (btn.Width)), this.dgv_XiaoShouChuKuMingXi.GetCellDisplayRectangle(e.ColumnIndex, e.RowIndex, true).Y);//設定btn顯示位置 
            }
        }