循环
for i as integer = 1 to 100
Sheet.Rows.RemoveAt(0)
next
Dim App As New MSExcel.Application
Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open("D:\Report.xls")
Dim Ws As MSExcel.WorkSheet = Wb.WorkSheets(1)
Dim Rg As MSExcel.Range = Ws.Rows("1:3")'选定多行
Rg.Delete(MSExcel.XlDirection.xlUp) '下面的单元格上移
Rg = Ws.Columns("D:F") '选定多列
Rg.Delete(MSExcel.XlDirection.xlToLeft) '右面的单元格左移
App.Visible = True