C#操作ExceL文件怎么删除指定行

using Excel = Microsoft.Office.Interop.Excel;
using Microsoft.Office.Interop.Excel;

_Workbook n_wb = nwb.Add(strPath);
Sheets sh = n_wb.Sheets;
_Worksheet _wshGL = (_Worksheet)sh.get_Item(1);
Excel.Range rng;
rng = (Excel.Range)_wshGL.Rows["1:1", Type.Missing];
rng.EntireRow.Delete(XlDeleteShiftDirection.xlShiftUp);
//删除第一行

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