Linked Forms- Foreign Key Update
Apr 30, 2006
Hi,
i need help regarding linked forms..
i have a combo box in a form, where one has to select a country for example UK is chosen, then there is a button that when clicked it opens in a pop-up form and displays all the information related to UK.
so there are two tables : Country (CountryNo : primary key) linked to CountryInfo (CountryNo: foreign key) linked with a one- to -many relationship.
my problem is when you have to add new records to the form CountryInfo, how can i make the foreign key update automatically? thus when adding data to CountryInfo, the CountryNo must be the same to the CountryNo in the CountryTable..
any help will be appreciated thanks a lot.
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Sep 22, 2007
Hi there,
I am trying to model my database to create relationships between different tables in my database. During the process of doing so I ended up having one primary key in table A linked with to foreign keys in two different tables ( table B & table C) and both of those two table are junction tables to break out many to many between many other tables
Now for some reason!!! I feel that there is something wrong with my logic mapping and modeling of the relationships between tables due the fact of having one primary key linked to two foreign keys in two different tables :(
Is my intuition is right? should such case be considered as indicative of wrong modeling of relationships between tables in a single database
And if so what is the disadvantages of that link (talking down the road) when the database if fully populated? :confused:
By the way I am new member and new to database, so please take it easy on me :o
Many thanks
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May 14, 2014
I have a linked Excel graph in my form. The process I go though to update them is:
User clicks on button
Excel opens up
Procedure in Excel runs that updates the data and the graphs
Excel Closes
The user does not see any of that. This process works fine. But the linked graph does not actually update in the Access Form. To do that I run the following code:
Code:
Set ctl = Me!OLEUnbound_pream
With ctl
' Enable control.
.Enabled = True
' Set Locked property to False.
.Locked = False
' Set Verb property to activate for editing, but not visible
.Verb = acOLEVerbShow
.Action = acOLEActivate
End With
The problem I get is that once .Action = acOLEActivate is ran, Excel opens. I don't understand why it does that and how do I close it.
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Jul 1, 2007
I've sent a post about this before and got some of the answer from 'Dennisk'- thanks.
I want to replace composite keys with a primary. I've just made an autonumber field on one table for my new primary key and already populated it. On the foreign table ive made a new field with 'number' datatype; this field is empty at the moment.
I'm not sure how to update the foriegn tables new field with the primary tables data. I've saw it before and remember it being easy, just can't remember how to do it.
I obviously want the numbers in the primary key field to relate to the correct records in the foriegn table.
Anyone know what the query is or if there's another way?
Thanks:confused:
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Dec 13, 2013
I have a form that contains the following: Combobox, (Lists BadgeNum from tblPersonnel)
2 Textboxes (LastName, FirstName) populated via code from the combobox using info from the same tblPersonnel.
2 labels (one containing Date, another containing Time)
ToggleOnButton (Valueof 1)
ToggleOffButton (Value of 0)
Savebutton
This form is basically used as a cheap police timeclock. All Im trying to do is when a user chooses their name from the combobox, clicks ON or OFF and then save, is just write the much of the same info to a table. Specifically, BadgeNum, DateIn, TimeIn, DateOut, TimeOut.
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Jun 19, 2013
I basically have an Issue's table and a Customer Table relationship set-up.
I want to information to be viewed in the Customer table however I can only see 1 Issue where as a Customer may have 2 or 3 Issues.
I have come up with inserting the whole table into the form however I don't like this look.
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Dec 16, 2013
i have build a small project using access 2003 and vba code one of the forms contains sub form the main form contain the main data about school and in sub form populate different > textboxes for details about classes my problem is how to fill these text boxes in this sub >form for different grades depending on id of main form and how can i change the values and >moveing first or next buttons these are simple picture
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Feb 7, 2014
I wish to be able to count how many times a primary key is being used in another table. In other words:
I have a Game table that lists a set of games by catalogue number, CatalogueNo. I need to create a way to find out how many times that key has been used in a GameCopy table. In the GameCopy table I create a number of stock items (StockNo) using the CatalogueNo from the Game table.
If I can in some way create a query that simple lists each CatalogueNo with its total number of copies that will suffice. I know it is most likely very simple but I just do not know how to implement it within Access without using VBA.
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May 24, 2014
I am trying to auto populate a form from a table containing CustomerID, CustomerName and PCCID_FK
Now in the form I want to auto populate the field cmbPCC when I update the cmbCustomer
using dlookup I've managed to show it manually
=DLookUp("PCCID_FK","tblCustomer","CustomerName='T est'")
It gives the ID of PCCID_FK which is what I want. how do it I modify the expression to replace the TEST part with a value in a combo box.
or is there a better way of accomplishing this.
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Mar 8, 2014
In a nutshell, I have a form where the 'Record Source' is a table titled 't_02_0_Assets'. I have several fields in the table that have foreign key references that utilize the Lookup Combo Box display control to allow users to select from a drop down list in the form.
The issue I am having is that I can't filter the text in the foreign key fields (only the ID's ).
My attempted solution was to create a control on the form (text box) and bind it to each of the foreign key ID's using the DLookUp function and then reference this control in the filter code.
My question is... how do I reference this DLookUp textbox in my filter VbCode?
I have attached a '.jpg' image of various aspects of the form including the filter code on the 'On Change' event.
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Jun 17, 2014
Trying to use a form based on a table to choose a recordset of values, and pick the ID of that recordset to include in another table as a foreign key.
I am not sure how to even search for what I'm trying to do, though I've tried all the variants I can think of anyway.
The idea being that there are a set of values that are associated with each other, and generally found in conjunction with another set of data. So Table 1 contains data such as this, though this is greatly simplified from the numerics that are actually stored in these fields:
FooID Field 1 Field 2 Field 3 etc, etc...
1 x y z
2 d y z
3 x y q
4 x r P
.
.
.
This data is then associated with the information in table 2, and rather than repeat fields 1-whatever in table 2 I want to use the FooID in table 2 to store the link to all of the subsequent field data. Normalization as I understand it in other words.
I cannot figure out how to pull the table 1 data into a datasheet form and allow someone to choose one of the lines of data, store the FooID into an unbound text box, or some other method, and then run an update query on table 2 to update a field with the FooID for the 12-72 records that are in that table.
Would this make more sense as a combo box in a single form? I've been trying to do this with a datasheet, but I think I'm too limited in appending a check box to an individual recordset this way, or at least I've not managed to get it to work so far anyway.
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Mar 25, 2013
I am having a problem with a filter that i am trying to apply to a subform.
I have a button on the form that when clicked should filter the subform (which is in datasheet view) to the criteria i set.
This criteria will eventually run from a combo box but I wanted to just get the filter working first.
I put the following code into the onclick event of the button:
Items.Form.Filter = "Items.Form.[Master Category] = 2"
Items.Form.FilterOn = True
I chose the criteria 2 for the filter just as a test as I knew there are some records with that value in the master category field.
The problem is when ever i click the button to apply the filter it clears all the data as if it has not found any records with that value.
Is my syntax and method OK? Why its filtering everything out?
The only other thing to consider is that the field I am filtering on was set up using a lookup wizard linked to a table so the values stored are a foreign key (hence the value being 2 rather than something descriptive).
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Aug 8, 2015
I have 7 fields in a listbox (1st is the ID, hidden) from the single table. 3 of these fields are foreign keys. How do I get them to display their related values instead of the foreign key value?
Background:I'm purpose-building my db to essentially track individually cataloged items, somewhat like a library system would. I have four main tables: tblMediaItems, tblUsers, tblTransactions, and tblLocations. Users wills be spending 90% of their time on the Details form for the particular media item record they're viewing.
I'm trying to show an item's transaction history on the main form. I added a listbox (because I liked that compact presentation style) and got the desired fields to show up from tblTransactions. I figured out how to accomplish this for a single column combo box with the wizard, but so far I don't see how I would do this with multiple fields in a listbox.
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Mar 26, 2013
I'm developing a simple sporting records db. I have a 'Competitor' table listing competitors as follows: CompetitorPK, Name, Division, Club. I have a 'Contest' table listing contests as follows: ContestPK, Competitor1_FK, Competitor2_FK, Winner_FK, Score etc. My question is have I modelled tables correctly i.e. CompetitorPK will appear in three columns of Contest table. How do I define this relationship? What alternative is there to what I have done.I intend to use forms to populate both tables (independantly obviously).
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Sep 11, 2014
I am trying to get the Primary Key value from one form to auto-populate the foreign key value of a second form
I have tried the following code in both the second form's Load Event and the Foreign Key Control Got Focus Event but nothing doing...
Me.[NHS Number] = Forms![frm_Patient_Data_Entry]![NHS Number]
I am new to VBA so not sure of the referencing technique but have looked at the MVPS Form 'referencing' sheet to no avail.
I keep getting an error message (2450) MS Access cannot find the referenced form "frm_Patient_Data_Entry"
I have checked spelling throughout countless times so there must be something wrong with my referencing I guess.
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Jan 25, 2015
I'm trying to understand how data is passed using foreign keys.
I'm using Allen Browne's 'Don't use Yes/No fields to store preferences' at: [URL] ....
I've also downloaded his sample DB, RelationBasics, to use as a guide.
Attached is my version of the Student / Sport DB as described on the webpage.
I use 2010 at home (saved as 2003 version) and 2003 at work (JPNSE OS). Both result in the same thing.
The problem I'm having is I cannot get the actual sports to display in the combo-box, only the Sport_ID number.
I've tried building both forms with and without actual data in the TBL_Student & TBL_Sports tables, but no mater what the result is the same.
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Jan 25, 2007
I've been creating a new Access application and I've run into an issue. The form I created has 2 subforms on it. The data is stored on 3 different tables related by the RMAID. The data gathered from this form needs to go into our MRP application. I have linked the necessary MRP tables to my access application. How do I get the date from the form to the tables in our MRP application? The data needs to go to 3 tables from the MRP application. Do I create an append query that's run after the user completes entering the data on the form? Thanks for any help
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Nov 30, 2011
I export data from a system to an excel spreadsheet, which is linked to my database. When I run reports in Access, is there any way to identify when the linked table was last updated? This would be useful to users if I could add a text box that shows "Data current as of" some date.
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Apr 27, 2005
If a front-end database has links to many tables in a back-end database and the back-end is moved, is there an easy way to update all the table links in the front-end in one go, or do you have to set up all the links again one at a time?
Hoping there's a quick way...
Dave
edit: just realised the previous post asks exactly the same thing ( :o ), but that hasn't elicited a solution yet ( :( ).
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Jan 23, 2008
I have set up a table (A) that is linked to another table(B) in my database. This linked table (A) is then used in a number of queries. When the data in the original table (A) is updated it does update the data in the linked table (B) as it should. However, when I run the queries they do not bring up any records. It seems that they are not looking at an updated version of the linked table (A) because if I rebuild the query it finds the records as it should. Any advice on this would be very gratefully received.
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Apr 2, 2006
I have done everything I can think of to remedy this, but I can't figure out why this is happening. I have a linked table from excel that contains 5 fields for each record. I have a table in access with matching records and 20-30 fields. The linked spreadsheet is used when adding records. I have a query that queries both tables to get all data from both and a form based on that query where others can pertinent data for the records resulting from the query. My problem is that when I open the form the new records that were added in the linked file are there but all the fields from the access table cannot be updated. I have looked every place I know to look for record locks, read only options, everything I can think of why i cannot update these records and I am coming up empty. I checked my join properties and selected the only one that actually displays the linked records when the query is run (not sure the name of the join but it's #2 of 3 join properties options (in Access 2002). maybe I am just overlooking something simple? Do you have any ideas what I can do here?
Thanks!
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Apr 6, 2005
I have a form that I have linked (master/child) to a combo box on my main form. I have a requery command for the subform set to the "After Update" event on the combo box. When the combo box is updated originally, the subform updates. However, if the combo box is updated after having a value, the subform does not update.
First off, is the requery command even the right command to use to update the subform? (it's source object is a table) Second, is there a reason it wouldn't work if that is the correct command?
Any ideas?
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Apr 18, 2008
Hi all
I need some code to refresh/update linked tables to a data base in the same folder on startup. Any idea how I can do this??
Thanks
Damo
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Jun 14, 2015
I have a split database ,and I need to update the Table default value of a field.Rather than go into the table I would prefer to use a form.I found this code but it wont work,I presume becouse my data base is split
Private Sub UpdateInvoiceReportNumber_Click()
If Not IsNull(Me.txtDefValue) Then
CurrentDb.TableDefs("PaymentsT").Fields("SelectInv oice").DefaultValue = Me.txtDefValue
MsgBox "Default Value has been changed to " & Me.txtDefValue
[code]...
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Jun 1, 2007
Hello Everyone,
Here is my issue:
1. I have linked a table which does not allow me to update any entries.
2. In this linked table I have to update one column that contains all null values
3. I have another table that contains the values required for that one column in the linked table
When I try running an update query after doing an Inner Join, i get the Operation must use an updateable query error...is there ANY work around at all ? Please let me know . any help would be greatly appreciated.
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Jan 22, 2015
I have an access database with a linked table to an Excel spreadsheet. I have a form based on the linked table so the presentation of the Excel date is better. The spreadsheet is used by other staff in my office to record sales which I need to register with an external organisation. What I want to do is update the spreadsheet with the registration date from my access form rather than going back into excel to do it.
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