This can be the least convenient since you need to get an instance of the DataColumn first.
这可能是最不方便的，因为您需要首先获得DataColumn实例。
The following untyped DataSet techniques have various combinations of convenience and performance. First, you can access the value of a column using a DataColumn instance
以下非类型化数据集技术在方便性和性能上有各种组合。
应用推荐