Dim Book As New XLS.Book(ProjectPath & "data\资料卡.xls")
Dim sheet As XLS.sheet = Book.Sheets(0)
sheet(4,2).Value = Nothing
sheet(4,2).Value = nothing
sheet(5,2).Value = nothing
sheet(4,4).Value = nothing
sheet(5,4).Value = nothing
sheet(6,2).Value = nothing
sheet(6,4).Value = nothing
sheet(7,2).Value = nothing
sheet(8,2).Value = nothing
sheet(8,4).Value = nothing
sheet(9,1).Value = nothing
我这样写代码 怎么清除不了excel的数据,这个excel 是在 浏览器控件中加载的.路径那些我都设置好的