BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Re: passing date parameter in commandtext          BorlandTalk.com Forum Index -> Delphi Databases (ADO) View previous topic :: View next topic   Author Message David Guest Posted: Wed Dec 24, 2003 3:39 am    Post subject: Re: passing date parameter in commandtext SamiraInStL <samirastl (AT) earthlink (DOT) net> wrote Quote: datas is from Access 2000 and it shows the whole table in my DBGrid. I enter 2 date string in Edit1 and Edit2 control. How do I pass the date parameter to commandtext in AdoDataset ? adodataset.commandtext := 'select id, PayDate from tblPayment where payDate = ' + edit1.text + 'and payDate <=' + edit2.text ; // this does not work Please help somner I am not familiar with Access, but the other SQLs I use require that the date be in mm/dd/yyyy format. Is edit1.text and exit2.text in that format? David Back to top David Guest Posted: Wed Dec 24, 2003 3:40 am    Post subject: Re: passing date parameter in commandtext David <dfm (AT) cmgasia (DOT) com.hk> wrote Quote: SamiraInStL <samirastl (AT) earthlink (DOT) net> wrote in message news:3fe90a18$1 (AT) newsgroups (DOT) borland.com... datas is from Access 2000 and it shows the whole table in my DBGrid. I enter 2 date string in Edit1 and Edit2 control. How do I pass the date parameter to commandtext in AdoDataset ? adodataset.commandtext := 'select id, PayDate from tblPayment where payDate = ' + edit1.text + 'and payDate <=' + edit2.text ; // this does not work Please help somner I am not familiar with Access, but the other SQLs I use require that the date be in mm/dd/yyyy format. Is edit1.text and exit2.text in that format? David Sorry, the dates must be ' delimited as well (I use quotedstr()) Back to top anonymous Guest Posted: Wed Dec 24, 2003 9:44 am    Post subject: Re: passing date parameter in commandtext yes, you must trans the date "Brian Bushay TeamB" <BBushay (AT) Nmpls (DOT) com> wrote Quote: Try it using parameters. That way date conversion will take place in your code and you don't have to worry about the date format the query accepts adodataset.commandtext := 'select id, PayDate from tblPayment where payDate = :date1 'and payDate <= :Date2' // this does not work AdoDataset.parameters.parambyName('Date1') := StrToDate(Edit1.text) AdoDataset.parameters.parambyName('Date2') := StrToDate(Edit2.text) -- Brian Bushay (TeamB) [email]Bbushay (AT) NMPLS (DOT) com[/email] Back to top Alexander Zuev Guest Posted: Wed Dec 24, 2003 2:14 pm    Post subject: Re: passing date parameter in commandtext Quote: datas is from Access 2000 and it shows the whole table in my DBGrid. I enter 2 date string in Edit1 and Edit2 control. How do I pass the date parameter to commandtext in AdoDataset ? adodataset.commandtext := 'select id, PayDate from tblPayment where payDate = ' + edit1.text + 'and payDate <=' + edit2.text ; // this does not work In your case try this way: adodataset.commandtext := 'select id, PayDate from tblPayment where payDate Quote: =" ' + edit1.text + ' " and payDate <= " ' + edit2.text+' " ' ; The better method is: adodataset.commandtext := 'select id, PayDate from tblPayment where payDate Quote: = :PayDate and payDate <= :PayDate ' ; And then assign adodataset's paremeter "PayDate" with needful value. Back to top Benny Joseph Guest Posted: Sat Jan 03, 2004 1:24 pm    Post subject: Re: passing date parameter in commandtext SamiraInStL wrote: Quote: datas is from Access 2000 and it shows the whole table in my DBGrid. I enter 2 date string in Edit1 and Edit2 control. How do I pass the date parameter to commandtext in AdoDataset ? adodataset.commandtext := 'select id, PayDate from tblPayment where payDate = ' + edit1.text + 'and payDate <=' + edit2.text ; // this does not work Please help somner Hi, As everybody suggested using parameter is the best option. But when you use direct assignment I believe that you have to use something like: ADODataset.CommandText := 'Select id, PayDate From tblPayment Where PayDate >= #' + Edit1.Text + '# And PayDate <= #' + Edit2.Text + '#'; And date must be in 'MM/dd/yyyy' format. Regards, Benny Joseph Capital Soft Pvt. Ltd. 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