彬
彬
Unregistered / Unconfirmed
GUEST, unregistred user!
我查找表1的最大日期和datetimepicker比较
query1.close;
query1.sql.clear;
query1.sql.add('select Max(endDate) as endDate from 表1 where VendorID=:id');
query1.parambyname('id'):=edit2.text;
query1.open
if (datetimepicker1.datetime < query1.fiekdbyname('endDate').asdatetime) then behin
application.messagebox('日期和上次相矛盾','错误提示',16);
exit;
end;
query1.close;
query1.sql.clear;
query1.sql.add('select Max(endDate) as endDate from 表1 where VendorID=:id');
query1.parambyname('id'):=edit2.text;
query1.open
if (datetimepicker1.datetime < query1.fiekdbyname('endDate').asdatetime) then behin
application.messagebox('日期和上次相矛盾','错误提示',16);
exit;
end;