主题：[求助]只要小数点前两位不要四舍五入怎么设置呢？

If e.DataCol.Name = "原价" OrElse e.DataCol.Name = "折扣" Then
    If e.DataRow.IsNull("原价") = False AndAlso e.DataRow.IsNull("折扣") = False Then
        Dim s As String = CStr(e.DataRow("原价")*e.DataRow("折扣"))
        Dim s1 As String
        Dim i As Integer = Instr(s,".")
        s1 = s.SubString(0,i)
        s = s1 & Left(s.SubString(i),2)
        e.DataRow("打折后金额") = CDbl(s)
    End If
End If