How to use TDateTimePicker
with time format (hour:minute:second)?
I tried this code:
Sql.text:= ('select * from namatabel where namafield between '+quotedstr(formatdatetime('yyyy/mm/dd', datetimepicker1.date))+' and '+quotedstr(formatdatetime('yyyy/mm/dd', datetimepicker2.date))+' and field order by field ASC');
Also this code:
Sql.text:= ('select * from tablename where fieldname between '+quotedstr(formatdatetime('yyyy/mm/dd hh:mm:ss', datetimepicker1.date))+' and '+quotedstr(formatdatetime('yyyy/mm/dd hh:mm:ss', datetimepicker2.date))+' and fieldname order by fieldname ASC');
Also this code:
Sql.text:= ('select * from tablename where fieldname between '+quotedstr(formatdatetime('yyyy/mm/dd hh:mm:ss', datetimepicker1.datetime))+' and '+quotedstr(formatdatetime('yyyy/mm/dd hh:mm:ss', datetimepicker2.datetime))+' and fieldname order by fieldname ASC');
but those wont work, help me to correct them.
I'm using SQLYog against a MySQL database.
UPDATE
@Jens Borrisholt i try this code before, but it doesnt work either
SQL.Add('SELECT meteran.kd_meter as no,kamar.nama,meteran.waktu,meteran.meter '+
'FROM meteran,kamar WHERE kamar.idkamar = meteran.idkamar AND meteran.waktu BETWEEN :tgl1 and :tgl2 and waktu group by waktu asc');
ParamByName('tgl1').AsString:=FormatDateTime('yyyy-mm-dd',DateTimePicker1.DateTime);
ParamByName('tgl2').AsString:=FormatDateTime('yyyy-mm-dd',DateTimePicker2.DateTime); end;
DBGrid2.DataSource.DataSet:=MyQuery2;
Your query is wrong
shortened with data
NOT OK
Sql.text:= 'select * from tablename where fieldname between "2006-06-11"'+
'and "2006-06-19" and fieldname order by fieldname ASC';
OK
Sql.text:= 'select * from tablename where fieldname between "2006-06-11" '+
'and "2006-06-19" order by fieldname ASC';
example valid SQL with data
select * from auktionen where auktionende between '2006-06-11' and '2006-06-19' order by auktionende ASC;
All together with your code. without and waktu
BETWEEN :tgl1 and :tgl2 and waktu
MyQuery2.Close;
MyQuery2.SQL.Text := 'SELECT meteran.kd_meter as no,kamar.nama,meteran.waktu,meteran.meter '+
'FROM meteran,kamar WHERE kamar.idkamar = meteran.idkamar'+
' AND meteran.waktu BETWEEN :tgl1 and :tgl2'+
' group by waktu';
MyQuery2.ParamByName('tgl1').AsString:=FormatDateTime('yyyy-mm-dd',DateTimePicker1.Date);
MyQuery2.ParamByName('tgl2').AsString:=FormatDateTime('yyyy-mm-dd',DateTimePicker2.Date);
DBGrid2.DataSource := DataSource1;
MyQuery2.Open;
I mt sure what is your exact requirement.ill try to help you.
I)If you want to compare the date of the datetimepicker against a date of datetime field in table,
SQL.Add(format('select * from tablename where cast ([my_date_time_var] as date) between %s and %s ' ,[Quotedstr(FormatDateTime('MM/DD/YYYY',(datepicker1.Date))),Quotedstr(FormatDateTime('MM/DD/YYYY',(datepicker2.Date)))]))
II)If you want to compare the date time of the datetimepicker against a date time of datetime field in the table,
SQL.Add(format('select * from tablename where my_date_time_var between %s and %s ' ,[Quotedstr(FormatDateTime('MM/DD/YYYY HH:MM:SS',(datepicker1.DateTime))),Quotedstr(FormatDateTime('MM/DD/YYYY HH:MM:SS',(datepicker2.DateTime)))]));
III)If you want to compare the time of the datetimepicker against a time of datetime field in table,
SQL.Add(format('select * from tablename where cast ([my_date_time_var] as time) between %s and %s ' ,[Quotedstr(FormatDateTime('HH:MM:SS',(datepicker1.time))),Quotedstr(FormatDateTime('HH:MM:SS',(datepicker2.Time)))]))
Please let me know if your requirement is not the same
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