BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Newbie on IBO objects and SQL instead of Tables and BDE          BorlandTalk.com Forum Index -> Delphi Databases (SQL Servers) View previous topic :: View next topic   Author Message KIB Guest Posted: Sat Apr 28, 2007 11:33 pm    Post subject: Newbie on IBO objects and SQL instead of Tables and BDE Hello. I'm a bit frustrated over migrating from BDE and dBase to IBObjects and Firebird. Also I'm migrating from Delphi 3 to Delphi 2005 Architect at the same time. I need advise about how to get the first connection in a project with Firebird Example database Employee.fdb. I've downloaded a trial of IBObjects. I need advice on how to use the components and which properties to be filled to get connection. I have a Database component, a Query component, a DataSource and a Grid component (In that order) on my very first form, using Delphi 2005 Architect. I guess that the grid uses the datasource that uses the Query that uses the database component? If so, how do I fill the properties in the components so fx FULL_NAME, JOB_CODE fields in Employee table and JOB_TITLE field in JOB table in Employee.fdb shows up in the grid? Thanks in advance. :) Kai Inge Back to top Aage Johansen Guest Posted: Sun Apr 29, 2007 1:08 am    Post subject: Re: Newbie on IBO objects and SQL instead of Tables and BDE KIB wrote: Quote: Hello. I'm a bit frustrated over migrating from BDE and dBase to IBObjects and Firebird. Also I'm migrating from Delphi 3 to Delphi 2005 Architect at the same time. I need advise about how to get the first connection in a project with Firebird Example database Employee.fdb. I've downloaded a trial of IBObjects. I need advice on how to use the components and which properties to be filled to get connection. I have a Database component, a Query component, a DataSource and a Grid component (In that order) on my very first form, using Delphi 2005 Architect. I guess that the grid uses the datasource that uses the Query that uses the database component? If so, how do I fill the properties in the components so fx FULL_NAME, JOB_CODE fields in Employee table and JOB_TITLE field in JOB table in Employee.fdb shows up in the grid? A Database component may be the easiest way to convert from BDE to IBO, but it would be better to use a connection component and a transaction component. There is an IBO newsgroup (mirrored on news.atkins.com) - see also: http://www.ibphoenix.com/main.nfs?a=ibphoenix&s=1177773057:975427&page=ibp_groups - look for "The IBObjects List". There is also an inexpensive "Getting started guide" at the IBO site. Now, starting with a form with connection (TIB_Connection), transaction (TIB_Transaction), query (TIB_Query), datasource (TIB_DataSource) and grid (TIB_Grid) components (let's call them cnEMP, txEMP, qrEMP, dsEMP and grEMP, resp.): For cnEMP: set server (e.g. localhost), Protocol (choose cpTCP_IP), Path (wherever the database is, or (better) use an alias), username(e.g. SYSDBA) and Loginprompt=true. You can check the DatabaseName property and see that it contains the full server:path to the database. For txEMP: set IB_Connection = cnEMP. For qrEMP: set IB_Connection=cnEMP and IB_Transaction=txEMP. Set the SQL property to (you can also double-click on the component): -------------- select E.FULL_NAME, E.JOB_CODE, J.JOB_TITLE from EMPLOYEE E join JOB J on E.JOB_CODE = J.JOB_CODE and E.JOB_GRADE = J.JOB_GRADE and E.JOB_COUNTRY = J.JOB_COUNTRY -------------- for dsEMP: set Dataset = qrEMP for grEMP: set DataSource = dsEMP This is all untested and I may have forgotten something and gotten something wrong, but I hope you see how the components are connected. Welcome to Fb and IBO. -- Aage J. Back to top KIB Guest Posted: Sun May 06, 2007 6:08 pm    Post subject: Re: Newbie on IBO objects and SQL instead of Tables and BDE On 28 Apr, 22:08, Aage Johansen <aagjo...@offline.no> wrote: Quote: KIB wrote: Hello. I'm a bit frustrated over migrating from BDE and dBase to IBObjects and Firebird. Also I'm migrating from Delphi 3 to Delphi 2005 Architect at the same time. I need advise about how to get the first connection in a project with Firebird Example database Employee.fdb. I've downloaded a trial of IBObjects. I need advice on how to use the components and which properties to be filled to get connection. I have a Database component, a Query component, a DataSource and a Grid component (In that order) on my very first form, using Delphi 2005 Architect. I guess that the grid uses the datasource that uses the Query that uses the database component? If so, how do I fill the properties in the components so fx FULL_NAME, JOB_CODE fields in Employee table and JOB_TITLE field in JOB table in Employee.fdb shows up in the grid? A Database component may be the easiest way to convert from BDE to IBO, but it would be better to use a connection component and a transaction component. There is an IBO newsgroup (mirrored on news.atkins.com) - see also:http://www.ibphoenix.com/main.nfs?a=ibphoenix&s=1177773057:975427&pag... - look for "The IBObjects List". There is also an inexpensive "Getting started guide" at the IBO site. Now, starting with a form with connection (TIB_Connection), transaction (TIB_Transaction), query (TIB_Query), datasource (TIB_DataSource) and grid (TIB_Grid) components (let's call them cnEMP, txEMP, qrEMP, dsEMP and grEMP, resp.): For cnEMP: set server (e.g. localhost), Protocol (choose cpTCP_IP), Path (wherever the database is, or (better) use an alias), username(e.g. SYSDBA) and Loginprompt=true. You can check the DatabaseName property and see that it contains the full server:path to the database. For txEMP: set IB_Connection = cnEMP. For qrEMP: set IB_Connection=cnEMP and IB_Transaction=txEMP. Set the SQL property to (you can also double-click on the component): -------------- select E.FULL_NAME, E.JOB_CODE, J.JOB_TITLE from EMPLOYEE E join JOB J on E.JOB_CODE = J.JOB_CODE and E.JOB_GRADE = J.JOB_GRADE and E.JOB_COUNTRY = J.JOB_COUNTRY -------------- for dsEMP: set Dataset = qrEMP for grEMP: set DataSource = dsEMP This is all untested and I may have forgotten something and gotten something wrong, but I hope you see how the components are connected. Welcome to Fb and IBO. -- Aage J.- Skjul sitert tekst - - Vis sitert tekst - Hello again and thank you for the answer. I have tried your code and after some experimental activities the data showed up in the iboGrid in designtime. When I run the program, however, the grid is empty. When I stop the program and Delphi 2005 Architect returns to design mode the data shows up again in the grid. I do not kwow why, and what I can do to see the data in running mode. Any ideas? :) Kai Inge Back to top Aage Johansen Guest Posted: Mon May 07, 2007 12:30 am    Post subject: Re: Newbie on IBO objects and SQL instead of Tables and BDE KIB wrote: Quote: ... Hello again and thank you for the answer. I have tried your code and after some experimental activities the data showed up in the iboGrid in designtime. When I run the program, however, the grid is empty. When I stop the program and Delphi 2005 Architect returns to design mode the data shows up again in the grid. I do not kwow why, and what I can do to see the data in running mode. Any ideas? Do you (explicitly) open the query at runtime? cnEMP.Connected:=true; qrEMP.Open; Otherwise, ask in the IBO newsgroup. -- Aage J. Back to top KIB Guest Posted: Mon May 07, 2007 2:25 am    Post subject: Re: Newbie on IBO objects and SQL instead of Tables and BDE On 6 Mai, 21:30, Aage Johansen <aagjo...@offline.no> wrote: Quote: KIB wrote: ... Hello again and thank you for the answer. I have tried your code and after some experimental activities the data showed up in the iboGrid in designtime. When I run the program, however, the grid is empty. When I stop the program and Delphi 2005 Architect returns to design mode the data shows up again in the grid. I do not kwow why, and what I can do to see the data in running mode. Any ideas? Do you (explicitly) open the query at runtime? cnEMP.Connected:=true; qrEMP.Open; Otherwise, ask in the IBO newsgroup. -- Aage J. Thank you. That was the detail needed. I believed the designtime settings was still valid at runtime. They used to with Delphi 3 and dBase as far as I remember. 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