可以参考Spire.XLS for .NET关于数据导入导出的方法。
excel数据导入dataset如下代码:
'创建Workbook对象并加载Excel文档
Dim workbook As New Workbook()
workbook.LoadFromFile("F:\ExportData.xlsx", ExcelVersion.Version2013)
'获取第一张sheet
Dim sheet As Worksheet = workbook.Worksheets(0)
'设置range范围
Dim range As CellRange = sheet.Range(sheet.FirstRow, sheet.FirstColumn, sheet.LastRow, sheet.LastColumn)
'输出数据, 同时输出列名以及公式值
Dim dt As DataTable = sheet.ExportDataTable(range, True, True)