主题：数组修改不能保存

参考

Dim ls = DataTables("表A").GetValues("第一列")
For i As Integer = 0 To ls.count-1
    output.show(ls(i))
    ls(i) = "abcdefg"
Next

For i As Integer = 0 To ls.count-1
    output.show(ls(i))
Next