C# 操作Excel 整理

0. 导入命名空间：

using Microsoft.Office.Core;

0.合并竖着的单元格

Range rangeLecture = worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[2,  1]);
                    rangeLecture.Application.DisplayAlerts = false;
                    rangeLecture.Merge(Missing.Value);
                    rangeLecture.Application.DisplayAlerts = true;

1.合并横着的单元格
Range rangeProgram = worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[1, 2]);
                     rangeProgram.Application.DisplayAlerts = false;  
                     rangeProgram.Merge(Missing.Value); 
                     rangeProgram.Application.DisplayAlerts = true;