if (adotable1['ram']>'2002-05-09') then ...:ram为时间日期型这样是否成立.该如何处理机.

Question

No.1 不建议
  ShortDateFormat := 'yyyy-mm-dd';
  if ADOTable1.FieldByName('ram').AsString > '2002-05-09' then
    { TODO }No.2 建议//如果是Delphi6建议//StrToDateDef('2002-05-09', 0)
  if ADOTable1.FieldByName('ram').AsDateTime > StrToDate('2002-05-09') then
    { TODO }

Answer 1

No.1 不建议
  ShortDateFormat := 'yyyy-mm-dd';
  if ADOTable1.FieldByName('ram').AsString > '2002-05-09' then
    { TODO }No.2 建议//如果是Delphi6建议//StrToDateDef('2002-05-09', 0)
  if ADOTable1.FieldByName('ram').AsDateTime > StrToDate('2002-05-09') then
    { TODO }

Answer 2

No.1 不建议
  ShortDateFormat := 'yyyy-mm-dd';
  if ADOTable1.FieldByName('ram').AsString > '2002-05-09' then
    { TODO }No.2 建议//如果是Delphi6建议//StrToDateDef('2002-05-09', 0)
  if ADOTable1.FieldByName('ram').AsDateTime > StrToDate('2002-05-09') then
    { TODO }