Splitting Database And Use Runtime For Accessibility
Nov 24, 2014
I'm in the middle of developing a database for our engineering group to track projects. I've got a question:
I'm using Runtime because none of our group has MS Access loaded on their system. So, I'm providing a link to the participant to download the free Runtime Software and providing a Shortcut to the database in the shared area.
My question is, when I split the database and provide the users with the front end do they still require runtime? Do I still provide them the link to download the free Runtime software and if so, do I save both the back and front end with the .accdr extension? I'm assuming that since they will have the front end on their systems individually they will no longer require the Shortcut.
The way the system is currently, it seems that only one user is permitted in the database at a time as it is locked out. I would like for more than one user to be able to access the database at a time. I've set the Default Open Mode to Shared so I'm not sure why it gets locked down when a user is accessing it.
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Oct 28, 2014
I have a multi-user database. I would like based on the logged-in user, some buttons and controls in different forms be disabled and the others be enabled.
There is a login form that gets the username; I made also a function to define authorities for users in it.
My plan is that when user enters to the database, on load of the main menu the function calls and disables the defined controls in different forms. I tried to use this kind of codes:
Function User_1()
[Forms]![frmMainMenu].[cmdUpdateDatabase].Enabled = False
[Forms]![frmChooseReports]![cmdOrdersFollowUpReports].Enabled = False
End Function
Function User_2()
[Forms]![frmMainMenu].[cmdChooseCharts].Enabled = False
End Function
But this code only works for the forms that are opened at the moment and if one of them is closed the system gives Error.
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Aug 11, 2005
I am trying to split my database but when i run the database splitter it comes up with the following error messages:
Subscript out of range
And
Invalid procedure call or arguement
Does anyone have any ideas what could be causing these or how to fix it?
Thanks
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Sep 10, 2005
Hi
How can I change the location of the back end part, at the moment the front end is looking for the back end at a different location
Cheers
Bikeboardsurf
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Aug 21, 2006
Hi,
I have been searching for more info on this and found out quite a lot about it; however, I am still wondering how to connect the front ends that will be in different machines to the back end that resides on server.
I know that when you split a database, the wizard asks where to save the first front end. But how about if you have many?
Any help will be very much appreciated.
B
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Mar 14, 2007
i thank all for helping with the issue of mulitple users. after i did the splitthe database using the wizard. i noticed the tables lookes diiferent. but how do i put the front ends for users in their document since am on a thin client enviromemt. or
how do i transfer the front from the end. do i have to write codes??
thanks
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Jun 21, 2007
Hi. I would like to split my database which is used by various people on a shared drive.
Is it possible to specify a relative path to the linked tables in the back end?
Otherwise, if people access the shared drive via different drive letters, it fails.
Also, I like to keep a copy of the database myself. With absolute paths to the back end tables, I can't simply copy both sections from one place to another - as the links fail.
Thanks.
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Apr 1, 2005
I recently decided to split my database into a front end/back end environment. What I noticed though was a huge slow down in performance. One subform in particular takes 5-8 seconds to load, as opposed to less than a second before the split.
I know that splitting the database comes highly recommended in this forum, but the slowness is unacceptable. I especially want to split the database so I can execute changes quicker.
By the way, I have read several threads that recommend turning off the name autocorrect feature. I did this in the front and back end but did not notice a diference. I also compact/repair the database regularly.
The other thing I tried was creating an MDE file, as I was told they run quicker. Unfortunately, I am told by Access that it cannot be created. I believe from what I have read that I have too many forms that have attached modules.
For now, I am going to merge the database back into one file. But if anyone could offer some advise, I would like to pursue a split again.
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Sep 14, 2005
I split a database and created a backend but now I dont need it and I accidentally deleted the backend while I was updating the file folder and it was on the network so it's gone for good.
Is there a way to reverse splitting a database so it no longer requires the back end?
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Sep 1, 2007
I have a split database - frontend and back end sitting on a server. If there are only going to be absolute maximum 4 people using this database at a time - is there any good reason for it to remain split.
The reason I ask is that a few people may want to "take it home" to work on it and being non-computer savvy people have a lot of trouble re the concept of linking the front end to the back end.
How do you unsplit a database?
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Sep 2, 2012
I have a database (already splitted in FE/BE) which Clients use on site.Part of the service we offer is Outsourcing: We do all the capturing and when they login on their side, it downloads the latest BE file for them to use "Read-Only".
However we added a new module in which half of the data on a particular table needs to be completed by the Client.So we need for the table to be splitted in such a way that they can capture their info on the form and when we log in on our side, it has to download the data they entered in the same way as when they login and download the data we captured.
Was thinking about adding a 3rd database file to the mix with just one table and in some way link that table to the existing table for the new module. But the intermediate link I created is not updateble.
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Sep 29, 2011
I've recently downloaded the Goods template database from Microsoft [URL]. It's basically a inventory, invoice, purchase order system and is enough to fulfill my office needs. However, I seem to be running into an issue when I'm trying to split the database using the built in tool.
The "the database cannot be opened because vba project contained in it cannot be read..." error pops up when I click on "Access Database" button in an attempt to split the database. I also tried to do it manually, but noticed that none of the queries and most of the forms don't show up on the list when I'm trying to import queries, forms, etc.
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Jan 21, 2007
Hello.
I have spent the last couple of hours looking through the forums but have managed to get myself really confused. Lots of questions, sorry - if anyone can point me in the right direction with one or two of them, I would be hugely grateful!
I have a database in a shared folder on the network at work. It is due to start being used by users other than myself in future weeks, and I see here that it's sensible to split things into a FE and a BE.
1. My initial problem is that I have a nagging memory of being told that we're not supposed to save anything on the individual computers hard drives. Can a split leave both the BE and the various copies of the FE on the shared drive, or does this negate the reasons for splitting in the first place?
2. Additionally, with little space left on the shared drive itself, it's possible we'll not have the room to put 10+ copies of the FE on it anyway. If I just split the database into the BE and ONE copy of the FE which everyone accesses, will the BE at least be made more secure by the split, even if the FE is still vulnerable, and performance isn't improved?
3. If no sort of split is possible, are there any alternatives to splitting?
Lastly, some questions for if we ARE able to split and put the FE on each computer:
(I would be keeping the BE and the "master" version of the FE on the shared drive. All tables in the BE and queries, reports and forms for the "user interface" in the FE. Hopefully this is roughly what I'm supposed to do).
4. With a split database, what happens with compacting? Presumably the BE of the database can be compacted as normal, but what happens with all the versions of the FE? Does each user have to be responsible for compacting them individually? Does an FE even need compacting if the design is unchanged?
5. Does splitting affect what happens if two people either open or amend a record at the same time, or is that still just governed by the record locks setting in Tools (which would need to be set before splitting presumably)?
6. If the design of the FE changes (but none of the underlying tables, queries etc. are touched), do I just give each user a copy of the new version, or does something more complicated have to happen (ie. does the whole splitting process have to take place again)? What about if new tables are added to the BE, or if existing tables / queries are amended? Can I just issue amended versions of the FE that interacts with the new tables as needed?
7. I have drop down lists and combo boxs in the forms in the FE that use tables to populate them. Will it cause problems that these tables are in the BE - such as impractical amounts of time before combo boxs show their options? (The table has to be in the BE (I think?) because the user updates the content of these tables / combo boxs through one of the other forms in the FE)
Many, many, many thanks if anyone can help me out with any of these.
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Dec 19, 2013
I split a database (without first making a copy of it) on my local machine and put the front end on a shared network drive. now no one can open any of the forms since the back end is on my machine.
is there a way to undo this or to split the database on the network drive so that users can get in?
i want to avoid having to redo the database from the ground up.
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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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Feb 15, 2013
I have created a db for a nonprofit counseling org. I had created the first half, mostly administrative tasks, called Phase1, and put the BE on a network drive and the FE on multiple users. Now in developing the clinical portion, Phase2, I linked to four of the tables in Phase1 BE file.
Now I tried to split Phase2 the same way as Phase1 and got an error "Subscript out of Range". I think because of already having some external links in it. I checked for the file and Access actually created the BE file for the new phase2, all of the tables are in it minus the four I was linking to. But, access didn't create a FE file. The original still has all of the objects, tables and forms etc. My question is; can I link to the tables in the new BE file even though those tables still exist in the original file?
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Apr 7, 2013
In the database I have a main form with subform "frmitinerer" . Using a button on the main form open form "frmrelation." After entering the new daily haul and closing forms refresh the data in the subform "frmitinerer."Code on the button is on click event
Code:
Docmd.openform "frmrelation" acnormal
Me.frmitinerer.requery
All work nice, but when I splitting the database refresh subform not working.
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Mar 6, 2014
I've inherited a rather messy database which and I need to split it in order for us all to be able to enter data at the same time without problems however I get the following message..Index or primary key cannot contain a Null value..It happens at the table that contains the majority of the data (typical) but I cannot understand what could be causing it. I've check Null Primary Key field and removed all of the "required" statuses out of the fields but still no luck.
I tested on a backup database from a couple of days ago and it worked. Only difference is I've added a few bits and bobs since then and 1 field in the table it's stalling on but this field doesn't contain any null values either and I've tried deleting that field in my test database but made no difference.
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Jul 19, 2006
Hello everyone,
I'm trying to import data from our current Database Pro v1.0 DB to an Access DB that I'm creating.
Our DBPRO is essentially a flat-file data entry program. It has a "subform" for history events that isn't actually in it's own table, but all concatenated in a single [History] field.
Basically, when viewed in DBPRO, it's broken into different records, yet it's actually stored as one. DBPRO uses °, ±, □, and 0's to separate the different "fields", but Access can't seem to break it down automatically.
When I export the data to a CSV file, everything else comes through with minimal problems. The [History] field, of course, comes in as a huge block of concatenated records.
I've attached an example of this below. I included only the field in question, ([History]), and the primary key, ([Last Name/Cust]). The first tab in my example is a single record, recently imported. The second tab shows how I need it to be, broken into multiple records.
Is there anyway I can split these records, while maintaining the primary key? It's my goal to have all the other information in one table, and the history records in a separate one.
Thanks so much for your help! I've researched all over, and just can't seem to find a similar problem, or solution. :(
Ben Bolduc
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May 12, 2015
I am attempting to split my Access Database and will upload the back-end portion to a SharePoint site. No matter what I do, I continue to get a "Not a valid file name" error.
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Jan 17, 2007
Hi
Apologies if this has been covered before - I promised I have searched and not found an answer.
I have just purchased the Access Development Extensions so that I can deploy my database's to users without Access. So far, I've managed to create an intallation file fine. Hwever, the database is to be used by multiple people and needs to be split.
If I create the runtime application of the frontend, all of the tables point to the backend on "my computer". I then need to give it to my client who will store the backend on thier server. How do I then make the front end (all locked becuase it's runtime) point to the backend in the new location?
I hope that makes sense.
I'm supposed to be installing this tomorrow, so any help would be much appreciated
Thanks
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Dec 10, 2007
Hello all!!
That error keeps on appearing in my application and no way to sort it out...
The error is the following:
Runtime error 3734: the database has been placed in state by user 'Admin' on machine ... that prevents it from being opened or blocked.
I tried to sort it out by doing:
set db= opendatabase(database,0)
but still appearing the message.
could i solve it by checking if there is an actual opened connection before starting a new one? and in case that that there is an opened one, close that.
Don't know what else to try!!
Thanks in advance
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May 21, 2013
I haven't done any testing yet on splitting the database I'm working on but a question came up today about networking.
This database is going to be used by a few equipment operators to record machine readings on the manufacturing floor. There is a wireless network and we are in the process of confirming that the wireless signal reaches all the areas. The users will be using ruggedized windows tablets to enter the data.
The BE of the split database will reside on a network drive to ensure everyone that needs it will have access and it will be regularly backed up. etc.
Since there is alot of heavy machinery, there may be some spots where connectivity will be weak or non-existent while they are entering their readings.
The question is how will the runtime FE handle it if connectivity is temporarily interrupted?
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Oct 9, 2007
Hi
We have an access database which 3 of us use at work.
All 3 pcs use access runtime to modify the database records
The problem we have is that when you try to open the database with pc3 it just does nothing if pc1 or pc2 has the database open. So we both have to close it and let pc3 open it, then we have to reopen it.
Has anyone else encountered this problem?
The pcs are all configured the same way, are the same model with the same Windows XP Pro image on them.
Help please?
Thanks
Paul
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Sep 30, 2005
Hi
I'm having trouble with my database (Access 2000). I'm trying to export a file into a text file by clicking on a button. Below is the code. Where the code is in bold that is when the runtime error happens.
If i export the code manually by right click on the query > Export then this works, but for some reason by clicking on the button will not work.
Private Sub cmdExport_Click()
Dim sExportFilePath As String
sExportFilePath = DLookup("[DateExportLocation]", "tblSettings", "[ID]=1") ' Path if file to be exported
DoCmd.OpenQuery "qryUpDateTransmissionDateAndTime", acViewNormal, acEdit ' Update dates time
DoCmd.TransferText acExportDelim, "ExportFile", "qryExportFile", sExportFilePath
End Sub
I appreciate your help
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Dec 20, 2006
I create a front end and back end that resides on the lan. Front has everything besides the table which resides on the back end. Front ends table are linked to the backend. I have two computer that i am testing it on. Both of them runs Access 2003 runtime and windows has been update to the latest version, both xp machine aswell.Both has user right to read and write to that directory on the lan. Ldr exist when either of them uses access file. The strange thing is when i run a command to copy some data from one table to another one. one of the machine give me the following error "3027 Cannot Update. database or object is read only". While on the other machine it runs flawless. Another weird thing is if i modified some values in table by using forms it works great on both so i am a bit clueless where the problems is. its seems my problem is copying from one table to another. i dont have problem modyfing one table. Here is the code i use to that halt my ms access database.
Dim dbs As Database, rsProposal As Recordset, TES As String, stdocname As String, stLinkCriteria As String
TES = Me![TESID]
If TES = DLookup("TESID", "Proposals", "TESID =" & "'" & TES & "'") Then
MsgBox "Proposal Already Exists for TES ID: " & vbCrLf & _
" " & TES, vbOKOnly, "Proposal Already Exists"
GoTo Image264_Click_Exit
Else
If MsgBox("Do You Really Want to Create" & vbCrLf & "a New Proposal for TES ID " & vbCrLf & " " & TES & " ?", 289, "Create New Proposal?") = vbOK Then
Set dbs = CurrentDb
Set rsProposal = dbs.OpenRecordset("Proposals")
With rsProposal
.AddNew
![Long_Desc] = Me![Description]
![Short_Desc] = Me![Opportunity]
![Dest_Site] = Me![Install Site]
![TESID] = Me![TESID]
![End_User] = Me![Contractor/Purchaser Name]
![Date_Due] = Me![Proposal Due Date]
![Date_Completed] = Me![Close Date]
![Status] = Me![Status]
.Update
.Close
Set rsProposal = Nothing
dbs.Close
Set dbs = Nothing
End With
stLinkCriteria = "[TESID] = " & "'" & TES & "'"
stdocname = "Form Prop - Detail"
DoCmd.OpenForm stdocname, , , stLinkCriteria
DoCmd.Close acForm, "Form TES - Detail"
End If
End If
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