query1.ParamByName('P1').asstring:=DATETIMEPICKER1.DATE; 如何写才正确

query1.ParamByName('P1').asstring:=DATETIMEPICKER1.DATE; 怎么写才正确
query1.ParamByName('P1').asstring:=DATETIMEPICKER1.DATE; 怎么写才正确

[解决办法]
哥们,类似不匹配啊.
query1.ParamByName('P1').AsDateTime:=DATETIMEPICKER1.DATE;
或者
query1.ParamByName('P1').AsString:=DateToStr(DATETIMEPICKER1.DATE);
试试

[解决办法]
:=左右两边的类型必须匹配，不匹配怎么赋值啊