ClientDataSet1保存数据出错的问题
我的保存的代码是
ClientDataSet1.Append;
ClientDataSet1.FieldByName('stu_no').Value:=edit1.Text;
ClientDataSet1.FieldByName('stu_class').Value:=edit2.Text;
ClientDataSet1.FieldByName('stu_score').Value:=edit3.Text;
ClientDataSet1.ApplyUpdates(-1);
出错提示 ClientDataSet1 cannot perform this operation on a closed dataset
问题在那。