string StrSql = "exec proc_PriceReport '" + dgvOrderList.Rows[e.RowIndex].Cells[1].Value.ToString() + "'";                    dt = DbHelper.DbHelperSQL.DataQuery(StrSql).Tables[0];                    DataGridViewButtonColumn btnSave = new DataGridViewButtonColumn();                    //增加按钮列：保存                    btnSave.UseColumnTextForButtonValue = true;                    btnSave.Width = 50;                    btnSave.HeaderText = "------";                    btnSave.Name = "btnWrite";                    btnSave.Text = "保存";                    //增加按钮列：打开图纸                    DataGridViewButtonColumn btnOpen = new DataGridViewButtonColumn();                    btnOpen.UseColumnTextForButtonValue = true;                    btnOpen.Width = 50;                    btnOpen.HeaderText = "----------";                    btnOpen.Name = "btnOpen";                    btnOpen.Text = "    打开图纸    ";                    btnOpen.Width = 100;                                                           this.dgvPartsList.DataSource = dt;                    //判断是否存在该列，存在则移除，避免了每次增加列时出现多个按钮列                    if (this.dgvPartsList.Columns.Contains("btnWrite") == true)                        this.dgvPartsList.Columns.Remove("btnWrite");                    if (this.dgvPartsList.Columns.Contains("btnOpen") == true)                        this.dgvPartsList.Columns.Remove("btnOpen");                        this.dgvPartsList.Columns.Add(btnSave);                        this.dgvPartsList.Columns.Add(btnOpen);