保存按钮
If Tables("订单明细").Current IsNot Nothing Then
Dim dr As DataRow = DataTables("订单").Find("订单编号='" & Tables("订单明细").Current("订单编号") & "'")
If dr IsNot Nothing Then
dr("总金额") = dr("总金额") + val(e.Form.Controls("TextBox7").text)
dr.save
End If
Tables("订单明细").Current.Save()
DataTables("订单明细").Save()
End If