BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Changing Crystal Reports (TCrpe VCL) ODBC connections at run          BorlandTalk.com Forum Index -> C++ Builder Databases (SQL Servers) View previous topic :: View next topic   Author Message Andrew Murphy Guest Posted: Thu Dec 21, 2006 8:13 am    Post subject: Changing Crystal Reports (TCrpe VCL) ODBC connections at run I was wondering if anyone else has experience with integrating these two. I'm looking at integrating Crystal Reports XI with a Borland 2006 (C++) application and have downloaded the TCrpe VCL from the Business Objects website. After some fiddling the reports are working, but the problem I have is that the reports are locked in to the ODBC they were designed with. As the application can be configured to connect to different ODBC's (via an ini file), I am wondering if anybody else has achieved this; or if anyone else has discovered an alternative way to integrate with Crystal. The closest thing I can find in TCrpe documentation is the LogOnPrivateInfo method, however this requires an HDBC handle, that appears can only be gained using the now deprecated SQL functions: SQLAllocEnv() and SQLAllocConnect() or the newer SQLAllocHandle() function. As we connect to our database using a TDatabase class, getting an HDBC handle seems to be a problem. Furthermore I am not sure if LogOnPrivateInfo will allow a connection to a different database (ie. not the database that the report was designed with). I would be eternally grateful to anyone who has achieved something similar. Regards Andrew Back to top Andrew Murphy Guest Posted: Thu Dec 21, 2006 8:44 am    Post subject: Re: Changing Crystal Reports (TCrpe VCL) ODBC connections at After some further researching, I am investigating the Crystal RDC dll for VC++, and will give it a try. Any feedback on the problem from those experienced in integrating the two is still welcome though. "Andrew Murphy" <andrewm.news (AT) gmail (DOT) com> wrote in message news:4589ed7d$1 (AT) newsgroups (DOT) borland.com... Quote: I was wondering if anyone else has experience with integrating these two. I'm looking at integrating Crystal Reports XI with a Borland 2006 (C++) application and have downloaded the TCrpe VCL from the Business Objects website. After some fiddling the reports are working, but the problem I have is that the reports are locked in to the ODBC they were designed with. As the application can be configured to connect to different ODBC's (via an ini file), I am wondering if anybody else has achieved this; or if anyone else has discovered an alternative way to integrate with Crystal. The closest thing I can find in TCrpe documentation is the LogOnPrivateInfo method, however this requires an HDBC handle, that appears can only be gained using the now deprecated SQL functions: SQLAllocEnv() and SQLAllocConnect() or the newer SQLAllocHandle() function. As we connect to our database using a TDatabase class, getting an HDBC handle seems to be a problem. Furthermore I am not sure if LogOnPrivateInfo will allow a connection to a different database (ie. not the database that the report was designed with). I would be eternally grateful to anyone who has achieved something similar. Regards Andrew Back to top Arnie Guest Posted: Thu Dec 21, 2006 10:25 pm    Post subject: Re: Changing Crystal Reports (TCrpe VCL) ODBC connections at "Andrew Murphy" <andrewm.news (AT) gmail (DOT) com> wrote in message news:4589ed7d$1 (AT) newsgroups (DOT) borland.com... Quote: I was wondering if anyone else has experience with integrating these two. I'm looking at integrating Crystal Reports XI with a Borland 2006 (C++) application and have downloaded the TCrpe VCL from the Business Objects website. After some fiddling the reports are working, but the problem I have is that the reports are locked in to the ODBC they were designed with. As the application can be configured to connect to different ODBC's (via an ini file), I am wondering if anybody else has achieved this; or if anyone else has discovered an alternative way to integrate with Crystal. The closest thing I can find in TCrpe documentation is the LogOnPrivateInfo method, however this requires an HDBC handle, that appears can only be gained using the now deprecated SQL functions: SQLAllocEnv() and SQLAllocConnect() or the newer SQLAllocHandle() function. As we connect to our database using a TDatabase class, getting an HDBC handle seems to be a problem. Furthermore I am not sure if LogOnPrivateInfo will allow a connection to a different database (ie. not the database that the report was designed with). I would be eternally grateful to anyone who has achieved something similar. Regards Andrew Well, this may not help much. We don't use the VCL component but use the deprecated C API from long ago so my comments can't be directly addressed to TCrpe. We currently support three DB servers; Oracle, SQL Server and DB2. All reports are designed against an Oracle server, using an ODBC system DSN. When a designed report is saved, it holds onto the DSN and probably the login info also. The challenge is to change this information at runtime. In very general terms, we get ahold of the report file using the CRPE API and then change the above mentioned information. This may also include the table owner and for SQL Server, the initial catalog. Unfortunately, I don't know how to do this with TCrpe. We gave up on the VCL control long ago. Sorry I can't be more helpful. - Arnie Back to top Frank Fulton Guest Posted: Fri Dec 22, 2006 11:48 pm    Post subject: Re: Changing Crystal Reports (TCrpe VCL) ODBC connections at I just recently did a Borland BDS2006 and Crystal Report XI project I used ADO and Universal Data Link Files, when the DataBase Source changes I just change the .udl to connect. Good Luck "Andrew Murphy" <andrewm.news (AT) gmail (DOT) com> wrote in message news:4589ed7d$1 (AT) newsgroups (DOT) borland.com... Quote: I was wondering if anyone else has experience with integrating these two. I'm looking at integrating Crystal Reports XI with a Borland 2006 (C++) application and have downloaded the TCrpe VCL from the Business Objects website. After some fiddling the reports are working, but the problem I have is that the reports are locked in to the ODBC they were designed with. As the application can be configured to connect to different ODBC's (via an ini file), I am wondering if anybody else has achieved this; or if anyone else has discovered an alternative way to integrate with Crystal. The closest thing I can find in TCrpe documentation is the LogOnPrivateInfo method, however this requires an HDBC handle, that appears can only be gained using the now deprecated SQL functions: SQLAllocEnv() and SQLAllocConnect() or the newer SQLAllocHandle() function. As we connect to our database using a TDatabase class, getting an HDBC handle seems to be a problem. Furthermore I am not sure if LogOnPrivateInfo will allow a connection to a different database (ie. not the database that the report was designed with). I would be eternally grateful to anyone who has achieved something similar. 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