DataTables("FRID标签").removefor("商品条码 = '" & e.Form.Controls("商品条码").Value & "'")
Dim lst As List(of DataRow) = DataTables("FRID标签").AppendLoad("商品条码 = '" & e.Form.Controls("商品条码").Value & "'")
If lst.count > 0
With Tables("FRID标签")
Dim r As Integer
r = .FindRow(lst(0)) '从 第一行开始查找
If r >= 0 Then '如果找到的话
.Position = r '定位到找到的行.
End If
End With
End If
If lst.count = 0
For i As Integer = 1 To e.form.controls("TextBox1").value
Dim dr As Row = Tables("FRID标签").addnew '加到对应表
dr("商品条码")= e.Form.Controls("商品条码").Value '表对应ComboBox4'
Next
End If
这样吗