Image Storage And Retrieval
Feb 5, 2008
I am trying to build a database for my digital photo collection.
(having pretty much gven up on the packages I see in the market)
Since most of the images reside on CD's and DVD's, I want to create
and store thumbnails and pointers (ie. location fully qualified name),
rather than a copy of the full image.
1. How do I define the fields in the table for the thumbnail, and the pointer?
2. How can I use the pointer value to retrieve the full image?
Any ideas and tips on where to start?
Thanks,
Roy
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Nov 6, 2006
I am not sure whether this is a problem with MS Access, Visual Basic or Windows.
I have taken over supporting & developing an MS Access 2000 DB for a small charity & am not an Access expert or a programmer. The Application includes processing to create, amend & store retrieve standard letters based on a Word document called MyMerge.doc. The operating systems is Windows XP for the PCs with a MS Server 2003.
Each letter is allocated a number ‘CallID’ which is used to retrieve the letters later. The letter text is in MessageC.
The VB code to store the letters (Save As) is
Dim strTest As String, db As DAO.Database
Dim td As DAO.TableDef
Set db = CurrentDb
For Each td In db.TableDefs
If Len(td.Connect) > 0 Then MessageE = Mid(Left(td.Connect, InStrRev(td.Connect, "") - 1), 11)
GoTo jumpout
Next
jumpout:
MessageC = "%fa" & MessageE & "Db Letters" & MessageC & " " & (CStr(Forms!Contacts![PostalCode])) & " " & Trim(DLookup("[TitleType]", "Title Types", "[TitleTypeID] = Forms!Contacts![TitleTypeID]") & " " & Forms!Contacts![FirstName] & " " & Forms!Contacts![LastName])
objWord.Application.Activate
SendKeys MessageC
The VB code to retrieve the letters is
Dim MessageE As String, db As DAO.Database
Dim td As DAO.TableDef
Set db = CurrentDb
For Each td In db.TableDefs
If Len(td.Connect) > 0 Then MessageE = Mid(Left(td.Connect, InStrRev(td.Connect, "") - 1), 11)
GoTo jumpout
Next
jumpout:
Dim WordApp As Word.Application
Set WordApp = CreateObject("Word.Application")
WordApp.Visible = True
WordApp.Application.Activate
MessageE = "%fo" & MessageE & "Db Letters*" & CallID & "*.doc"
SendKeys MessageE
Set WordApp = Nothing
GoTo Exit_Command53_Click
The success rate varies from PC to PC and user to user. It will work with one letter and not the next. It is very difficult to identify a pattern. When the Save As does not offer the expected name & path, the Application (or operating system?) offers to save ‘MyMerge’ to the user’s My Documents folder.
In that case I tell the users to correct the path themselves and save the document under the CallID. Theoretically, retrieval should work since this uses the CallID and wild cards. Sometimes it does but often it will instead retrieve a document in the user’s My Documents folder. If it does go to the right folder, you sometimes have to replace the last wild card with ‘.doc’. I have tried replacing the last wild card in the VB code with ‘.doc’ but this does not work!
Finally, I alone get the message ‘Save failed due to out of memory or disk space’, neither of which is true. This makes it very difficult to continue investigating the problem. If I use a copy of the DB on my hard drive rather than the network I can save but not retrieve.
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Jan 30, 2006
Hi,
Can someone please help. I am required to bring back a ranadom 10% of data where the [Total_Cost] field is less than £500.
Can this be done in one query? I have to use Access97 becuase this is the lowest Office Version we support.
:confused: .
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Jan 11, 2008
Hi,
I want to retrieve data from 2 columns using only 1 search option. At the moment I have 2 ID fields which contain various numbers. My data retrieval functionality only retrieves data on either one column or the other using 2 search buttons. So for example, if they want to retrieve data on ID column1 they have to click the button named this and if they want to retrieve data on ID column2 they have another button for this. What I want to do is when the user clicks the button I want access to prompt them for an ID number (only want 1 prompt). Once the ID number is input I want access to search both columns for the ID number and return it. Any ideas on how this can be achieved plz?
Thanks
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Apr 19, 2005
I'm very confused. I have two tables in my db that should be the same except for columns(I copied one table from the other). In each I have a "default" entry as the first record in the table just to prevent my select queries from erroring out if they don't find a match for the criteria. When I use the following statement,
Code:SQL="SELECT ID, Name, Picture FROM background WHERE Name ='" & Fname & "' OR Name='Default'"
it returns the default value as the record, not the match for "Name", even though there is one(when I remove the OR Name='Default' it pulls the record).
When I use this query for the other table from the same .asp page,
Code:SQL="SELECT ID, Date_Time, URL, Icon, Title, Description, Status FROM Submission WHERE Technician ='" & Fname & "' OR Technician='Default'"
it returns the record where "Technician" matches even though it is below "default" in the table.
I want the query to return the "default" record only if there is NO match for the first criteria, which it does in the second case, but not the first. Is there some way to force this? Thanks in advance for any assistance provided! -Chris Gordon
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Apr 17, 2008
I am trying to run a Query that searches for a single Tool ID Number and returns the transaction record that has the latest date. My query currently is this:
SELECT LocationStatus.ToolID, LocationStatus.CurrentLocation, LocationStatus.DateofEvent
FROM LocationStatus
WHERE (((LocationStatus.DateofEvent)=(SELECT MAX(dateofevent) FROM [LocationStatus] AS t2 WHERE t2.[ToolID] = [Tool Number])));
But the problem I am having is that the query is returning MULTIPLE Tool ID numbers with matching dates. Before the query runs a parameter box pops up asking for a Tool ID number but there should only be one record returning. HELP!!!:confused::confused:
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Feb 24, 2014
Why I getting an error when trying to run the below code ? If I take out
Me.ClientNameList.Column(1) = rs.Fields("[Tracking Date]") Then . . .
add "And" to
If Me.ClientNameList = rs.Fields("[Client Name]") . . .
I do get a record, but with the wrong date. I need to match the client's name and tracking date, then move the related fields to a MS Access form.
The code follows:
Private Sub ClientNameList_Click()
Dim db As Database
Dim rs As Recordset
Dim i As Integer
Set db = CurrentDb
Set rs = db.OpenRecordset("Progress Tracking")
[Code] .....
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Dec 4, 2014
I have a form that I would like to update a picture on using VBA. The source of the picture path is in part a query that is not bound to the form. So far I have the following code that is pretty much working, but with a couple flaws.
Code:
Private Sub Form_Current()
LoadDefaultPicture
End Sub
Sub LoadDefaultPicture()
Dim db As DAO.Database
[Code] ....
This is working. However, when I change the record the picture flashes the current picture once and then loads the new picture. It is like it reloads the current picture then loads the new one. I'm hoping there is a way to get rid of the flash.
Also, the code fails here:
strDefaultPictureName = rs.Fields("AttachmentName")
When the query does not return a record. I can definitely fix this by adding an if statement to check for a record, but I'm kind of perplexed at why it is failing at that line. I would expect it to assign an empty string to that variable name and then fail on the next command where I try and set the ".Picture" property of the image.
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Mar 1, 2006
Our organization (a University) has been engaged in becoming "paperless."
As part of that initiative, we have spent the past several months scanning several hundred thousand pages of documents relating to building systems (HVAC, e.g.) as well a a massive quantity of detailed lead and asbestos surveys and abatement records.
The initiative is indeed reducing the quanity of paper stored in binders and file cabinets, however now it is becomming evident that retrieving some of that information is a real problem for some folks.
At a meeting this morning a question arose about whether we could develop an Access application to retrieve the documents (which are very logically filed on a network share, but it seems to be beyond the compreshension of some staff how to actually navigate through the maze).
My question is this: has anyone in this forum ever tried to implement such a solution with Access?
Any advice or insight would be very much appreciated.
Thanks in advance.
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Mar 11, 2005
Hi,
I build the WHERE clause in my form's record source dynamically, depending on the context in which the user opens the form. I can't put the WHERE predicates in the record source and refer to fields on another form, as the context will determine which predicates are required. So I have code like this:
Public gf_FormInstance As Form
Dim strSelect as String
:
Set gf_FormInstance = New Form_F_PerformanceSummary
:
gf_FormInstance.RecordSource = strSelect
gf_FormInstance.Refresh
gf_FormInstance.Visible = True
The problem is, the Set statement causes the New form instance to retrieve all records from the existing record source, slowing down the performance.
I'd like to find a trick to suppress the retrieval of records when the Set statement executes, and then allow them to retrieve when the Refresh statement executes.
Any suggestions would be much appreciated.
Thanks,
Keith.
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Aug 31, 2014
I have an entry Form which is used to record prospective new members of a society in a Table named 'Foreigners' in a Membership Database using Access 2010. The entry form also records the name of the 'Interest Group' to which the prospective member is initially affiliated.
On entering this Group Name, selected from a drop down list from the Groups Table, The Group ID & Leader Member ID are automatically recorded.
However, I don't wish to record the Leader Member ID, what I wish to record is the Leader's Member Name which is identified by that ID in the related 'Mail List' Table.
In the Properties sheet the relevant source for this field is shown as Leader, but what is displayed is the Leader ID...
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May 26, 2005
I've read several previous threads regarding this...but could not find an answer:
Is it possible to store a PDF file in a table?
I know that I can store a hyperlink with the path to a PDF file located elsewhere, but I would rather store the file in the database itself.
If it can be done, how do you do it? Are threre drawbacks?
Thank you.
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Feb 6, 2005
Hi all ,
Can anyone tell me about how to embedd image in image control using imagelist.
I added the 5 images in imagelist at design time and added the following code.
image.picture=imagelist.listimages(1).picture
but iam getting error.error no :2110,cannot open the file .
thank u,
Siva
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Jul 6, 2005
(this is a repost )
I will skip the basic intro of "Hi im new to access and i dont know.."
anyways, what I am trying to search for and I dont know what Im looking for is this.
Q1) I would like to be able to open a zip file, read the NFO/txt file from within and import certain areas of the NFO file,the NFO file of course is layed out with ascii art but there is a predetermined area where certain info is obtained. for example: I would like to capture/import the URL, testers name, date avaliable, zip file name.THEN the text imported would be written to the database. It would be nice to figure out how you go about importing certain lines but im not sure how to ask the question and find the answer the right way. ie...(ascii art found here http://www.ascii-art.de/)
-= I did search import text and get text and didnt find what I was looking for=-
Q2) How do I write to an ascii file/nfo/txt using access, there is a template or a layout that is pre done,and i need certain fields filled out, just like they above layout.
thanks for all your help, you guys are awsome, and keep up the good work!
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Mar 2, 2005
I'm new to Access and was wondering what the storage capacity was for a table.
I am presently working with a table that's approx. 70 columns and about 6,000 rows (and growing). Does anyone know at what point I'll be hitting a wall? It's already too big for me to import into Excel (which is another problem).
Thanks
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Aug 30, 2007
I found this page (http://support.microsoft.com/kb/824263) as a pretty good reference for field data types, but there's some things I still want to know.
What's the per-character storage on a Memo and Hyperlink field (ignoring compression)?
Are AutoNumber types (Long, Replication ID) unsigned?
Do null [non-text] fields still use their full capacity?
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Apr 2, 2008
Hi everyone,
I am using a table that stores data and one of the fields is just a text field with a maximum length of 10.
However, when I store the data in the field, if I only enter 5 letters in it, it stores the 5 letter word correctly but followed by some spaces (I assume 5 spaces but I may be wrong.
I cannot figure out why does anyone know why?
If not, then can I trim the field if I use it in a query/report?
Thanks.
Gareth.
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Dec 5, 2004
I am hoping someone can help with the following...
I have a form which calculates values based on (of corse) the info entered on the form and some subforms for example...
here is one of my formulas
=Form!QuiltTypes!QuiltPrice*[TotalInches]
I am assuming that because this is a formula the value will not be saved in the table... or at least its not doing that now.
Can someone tell me how I can move my formula values to my table for storage?
This is my first time here so if you need more info or anything please let me know.
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Oct 26, 2005
hi,
What's the total storage capacity of Access Database
how many records can be saved at Max
how many Tables Can be Created at Max
any idea abt This
thanks for helping
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Aug 9, 2007
Hi
My database is to have a Personnel data area whereby I can store all relevant details for employees within the company.
I plan to incorporate a feature whereby I can alos maintain a history of documentation written and issued including links to the actual documents for that employee during their time with the company.
Has anyone done a similar thing they would be willing to allow me to use?
I figure this would contain links to work documents stored on the hard drive in a specific folder. Selection of a specific item from a historical list - would invoike Word /similar and display the appropriate file...
Any ideas would be gratefully received.
Thank you.
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Aug 24, 2006
hi all,
got a wee problem... i have a number of graphs showing volume (x axis) and pressure (y axis) for particular pipe sizes.... (it's for pneumatic conveying)
depending on the resolution of the hand drawn graph there could be 100's of points along a single graph line (x and y points)....
My program basically needs to select a point(x and y) closest to the graph line that it intersects. (come on mech. engineers)
Problem is how should i store / input the graphs into the db file?
I'm trying to avoid have to literally input every x 'n y point per line per graph... there are about 20 lines per graph and a 100 odd graphs!!!
I was thinking of inputing a start and end point then use some sort of formulae to draw a logical line and pick up all the xy points i need, then store them...
Any thoughts?
Thanks
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Feb 5, 2014
i am busy with creating a access storage database and need to calculate the number of days a vehicle is in storage, i have a [date in] field and a [date out] field. i need to calculate if [date out] is empty to use today otherwise [date out] - [date in]
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Apr 30, 2013
What I have now is an excel template (with ~12 worksheets) that many regional offices use to enter in some lease data, from which the excel sheet creates a rental schedule and does a whole ton of calculations on that data. Some are NPV calculations, some are yields etc etc.Eventually, I would like to:
1) Enable users to fill out one of these templates, and save the data to the database (Just the inputs? All the data? My reading suggests just the inputs)
2) Use the database to produce one of these templates for any lease in our system (shouldn't be hard, from what I've read)
3) Sum up calculations from this template for many records (eg. if a tenant has many leases, what is the NPV of all of those leases, or what is the total NPV for all tenants)
I have the inputs (from Access) I will have no problem using them in the excel version, but does it make sense to use Access given that I may need to somehow be switching back and forth to get the info I want for my various reports? I am very comfortable writing macros in VBA for excel, so if that's the solution, that is no problem. I assume what I need for #1 and #2 is a macro to arrange the inputs from the excel sheet into a format that can easily be dropped into access tables and vice versa.
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Oct 31, 2013
I have a VBA program which is stored in an Access database. The program creates letters using Word template documents as well as new Excel sheets. When one of the users in my team undertakes this process she is unable to create the files (although she could before). The following error message occurs initially for the word documents:
"The document could not be registered word 2010. It will not be possible to create links from other documents to the document"
When I enter debug and attempt to run the code again the file opens but subroutine halts again and I get a different message:
"Could not open Macro storage"
The line of code which is identified for both errors is:
Set wdDoc = wdApp.Documents.Open(TemplateLocation)
Where wdDoc is the a Word.Document, wdApp is a Word.Application and TemplateLocation is the path for the template
I have already checked the following:
- 'Trust access to the VBA project object model' in the Trust centre is ticked and Macro Security is set to none.
- DCOM Server Process Launcher is set to automatic in Services (Local)
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Mar 13, 2014
I have a table with inventory items, a separate table with storage charges per day (ex .03, .04, .05 per day/per item)
I have created some queries where I take the items & # of days they have been in storage and when I try and create an expression for storage charges based upon QTY & # of days I am getting results like it is multiplying whole numbers and not very small increments like .03
I have checked the math, and its not multiplying by 3 instead of .03... I cant quite figure out how it is coming up with the numbers.
Again, the pricing is coming from a lookup wizard to another table. It seems like it should be a very straight forward expression but I cannot get it to work. Does the figures being from a lookup have any issues?
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Oct 6, 2014
I have this database with the purpose to storage all the tasks that are done in my team. I have a table named Tasks with all their fields. Now, I would like to set a more user friendly way for clients to update this table. I have created another table with a list of most common tasks, so when a client wants to add their tasks list they can choose one of this tasks and add it to the list. I had created a form with multiple items that contains the common tasks and next to each task a button that adds the information they choose into the table "Tasks". This works just fine. However, I would like to add a single button at the top to add all the tasks instead of having to choose one after one.
The "Add All tasks" button has this code:
Private Sub Command79_Click()
Dim valSelect As Variant, MyDB As DAO.Database, MyRS As DAO.Recordset
Set MyDB = CurrentDb()
Set MyRS = MyDB.OpenRecordset("Tasks", dbOpenDynaset)
[Code] ....
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