Project dprCompanyMarket.exe raised exception class EACESSViolation with message 'Acess violation at address 004E8BCD in module ' dprCarMarket.exe'. Read of address 00bb2934'. Process stopped.Use step or Run to continue.无能是打开还是关闭该clientdataset控件都会出现如上错误?
对象都创建了吗?