但在运行时回出现:project Project1.exe raised exception class EVariantTypeClassError with message 'could not convert variant of type
(Null) into type (string)'.的提示。但是我一直没找到错误~~怎么回事??
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各位帮帮忙~~谢谢~
我用datasource,DBGRID,ADOTABLE,ADOCONNECTION 连接数据库已经成功~~ 但在运行时回出现:project Project1.exe raised exception class EVariantTypeClassError with message 'could not convert variant of type (Null) into type (string)'.的提示。但是我一直没找到错误~~怎么回事??