导出excel报错：object 未包含get_range的定义

range = worksheet.get_Range(excel.Cells[2, 1], excel.Cells[rowNumber + 1, columnNumber]);

 换成

range = worksheet.Range[excel.Cells[2, 1], excel.Cells[rowNumber + 1, columnNumber]];

get_Range换成Range，括号换成[]