我经常接触到一些csv格式存储的数据文件，把这些文件导入数据库，或者把数据库的数据导出成为excel文件或者csv文件。-I often come into contact with some of the data stored in csv format file, these files into a database, or export the data into the database, excel file or csv file.

excel的导入与导出，实现将数据库的数据一条条导入到excel里-c# lead database into excel