#region 绘制        private void dataGridView_main_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)        {            int status_column_index = 14;//会诊状态所在列            DataGridViewRow row = dataGridView_main.Rows[e.RowIndex];//获取行            DataGridViewCell cell = row.Cells[15];//按钮所在单元格            string status = (row.Cells[status_column_index]).Value.ToString();//每行中的状态所在列            if (status == "1" && cell.GetType() == typeof(DataGridViewButtonCell) && cell.Style.NullValue.ToString() != "报告")//当每行中的状态列不为4时就把此行中的审核按钮替换为文本单元格            {                cell.Style.NullValue = "分诊";            }            if (status == "3" && cell.GetType() == typeof(DataGridViewButtonCell) && cell.Style.NullValue.ToString() != "审核")//当每行中的状态列不为4时就把此行中的审核按钮替换为文本单元格            {                cell.Style.NullValue = "重新分诊";            }        }        #endregion