调试看看是什么值为dgr.Cells [2]。值。

Debug and see what is the value of dgr.Cells[2].Value.

好的，这是单元索引问题，它将是细胞[1]而不是细胞[2]。所以它解决了

Ok, it was cell index problem, it would be Cells[1] itstead of Cells[2]. so it is solved