Table In Access2007 DB Gets Overwritten When Updated?
Nov 6, 2011
I'm trying to access 2 tables within the same DB in Access 2007, but I have a problem when saving information to one of the tables, I can do it with one table but when I try to save the information to the second table the data gets overwritten, not sure why, because I use the same procedure for both of them, just changing the variables to avoid mixed data, this is the code that I use to connect with the DB and fill the DataSet:
Try
dbProvider = "PROVIDER=Microsoft.ACE.OLEDB.12.0;"
dbSource = "Data Source=.\Almacen.accdb;Jet OleDB:Database Password=Slackware"
[code].....
Again, it works fine when saving info to one table, but using the exact same procedure (with different variables) saves the new data but overwrites the previous information
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May 7, 2011
I am trying to load a text file into an Access 2007 table. I know you can read the file line by line and then create a record out of each line. i was trying to see if this could be done with an INSERT INTO rather than cyclying through all lines of text. My text file is not character delimited but rather by fixed column width. For example:[code]The data in the example has spaces for readability but in reality the data are clumped together like so [code]I cant figure out how to tell the command how the data is structured. I know you can use a schema file but there's got to be a way to do this all through code.
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Mar 15, 2012
[Code]...
The table is not getting updated.
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Dec 14, 2009
I am trying to update a table using LinQ. Though records are getting inserted, for some reason they are not getting updated.what can be possible problem
Dim db as new empDataContext
Dim emptable as new employee
if update then[code].....
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Oct 13, 2011
I am getting an incorrect repsonse after an update to a table. In my RowUpdating event I have the following code which builds an Update Parameter to call an SP to update a table. I must be doing something wrong but everything runs fine. My rowsAffected variable reports 1 after the update, but the table never gets the data.[code]I found a solution that is working. On the original DataSource for the update command I needed to add the following.[code]This in essence allows the original data source to call the SP. Note: that the command type needs to stay as TEXT not Stored Procedure as one might think.
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Mar 17, 2009
since I still use VB6 and the code is in VB8, I can't find the solution.The sub below is executed in a button's click event, and is supposed to save data to his database. It seems to work fine : you can add persons (in a separate form), and see them appear in the datagrid. You can stop the program, go back to the VB editor, and run it again (without rebuild), and the previously added persons will still be visible in the datagrid. But...If you add some persons, then go to the editor and force a rebuild (for example by adding more code), and than run the code again, the the previously added persons are gone (nomore visible in datagrid)!To me, it seems that the problem is to effectively update the database. I have searched on the internet about this topic, and I read that you must "set" the UpdateCommand.
[Code]....
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Jun 26, 2009
I want to update a date field in my table when a record is updated to reflect when the last update was made. I have this for the parameter: objEXTCommand.Parameters.AddWithValue("@entryDate", Now.Date)
However, this inserts the Date and a time of "12:00:00". I want the date and current system time. I've gone about several ways, but none seem to work. I try this: [Code]
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Jul 1, 2009
part of my code is in below
[Code]...
I would expect to see the path.Path include the new record, however, I also notice that tempnextgen also include the new record. Can anyone help me out on this issue? Why the tempnextgen got updated as well, how to prevent this unexpected operation?
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Feb 7, 2011
I have some conditionals in my InitializeComponent which affect the layout based on some variables. Unfortunately, it seems like whenever I rebuild my application, this code is reverted back to its previous state. Is this code being regenerated based on the Designer interface? Is there a way to prevent it from doing this?
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Jun 8, 2012
I have two tables:
table1
case_no flow result
tc_1 001 pass
tc_1 002 pass
tc_1 003 pass
tc_2 001 pass
tc_2 002 fail
tc_2 003 pass
table2"
case_no result
tc_1 pass
tc_2 fail
Table2 should be updates from table based on the results... If all results is PASS then the table2 should be updated as pass... if any result is FAIL then the entire case_no should be updates a s fail..
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Sep 28, 2009
I would like to know the best, or standard, way to accomplish real-time client updates in a small multi-user application using an access data table as a data source.Specifically, this application will be used by 3-4 people. It uses a datatable which is filled on form load and bound to a datagrid at design time. The datatable is stored on a shared drive. The data table on the shared drive is updated in two ways:
1) Users can update the datagrid which then updates the datatable on the shared drive via the data adapter's Update method.
2) A server application does some work on some text files, periodically updating the data table.
I need the clients to reflect the changes to the data table on the shared drive as closely to real-time as possible. I know that the data table stored in memory on the client is disconnected from the data table on the shared drive, so I must query again to get the updates.
1) Is there an alternvative model I can use which is connected, and which will automatically reflect the updates in the data table on the shared drive?
2) If not, what is the best way to check for changes in the data table (so I can know when to call the data adapter fill method)? I am planning to poll the drive for a change to the .mdb file, raise an event and then fill the data adapter when the event is triggered. I am using this method successfully now to check for changes to a text file in another application, and I know how to implement it?
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Sep 28, 2009
I would like to know the best, or standard, way to accomplish real-time client updates in a small multi-user application using an access data table as a data source.
Specifically, this application will be used by 3-4 people. It uses a datatable which is filled on form load and bound to a datagrid at design time. The datatable is stored on a shared drive. The data table on the shared drive is updated in two ways:
1) Users can update the datagrid which then updates the datatable on the shared drive via the data adapter's Update method.
2) A server application does some work on some text files, periodically updating the data table.
I need the clients to reflect the changes to the data table on the shared drive as closely to real-time as possible. I know that the data table stored in memory on the client is disconnected from the data table on the shared drive, so I must query again to get the updates.
I have two questions:
1) Is there an alternvative model I can use which is connected, and which will automatically reflect the updates in the data table on the shared drive?
2) If not, what is the best way to check for changes in the data table (so I can know when to call the data adapter fill method)? I am planning to poll the drive for a change to the .mdb file, raise an event and then fill the data adapter when the event is triggered. I am using this method successfully now to check for changes to a text file in another application, and I know how to implement it
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Sep 14, 2009
How to check if a file can be overwritten? Currently I have a problem with files that are
1. In use
2. In a folder where I don't have permissions to edit them
3. Read Only
How to check (check, not overwrite) if a file can be overwritten?
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Feb 15, 2011
What's happening is that the data is always being overwrited. I mean there is only one row which is constantly being overwrited
Public Class Form1
Private Sub UpdateTable(ByVal Details As String())
Dim DataSet As New LoginServerDataSet
Dim Adapter As New LoginServerDataSetTableAdapters.DetailsTableAdapter
Dim Manager As New LoginServerDataSetTableAdapters.TableAdapterManager
[Code] .....
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May 16, 2012
I've rendered a simple rectangle for the background and a bunch of star polygons randomly placed across the form. On the form is a picturebox component which I can move around, but for some reason it overwrites the background and stars when it passes over them. Could someone please explain what is going on there? I've tried performing searches, but have been unsuccessful in finding anything useful.
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Feb 12, 2007
is there a way to keep the settings stored in My.Settings from being "reset" during an upgrade installation? Every time I put out a new build of any application using My.Settings the settings in My.Settings are reset to whatever they are in the visual studio designer.
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Jul 3, 2010
I have make a Tabbed webbrowser. Browser is working fine. but when ever I navigate a page titles of tabs does not changed but overwritten as shown in picture there is on second Tab Text is overwritten. I am using this code for tab title
tabs_bowsers.SelectedTab.Text = CType
(tabs_bowsers.SelectedTab.Controls.Item(0),
ExtendedWebBrowser).DocumentTitle
And this for window title
Me.Text = CType(tabs_bowsers.SelectedTab.Controls.Item(0), ExtendedWebBrowser).DocumentTitle & " - My Browser"
I want to make my tabs to change title as in firefox titles changed, no overwritten.
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Aug 11, 2011
I want to try VB.net and i want to know if the forms in Access 2007 can be imported to VB.net?
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Oct 15, 2011
How to find index in vb.net when connected with ms-access2007:)
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Oct 12, 2011
I use a Vb 2008. I make connection with DB Ms Access2007. it show me this error couldn't find....... DBthen I change the DB Ms Access2007 to MS Access2003, and it works very well
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Jan 6, 2011
I am a beginner in VB and I have a school project using VB 2008. I created a save button in vb but it cant save to Access 2007
Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click
[code].....
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Oct 15, 2011
I am trying to compile my program, and each time i do the access database is outside the executable. I was wondering if it is possible to compile it and the database will be within the executable, or better still how do i make it an installer kind of application that sends all the files to the programes folder on the computer.
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Sep 30, 2011
my vb.net project with MS access2007 database is not working in windows 7 My proj details:
VB.net vs 2008 ,32bit OS
database:MS access2007
My project is working fine with windows vista but in windows7 its not working?It runs in windows 7 but database is not working?
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Sep 12, 2010
i have learned VB 6.0 a few years back, but started out in .NET with this one..Everything went pretty good, until now! I want to write my data from the application to my Access database (Frituur1).i have tried with several methods1:this takes place in my Module1:
Dim newJournaalRow As Frituur1DataSet.JournaalRow
newJournaalRow = frmindex.Frituur1DataSet.Journaal.NewJournaalRow()
newJournaalRow.btw6 = btw6
[code].....
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Nov 2, 2011
We would like to create a client-server architecture application that the server can control all client computers connected to it (e.g shutdown) and we would like to put a security login and a desktop lockeron the clients. The process of the system is that when the clients starts, the desktop is locked and ofcourse the user can't access the desktop unless he/she logged-in. And when the scheduled time (e.g 1 hour) is done, the client computers where automatically shutdown like the Time Logger Softwares
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Nov 8, 2010
I need to make a zipped copy of a spreadsheet I create in xlsx format in Access2007. This needs to follow the creation of the spreadsheet as the path and file name are also created programmatically.
My code at present is:
[Code]...
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Feb 10, 2009
I need to create an application, which it connects to a IBM AS400 ATL to query LTO3 tapes that have expired and to be returned back to the datacentre. Tapes that have data written on them and not expired will need to be sent to an offsite location. Even if not an application, possible a script to do so.A email from the server will report the tapes require to go offsite and which tapes came be returned which can be overwritten with data again.
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Oct 21, 2009
I load a DataGridView (VB.Net, VS2005) using the code below. The save logic works fine for manual edits oh the cells.However, I run some code that updates a Status column in every row then I call the same Save logic. All rows execpt the first row are updated! I am updating the Datasource (dvCerts)Ah.... I just tried changing the CurrentCell to 1,0 instead of 0,0 and now the data saves OK.
Load_...
daCerts.SelectCommand = New SqlCommand("SELECT * FROM PERP_ARB_Certificates", conPERP)
Dim cmdBldr As New SqlCommandBuilder(daCerts) ' used for grid save
[code].....
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Sep 22, 2010
as os are being updated does windows updates the api also ?is yes what are the new windows api provided by microsoft and their documentation for windows 7
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Jul 21, 2010
I have a picturebox that is supposed to grab an image from the clipboard, which contains the latest image captured from a webcam. Portion of the codes are as follows:[code]...
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