BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  How to get WideString type data value from Field          BorlandTalk.com Forum Index -> C++ Builder Databases (InterBase Express) View previous topic :: View next topic   Author Message Emmanuel Guest Posted: Fri Jul 07, 2006 10:40 pm    Post subject: How to get WideString type data value from Field How to get WideString type data value from Field? because Field->AsString will make the data currpt for different OS How can I get the orginal Data by WideString? Back to top JD Guest Posted: Sat Jul 08, 2006 11:30 pm    Post subject: Re: How to get WideString type data value from Field "Emmanuel" <emmanuel (AT) erphk (DOT) com> wrote: Quote: How to get WideString type data value from Field? because Field->AsString will make the data currpt for different OS How can I get the orginal Data by WideString? From the help : DevGuide Developing database applications Converting field values: A TWideStringField will correctly convert using AsVariant, AsString, AsInteger, AsFloat, AsCurrency, AsBCD, AsDateTime, AsSQLTimeStamp, and AsBoolean. Sounds like you haven't correctly defined the field. ~ JD Back to top Emmanuel Guest Posted: Sun Jul 09, 2006 8:11 pm    Post subject: Re: How to get WideString type data value from Field But I am auto create the field by New Field, And in the Interbase using Varchar Unicode, How can I create TWideStringField ? "JD" <nospam (AT) nospam (DOT) com> дÈëÏûÏ¢ÐÂÎÅ:44aff9d3$1 (AT) newsgroups (DOT) borland.com... Quote: "Emmanuel" <emmanuel (AT) erphk (DOT) com> wrote: How to get WideString type data value from Field? because Field->AsString will make the data currpt for different OS How can I get the orginal Data by WideString? From the help : DevGuide Developing database applications Converting field values: A TWideStringField will correctly convert using AsVariant, AsString, AsInteger, AsFloat, AsCurrency, AsBCD, AsDateTime, AsSQLTimeStamp, and AsBoolean. Sounds like you haven't correctly defined the field. ~ JD Back to top Emmanuel Guest Posted: Mon Jul 10, 2006 2:43 pm    Post subject: Re: How to get WideString type data value from Field I define the field is VARCHAR (30) CHARACTER SET UNICODE_FSS COLLATE UNICODE_FSS If I use TWideStringField , there is error : Type mismatch for field Quote: From the help : DevGuide Developing database applications Converting field values: A TWideStringField will correctly convert using AsVariant, AsString, AsInteger, AsFloat, AsCurrency, AsBCD, AsDateTime, AsSQLTimeStamp, and AsBoolean. Sounds like you haven't correctly defined the field. Back to top Emmanuel Guest Posted: Mon Jul 10, 2006 2:46 pm    Post subject: Re: How to get WideString type data value from Field I define the field is VARCHAR (30) CHARACTER SET UNICODE_FSS COLLATE UNICODE_FSS If I use TWideStringField , there is error : Type mismatch for field "XXX", excpecting: WideString actual:String "Emmanuel" <emmanuel (AT) erphk (DOT) com> дÈëÏûÏ¢ÐÂÎÅ:44b22084$1 (AT) newsgroups (DOT) borland.com... Quote: I define the field is VARCHAR (30) CHARACTER SET UNICODE_FSS COLLATE UNICODE_FSS If I use TWideStringField , there is error : Type mismatch for field From the help : DevGuide Developing database applications Converting field values: A TWideStringField will correctly convert using AsVariant, AsString, AsInteger, AsFloat, AsCurrency, AsBCD, AsDateTime, AsSQLTimeStamp, and AsBoolean. Sounds like you haven't correctly defined the field. Back to top Emmanuel Guest Posted: Mon Jul 10, 2006 9:47 pm    Post subject: Re: How to get WideString type data value from Field HELP ME Back to top JD Guest Posted: Tue Jul 11, 2006 7:36 pm    Post subject: Re: How to get WideString type data value from Field I searched the archives: http://www.tamaracka.com/search.htm and found a post by Jeff Overcash where says that IB doesn't support widestrings (including WideStringField) but that was from 2000. I appologize if I mislead you (works great with ADO). Other threads showed that individuals were indeed using UNICODE_FSS successfully as a secondary character set for individual fields (like you are doing). If, for what ever reason, you can always resort to a blob but that would most likely preclude you from using data-aware components with that field. ~ JD Back to top Emmanuel Guest Posted: Sat Sep 02, 2006 8:20 pm    Post subject: Re: How to get WideString type data value from Field UNICODE_FSS cannot solve my problem 1.Unicode should let us can see the same data in different OS,but I found that if I save simlpe Chinese Word or tradition chinese word to Interbase using simple Chinese OS, then when the data read under tradition chinese OS, all the chinese word changed to be irrecognizable. 2. for All Unciode Chinese word Stored in Interbase with UNICODE_FSS ,there is no method get data as unicode, for example, after asString, all unicode will change to ASCII Code Quote: Other threads showed that individuals were indeed using UNICODE_FSS successfully as a secondary character set for individual fields (like you are doing). 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