请点击此链接：创建自动增量列 [ ^ ]

Follow this link: Creating AutoIncrement Columns[^]

尝试：

Try:

DataTable DTRows = new DataTable();
int x=0;
DTRows.Rows.Add(x++);

DataRowCollection的Add方法添加一个对象，而不是多行。

The Add method of a DataRowCollection adds an object, not a number of rows.