Message"Could not convert variant of type (Null) into type (String)".
blcr 2014-06-10 10:46:12 各位大侠:我在做一个数据库的程序,用了三个ADOTable: ADOTable->Active = true;还有一个ADOConnection
我在编译时出现下面的对话框:我实在找不出问题出在哪里:请指教!谢谢!
Project aa.exe raised exception clsaa EVariantTypeCastError With Message"Could not convert variant of type (Null) into type (String)".Proces stopped. Use Step or Run to continue