您使用NewRow创建具有相同列的行。要真正将其放入数据表，必须要做的

You use the NewRow to create a row with the same columns. To actually get it into the DataTable, you've got to do

myDataTable.Rows.InsertAt(myDataRow, 0);

其中0是要插入索引的位置。

Where 0 is the index you want to insert it at.