为什么不能赋值了?DEBUG时看到的有值,但就是赋不进去下面两行都不行cBqje := DBNumberEditEh3.Value;cBqje := DBGridEh2.SumList.SumCollection.Items[2].SumValue;但这一行可以赋值 cXsje := DBGridEh2.SumList.SumCollection.Items[3].SumValue;