Connect Program To Database Backend
Jun 16, 2005
Hey guys... I created a reaaaally simple wages calculation program some time ago in VB6. When you click the save button, the records are saved to a .txt file stored in the same directoy as the program itself.
However, I'd like to take this a step further and connect this program with some tables setup in an Access database. I know this has something to do with ADO, right? But not quite sure how to set this up..
Would it be possible to get some guidance on this? If you'd like to see the program, let me know.
Thanks for any input!
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Oct 29, 2007
Hello my helpfull friends,
I am going to build a multi-user database with the tables en queries stored on a server. So I will deploy multiple front ends.
Here is my question:
What is the best way to connect to the BE?
Should I link the backend using the linkingmanager (bound to a recordset) of access 2007
OR
should I interact with the data in the backend using undbound form using a disconnected recordset
OR using SQL
I would prefer the first option because it's the easiest way.
But what do you guys (and girls) recommend?
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Dec 11, 2013
Access 2007, split database, 9 users. I have been able to link the BE tables with the Linked Table Manager. I use the DNS name path because everyone has different drive mappings. I can open my linked tables as a RecordSet and AddNew and Update records. However, I cannot Seek and Edit the linked tables. I understand that I need to open the BE tables directly in order to do this. Now, I can do a connection like this, and it works for me:
Dim dbs As DAO.Database
Set dbs = DBEngine.OpenDatabase("R:DataTask_be.accdb")
But, as I said, everyone has different drive mappings. Therefore, I need to use the Network address instead of a drive letter. I tried this:
Set dbs = DBEngine.OpenDatabase("ServerMyBackEndDataTas k_be.accdb").
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Apr 17, 2006
Hi there,
Thank you for this great site, and a special thanks to all persons here who are giving a big help to newbees as me.
here is my prob:
I have set up some few ASP pages using dreamweaver 8 in wich I put some forms to collect data from users (actually I'm recruting subjects for a scientific research) and teste them on my local host using IIS server and access 2000 database. all things work correctly. My strconnection in my local machin is as follow:
Code:<%' FileName="Connection_ado_conn_string.htm"' Type="ADO" ' DesigntimeType="ADO"' HTTP="true"' Catalog=""' Schema=""MM_connsujets_STRING = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:InetpubwwwrootSujetsRecdbRecruSujets .mdb; Persist Security Info=False"%>
I have found a site (http://www.asphost4free.com) wich host free asp pages. I uploaded my pages but the connection to the data base is no longer working. the host site give this sample of code to get to connect to the data base:
Dim Conn
Set Conn = Server.CreateObject("ADODB.Connection")
strConnection = "DRIVER=Microsoft Access Driver(*.mdb);DBQ=" & Server.MapPath("/USERNAME/db/yourdatabase.mdb")
oConn.Open(strConnection)
....
...
oConn.Close
I have follwed it and I have changed the username and the database name with mine but I can't figure out what to put to replace the .... after oConn.open. I git error this error when I have tryed to connect:
Microsoft VBScript runtime error '800a01a8'
Object required: 'oConn'
/kin2006/Connections/connsujets.asp, line 11
I deleted the oconn but it doesn't help I have tryed many other combination without any success.
Any clue!!
thanks in advance
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Jan 28, 2007
Hi,
I am finishing an Access database for a customer that may want, in a later stage, to have a website(probably ASP) that would connect on the same database. Is that possible? I mean can an Access project on a pc connect to remote database(mdb or SQL server) used by the website?
If so can you give me some quick steps to do so or a good article on it?
Thanks.
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Mar 30, 2007
http://www.rainyjay.com/tapi/tapi.htm
we have a tapi enabled phone and i want to connect it to my pc and allow it to talk freely to my database..
eg.. a customer calls up.. if their phone number exists then display their details in access..
if it doesnt exist then open a new form which lets you add a customer.. etc
anyone had any experience in linking phones to access databases
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Oct 11, 2014
Is there a way to connect access database with a softphone? I have an IP PBX and a soft phone and i need to click on a form and auto dial the contact. My DB contains all the data I need and also PBX.
PBX running asterisk software.
Do i need a module or something like TAPI that call windows dialer (but win dialer use a modem and not Ip phone I guess)..Or something that just wake up voip softphone and paste data?
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Sep 2, 2014
I have been trying to come up with a solution for a problem I am having for a while to no avail. We have a backend database that stores various tables full of data. We then have a custom Excel Ribbon that connects to the database and pulls in the different tables depending on the user selection form the ribbon. Everything is working well on that end. The problem I am running into though is that in the development phase of the ribbon and database we had multiple versions and so there are still some people who are using old versions of the ribbon and therefore not connecting properly to the database. Is there some type of code I can add into the database and ribbon where it checks for a specific version to ensure the user is using the most recent version?
Basically, before any type of query is run to connect to the database the ribbon would have some sort of label on it somewhere and the database would check for that label and if it is correct, the code proceeds and if not a message box appears that tells the user they are not using the most current version of the ribbon and exits the sub?
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Jun 27, 2005
Can anyone suggest a good program that will handle scheduled emails to people in our Access database? I need to send an email automatically to each of our employees on their birthday. I need the program for much more than that but that is what I am working on at this time.
Thank you!
Ben
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Nov 2, 2007
I have been given the responsibility for a database that resides on a company network. The Database has been created by using Access 2000 in Windows XP. There are windows folders fro each team that needs use of the database and within these folders is a macro that loads the form for each team. There is a shortcut folder to the Admin Entrance point wher the actual database and tables_be are located. I have looked at both the properties of both these files and both are Access 2000 databases?
The Database called Database( not my choice of name ) contains all the forms, queries, reports,modules etc and the tables are linked to what seems to be the Admin Entrance point. Unfortunately I am unable to see the full link when using linked table manager. This I presume is the tables located in tables_be. The database table_be contains all the tables.
When trying to store the Autonumbering to the database after corruption using a solution kindly supplied by Pat Hartmann by taking a copy of both the database and table_be and working on these I successfully got the autonumbering working.
What do I need to do to successfully implemting these on the network. I have tried to copy the new files back to the network with the same names and in the same location but am getting error messages when I try access some of the forms.
Unfortuately there is no documentation as to how this database has been constructed hence the long winded post.
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Feb 18, 2008
Im trying to open my database switchboard without having the whole Access program open. Is there a way to have only the database open without the whole program?
Thanks
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Jun 13, 2007
I have a front end and back end database
I have broken the links between the 2 databases
how can I close the backend database using VB from code in the front end database?
I keep getting errors that the DB is not exclusive
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Nov 13, 2007
Hi - I have a front end database that is linked to 2 backend databases. I'd like to add code so that after the splashscreen pops up it checks to see if the front end is linked. If not then asks the user to enter the path for the two backend databases. I need your HELP!!1
Bukaw
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Aug 21, 2006
A client has had a database in operation for about a year. They requested some updates. I have been trying to figure out an easy way to update table structer with out having the client go into the backend and add a field or two.
I wrote an update program, that copies the table from their backend, and copied it to the updated table and tried to copy it back to thier backend, but since it is in a relationship, it won't let me.
Any suggestions?
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Jun 13, 2007
I have a front end and back end database
I have broken the links between the 2 databases
how can I close the backend database using VB from code in the front end database?
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May 12, 2006
How can you stop people editing the data in the backend database from the linked table in the front end?
The back end is passworded but you can still change data manually from the front end.
Can this be stopped?
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Sep 15, 2006
Hi :)
(A2K format, but running on XP, etc)
I have used Microsoft’s Security FAQ and recommendations on this forum and build a split database; secured with one worgroup file for development and one for customers: what is the most appropriate way to upgrade the backend database content (tables mostly) (as the front-end database can just be replaced) at the customers site?
At the customer there is no development workgroup file, so no permissions to change database objects. I would really like to run sql updates from the new FE database. The solution I currently have devised to go around this problem, involves a lot of manual data moving code, to take care of referential integrity etc. However this approach has a higher risk of creating errors and also takes a lot longer time.
Is there something I have misunderstood of the Security FAQ or recommendation on this forum?
Thanx
:)
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Sep 15, 2006
I've created a database to track my client information. I've split it into front end and back end databases. Everything there works fine so far.
I have other co-workers who track their own clients who I will be giving this database to. So we will soon have the same database with completely different data stored in them.
If I want to make changes in the future, I should easily be able to change the front end, get them a copy to install, and all should be well.
But what if I want to make changes to the backend? Like if I decide I want to track some completely new data in a separate table on the backend. I won't have the ability to just go out to the central server and change 1 backend database. There may be 10 identically structured backends on 10 different machines that all need the new table added to them, without effecting their unique data in the existing tables.
So, assuming my explaination made sense, is there a way to make backend changes like I'll need to? Or would I have to go to each backend database and manually make the changes?
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Oct 6, 2004
Hallo everybody
I have an Access databse in which I have devided the tables into backend and frontend by using the Database Splitter wizard.
Then if I create any tables in the frontend Access file then thease tables are visible only in the front end of this system , not from other systems if I put the back end in network.
its ok for some tables , but now I have a table which I have to put in the shared backend , but if I cerate in the front end it is visible only in front end and if I create in backend it is visible only in backend.
how to send a table in the front end to backend after database splitting is over, so that I can access this table from other systems.
if it is possible please help me.
Thank you.
Kiran
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Jun 22, 2006
Hi people,
Does anyone knows the difference between frontend and backend database? I look 4ward to hearing from any database expert.
black85
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Nov 17, 2014
I have a database stored out on a shared drive at my company that multiple users connect to via a front end application that they save on their own hard drives. Recently I have noticed that the back end database keeps getting opened exclusively which prevents other users from being able to access the back-end database. For the life of me I cannot figure out what about the front end opens the back end exclusively and cannot find any plausible solutions I thought I could develop something that could force close a back-end database or disconnect all users from it?
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Sep 6, 2011
I recently added a field to one of the tables in my database. How can I transfer my existing data to the newly restructured backend?
Only 1 table has been changed to add a single new field.
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Nov 25, 2007
Hello all,
I have a back end database that i cannot access at the moment. Is it possible to set the link of the tables for the front end application based on the location that the database will be even though i can't see that location now?
Thank you in advance.
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Mar 12, 2013
I'd like to to import some large oracle tables from a remote server using "DoCmd.TransferDatabase..." on a daily basis. Currently, the system works, but my database is getting quite large (800 Mb) and I'd like to split off the tables to a back end database.
Is there a way to import directly to the back end database? The postings that I've seen seem to imply that one must first import the tables into my front end, then export them into the back end. Does that sound correct?
I'm at home right now, but will give it a try when I get to work. It just seems like there's got to be a more direct way!
Jon Mulder
Department of Water Resources
Red Bluff, CA
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Oct 8, 2012
I have a Ms Access split database where in the backend database grows up very fast and needs to be compressed everyday. I have written a batch script to compact the same and have scheduled it to be run every night. But the script is unable to compress the backend every time since the users tend to leave the application open at the end of the day. Ideally i am looking for a command line script to forcefully close the back end database if open before attempting to compact it.
I searched on web but could not find a command line script for forcefully closing the back end database.
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Mar 18, 2014
I have an Access DB with a form that allows the user to select a new backend database. I can connect to the backend and then .refreshlinks but nothing on the form is updated. I have tried requiring the form but that doesn't do anything. I've tried loads of other things, refresh, recalc etc., but nothing updates the open form.
The only way I have managed to get it to work is to close the form and reopen it, then it shows the data from the newly linked backend database.
While it works, it doesn't look good but also there seems to be some problem with it because eventually it reports an error saying "cannot open any more databases" and when clicking OK comes back with "An error occurred while sending data to the OLE server (the application used to create the object" and a whole bunch of other messages.
I think it might have something to do with the fact that the form has a number of MS graphs open on it, but I'm not sure. Also, I can't track down a particular line of VBA code which causes this error.
how to update a form after changing the backend database.
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